德州仪器LM193 LM293 LM393 LM2903电压比较器

LM193-N,LM2903-N,LM293-N,LM393-N

http://m.wendangku.net/doc/a47de898f121dd36a32d8285.html SNOSBJ6E–OCTOBER1999–REVISED MARCH2013 LM193/LM293/LM393/LM2903Low Power Low Offset Voltage Dual Comparators

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FEATURES DESCRIPTION

The LM193series consists of two independent ?Wide Supply

precision voltage comparators with an offset voltage –Voltage Range:2.0V to36V specification as low as 2.0mV max for two

–Single or Dual Supplies:±1.0V to±18V comparators which were designed specifically to

operate from a single power supply over a wide range ?Very Low Supply Current Drain(0.4mA)—

of voltages.Operation from split power supplies is Independent of Supply Voltage

also possible and the low power supply current drain ?Low Input Biasing Current:25nA is independent of the magnitude of the power supply

?Low Input Offset Current:±5nA voltage.These comparators also have a unique

characteristic in that the input common-mode voltage ?Maximum Offset voltage:±3mV

range includes ground,even though operated from a ?Input Common-Mode Voltage Range Includes

single power supply voltage.

Ground

Application areas include limit comparators,simple ?Differential Input Voltage Range Equal to the

analog to digital converters;pulse,squarewave and Power Supply Voltage

time delay generators;wide range VCO;MOS clock ?Low Output Saturation Voltage:250mV at4timers;multivibrators and high voltage digital logic mA gates.The LM193series was designed to directly

interface with TTL and CMOS.When operated from ?Output Voltage Compatible with TTL,DTL,

both plus and minus power supplies,the LM193 ECL,MOS and CMOS logic systems

series will directly interface with MOS logic where ?Available in the8-Bump(12mil)DSBGA their low power drain is a distinct advantage over Package standard comparators.

?See AN-1112(SNVA009)for DSBGA

The LM393and LM2903parts are available in TI’s Considerations

innovative thin DSBGA package with8(12mil)large

bumps.

ADVANTAGES

?High Precision Comparators

?Reduced V OS Drift Over Temperature

?Eliminates Need for Dual Supplies

?Allows Sensing Near Ground

?Compatible with All Forms of Logic

?Power Drain Suitable for Battery Operation

德州仪器LM193 LM293 LM393 LM2903电压比较器

德州仪器LM193 LM293 LM393 LM2903电压比较器

Figure1.Squarewave Oscillator Figure2.Non-Inverting Comparator with

Hysteresis

德州仪器LM193 LM293 LM393 LM2903电压比较器

Please be aware that an important notice concerning availability,standard warranty,and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

LM193-N,LM2903-N,LM293-N,LM393-N

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德州仪器LM193 LM293 LM393 LM2903电压比较器

Figure3.Schematic

德州仪器LM193 LM293 LM393 LM2903电压比较器

德州仪器LM193 LM293 LM393 LM2903电压比较器

Figure4.TO-99Package Figure5.CDIP,PDIP,SOIC Packages

德州仪器LM193 LM293 LM393 LM2903电压比较器

Figure6.DSBGA Top View

德州仪器LM193 LM293 LM393 LM2903电压比较器

These devices have limited built-in ESD protection.The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

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Absolute Maximum Ratings(1)(2)

Supply Voltage,V+36V Differential Input Voltage(3)36V Input Voltage?0.3V to+36V Input Current(V IN

PDIP780mW TO-99660mW SOIC Package510mW DSBGA Package568mW Output Short-Circuit to Ground(6)Continuous Operating Temperature Range

LM3930°C to+70°C LM293?25°C to+85°C LM193/LM193A?55°C to+125°C LM2903?40°C to+85°C Storage Temperature Range?65°C to+150°C Lead Temperature(Soldering,10seconds)+260°C Soldering Information

CDIP,PDIP Package Soldering(10seconds)260°C SOIC Package215°C Vapor Phase(60seconds)

Infrared(15seconds)220°C See AN-450“Surface Mounting Methods and Their Effect on Product Reliability”for other methods of soldering surface mount devices.

ESD rating(1.5kΩin series with100pF)1300V

(1)Refer to RETS193AX for LM193AH military specifications and to RETS193X for LM193H military specifications.

(2)If Military/Aerospace specified devices are required,please contact the TI Sales Office/Distributors for availability and specifications.

(3)Positive excursions of input voltage may exceed the power supply level.As long as the other voltage remains within the common-mode

range,the comparator will provide a proper output state.The low input voltage state must not be less than?0.3V(or0.3V below the magnitude of the negative power supply,if used).

(4)This input current will only exist when the voltage at any of the input leads is driven negative.It is due to the collector-base junction of

the input PNP transistors becoming forward biased and thereby acting as input diode clamps.In addition to this diode action,there is also lateral NPN parasitic transistor action on the IC chip.This transistor action can cause the output voltages of the comparators to go to the V+voltage level(or to ground for a large overdrive)for the time duration that an input is driven negative.This is not destructive and normal output states will re-establish when the input voltage,which was negative,again returns to a value greater than?0.3V. (5)For operating at high temperatures,the LM393and LM2903must be derated based on a125°C maximum junction temperature and a

thermal resistance of170°C/W which applies for the device soldered in a printed circuit board,operating in a still air ambient.The LM193/LM193A/LM293must be derated based on a150°C maximum junction temperature.The low bias dissipation and the“ON-OFF”

characteristic of the outputs keeps the chip dissipation very small(P D≤100mW),provided the output transistors are allowed to saturate.

(6)Short circuits from the output to V+can cause excessive heating and eventual destruction.When considering short circuits to ground,

the maximum output current is approximately20mA independent of the magnitude of V+.

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Electrical Characteristics

(V+=5V,T A=25°C,unless otherwise stated)

LM193A Parameter Test Conditions Units

Min Typ Max

Input Offset Voltage(1) 1.0 2.0mV Input Bias Current I IN(+)or I IN(?)with Output In Linear25100nA

Range,V CM=0V(2)

Input Offset Current I IN(+)?I IN(?)V CM=0V 3.025nA Input Common Mode Voltage Range V+=30V(3)0V+?1.5V Supply Current R L=∞V+=5V0.41mA

V+=36V1 2.5mA Voltage Gain R L≥15kΩ,V+=15V50200V/mV

V O=1V to11V

Large Signal Response Time V IN=TTL Logic Swing,V REF=1.4V300ns

V RL=5V,R L=5.1kΩ

Response Time V RL=5V,R L=5.1kΩ(4) 1.3μs Output Sink Current V IN(?)=1V,V IN(+)=0,V O≈1.5V 6.016mA Saturation Voltage V IN(?)=1V,V IN(+)=0,I SINK≤4mA250400mV Output Leakage Current V IN(?)=0,V IN(+)=1V,V O=5V0.1nA

(1)At output switch point,V O?1.4V,R S=0Ωwith V+from5V to30V;and over the full input common-mode range(0V to V+?1.5V),at25°C.

(2)The direction of the input current is out of the IC due to the PNP input stage.This current is essentially constant,independent of the

state of the output so no loading change exists on the reference or input lines.

(3)The input common-mode voltage or either input signal voltage should not be allowed to go negative by more than0.3V.The upper end

of the common-mode voltage range is V+?1.5V at25°C,but either or both inputs can go to36V without damage,independent of the magnitude of V+.

(4)The response time specified is for a100mV input step with5mV overdrive.For larger overdrive signals300ns can be obtained,see

Typical Performance Characteristics.

Electrical Characteristics

(V+=5V,T A=25°C,unless otherwise stated)

LM193LM293,LM393LM2903 Parameter Test Conditions Units

Min Typ Max Min Typ Max Min Typ Max

Input Offset Voltage(1) 1.0 5.0 1.0 5.0 2.07.0mV Input Bias Current I IN(+)or I IN(?)with Output In251002525025250nA Linear Range,V CM=0V(2)

Input Offset Current I IN(+)?I IN(?)V CM=0V 3.025 5.050 5.050nA Input Common Mode V+=30V(3)0V+?1.50V+?1.50V+?1.5V Voltage Range

Supply Current R L=∞V+=5V0.410.410.4 1.0mA

V+=36V1 2.51 2.51 2.5mA Voltage Gain R L≥15kΩ,V+=15V502005020025100V/mV V O=1V to11V

Large Signal Response V IN=TTL Logic Swing,V REF=1.4V300300300ns Time V RL=5V,R L=5.1kΩ

Response Time V RL=5V,R L=5.1kΩ(4) 1.3 1.3 1.5μs Output Sink Current V IN(?)=1V,V IN(+)=0,V O≤1.5V 6.016 6.016 6.016mA Saturation Voltage V IN(?)=1V,V IN(+)=0,I SINK≤4mA250400250400250400mV Output Leakage Current V IN(?)=0,V IN(+)=1V,V O=5V0.10.10.1nA

(1)At output switch point,V O?1.4V,R S=0Ωwith V+from5V to30V;and over the full input common-mode range(0V to V+?1.5V),at25°C.

(2)The direction of the input current is out of the IC due to the PNP input stage.This current is essentially constant,independent of the

state of the output so no loading change exists on the reference or input lines.

(3)The input common-mode voltage or either input signal voltage should not be allowed to go negative by more than0.3V.The upper end

of the common-mode voltage range is V+?1.5V at25°C,but either or both inputs can go to36V without damage,independent of the magnitude of V+.

(4)The response time specified is for a100mV input step with5mV overdrive.For larger overdrive signals300ns can be obtained,see

Typical Performance Characteristics.

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Electrical Characteristics

(V+=5V)(1)

LM193A Parameter Test Conditions Units

Min Typ Max

Input Offset Voltage(2) 4.0mV Input Offset Current I IN(+)?I IN(?),V CM=0V100nA

Input Bias Current I IN(+)or I IN(?)with Output in Linear Range,

300nA

V CM=0V(3)

Input Common Mode Voltage Range V+=30V(4)0V+?2.0V Saturation Voltage V IN(?)=1V,V IN(+)=0,I SINK≤4mA700mV Output Leakage Current V IN(?)=0,V IN(+)=1V,V O=30V 1.0μA Differential Input Voltage Keep All V IN's≥0V(or V?,if Used),(5)36V (1)These specifications are limited to?55°C≤T A≤+125°C,for the LM193/LM193A.With the LM293all temperature specifications are limited

to?25°C≤T A≤+85°C and the LM393temperature specifications are limited to0°C≤T A≤+70°C.The LM2903is limited to

?40°C≤T A≤+85°C.

(2)At output switch point,V O?1.4V,R S=0Ωwith V+from5V to30V;and over the full input common-mode range(0V to V+?1.5V),at25°C.

(3)The direction of the input current is out of the IC due to the PNP input stage.This current is essentially constant,independent of the

state of the output so no loading change exists on the reference or input lines.

(4)The input common-mode voltage or either input signal voltage should not be allowed to go negative by more than0.3V.The upper end

of the common-mode voltage range is V+?1.5V at25°C,but either or both inputs can go to36V without damage,independent of the magnitude of V+.

(5)Positive excursions of input voltage may exceed the power supply level.As long as the other voltage remains within the common-mode

range,the comparator will provide a proper output state.The low input voltage state must not be less than?0.3V(or0.3V below the magnitude of the negative power supply,if used).

Electrical Characteristics

(V+=5V)(1)

LM193LM293,LM393LM2903 Parameter Test Conditions Units

Min Typ Max Min Typ Max Min Typ Max

Input Offset Voltage(2)99915mV Input Offset Current I IN(+)?I IN(?),V CM=0V10015050200nA Input Bias Current I IN(+)or I IN(?)with Output in Linear300400200500nA Range,V CM=0V

(3)

Input Common Mode V+=30V(4)0V+?2.00V+?2.00V+?2.0V Voltage Range

Saturation Voltage V IN(?)=1V,V IN(+)=0,700700400700mV

I SINK≤4mA

Output Leakage Current V IN(?)=0,V IN(+)=1V,V O=30V 1.0 1.0 1.0μA Differential Input Voltage Keep All V IN's≥0V(or V?,if Used),363636V

(5)

(1)These specifications are limited to?55°C≤T A≤+125°C,for the LM193/LM193A.With the LM293all temperature specifications are limited

to?25°C≤T A≤+85°C and the LM393temperature specifications are limited to0°C≤T A≤+70°C.The LM2903is limited to

?40°C≤T A≤+85°C.

(2)At output switch point,V O?1.4V,R S=0Ωwith V+from5V to30V;and over the full input common-mode range(0V to V+?1.5V),at25°C.

(3)The direction of the input current is out of the IC due to the PNP input stage.This current is essentially constant,independent of the

state of the output so no loading change exists on the reference or input lines.

(4)The input common-mode voltage or either input signal voltage should not be allowed to go negative by more than0.3V.The upper end

of the common-mode voltage range is V+?1.5V at25°C,but either or both inputs can go to36V without damage,independent of the magnitude of V+.

(5)Positive excursions of input voltage may exceed the power supply level.As long as the other voltage remains within the common-mode

range,the comparator will provide a proper output state.The low input voltage state must not be less than?0.3V(or0.3V below the magnitude of the negative power supply,if used).

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Typical Performance Characteristics

LM193/LM293/LM393,LM193A

Supply Current Input Current

德州仪器LM193 LM293 LM393 LM2903电压比较器

德州仪器LM193 LM293 LM393 LM2903电压比较器

Figure 7.

Figure 8.Response Time for Various Input Overdrives—Negative Output Saturation Voltage Transition

德州仪器LM193 LM293 LM393 LM2903电压比较器

德州仪器LM193 LM293 LM393 LM2903电压比较器

Figure 9.Figure 10.

Response Time for Various Input Overdrives—Positive Transition

德州仪器LM193 LM293 LM393 LM2903电压比较器

Figure 11.

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Typical Performance Characteristics

LM2903

Supply Current Input Current

德州仪器LM193 LM293 LM393 LM2903电压比较器

德州仪器LM193 LM293 LM393 LM2903电压比较器

Figure 12.

Figure 13.Response Time for Various Input Overdrives—Negative Output Saturation Voltage Transition

德州仪器LM193 LM293 LM393 LM2903电压比较器

德州仪器LM193 LM293 LM393 LM2903电压比较器

Figure 14.Figure 15.

Response Time for Various Input Overdrives—Positive Transition

德州仪器LM193 LM293 LM393 LM2903电压比较器

Figure 16.

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APPLICATION HINTS

The LM193series are high gain,wide bandwidth devices which,like most comparators,can easily oscillate if the output lead is inadvertently allowed to capacitively couple to the inputs via stray capacitance.This shows up only during the output voltage transition intervals as the comparator change states.Power supply bypassing is not required to solve this problem.Standard PC board layout is helpful as it reduces stray input-output coupling. Reducing the input resistors to<10kΩreduces the feedback signal levels and finally,adding even a small amount(1.0to10mV)of positive feedback(hysteresis)causes such a rapid transition that oscillations due to stray feedback are not possible.Simply socketing the IC and attaching resistors to the pins will cause input-output oscillations during the small transition intervals unless hysteresis is used.If the input signal is a pulse waveform,with relatively fast rise and fall times,hysteresis is not required.

All input pins of any unused comparators should be tied to the negative supply.

The bias network of the LM193series establishes a drain current which is independent of the magnitude of the power supply voltage over the range of from2.0V DC to30V DC.

It is usually unnecessary to use a bypass capacitor across the power supply line.

The differential input voltage may be larger than V+without damaging the device(1).Protection should be provided to prevent the input voltages from going negative more than?0.3V DC(at25°C).An input clamp diode can be used as shown in Typical Applications.

The output of the LM193series is the uncommitted collector of a grounded-emitter NPN output transistor.Many collectors can be tied together to provide an output OR'ing function.An output pull-up resistor can be connected to any available power supply voltage within the permitted supply voltage range and there is no restriction on this voltage due to the magnitude of the voltage which is applied to the V+terminal of the LM193package.The output can also be used as a simple SPST switch to ground(when a pull-up resistor is not used).The amount of current which the output device can sink is limited by the drive available(which is independent of V+)and theβof this device.When the maximum current limit is reached(approximately16mA),the output transistor will come out of saturation and the output voltage will rise very rapidly.The output saturation voltage is limited by the approximately60Ωr SAT of the output transistor.The low offset voltage of the output transistor(1.0mV)allows the output to clamp essentially to ground level for small load currents.

Typical Applications

(V+=5.0V DC)

德州仪器LM193 LM293 LM393 LM2903电压比较器

德州仪器LM193 LM293 LM393 LM2903电压比较器

Figure17.Basic Comparator Figure18.Driving CMOS

(1)Positive excursions of input voltage may exceed the power supply level.As long as the other voltage remains within the common-mode

range,the comparator will provide a proper output state.The low input voltage state must not be less than?0.3V(or0.3V below the magnitude of the negative power supply,if used).

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德州仪器LM193 LM293 LM393 LM2903电压比较器

德州仪器LM193 LM293 LM393 LM2903电压比较器

Figure19.Driving TTL Figure20.Squarewave Oscillator *For large ratios of R1/R2,

D1can be omitted.

德州仪器LM193 LM293 LM393 LM2903电压比较器

德州仪器LM193 LM293 LM393 LM2903电压比较器

Figure21.Pulse Generator Figure22.Crystal Controlled Oscillator

德州仪器LM193 LM293 LM393 LM2903电压比较器

V*=+30V DC

+250mV DC≤V C≤+50V DC

700Hz≤f o≤100kHz

Figure23.Two-Decade High Frequency VCO

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德州仪器LM193 LM293 LM393 LM2903电压比较器

德州仪器LM193 LM293 LM393 LM2903电压比较器

Figure24.Basic Comparator Figure25.Non-Inverting Comparator with

Hysteresis

德州仪器LM193 LM293 LM393 LM2903电压比较器

德州仪器LM193 LM293 LM393 LM2903电压比较器

Figure26.Inverting Comparator with Hysteresis Figure27.Output Strobing

德州仪器LM193 LM293 LM393 LM2903电压比较器

德州仪器LM193 LM293 LM393 LM2903电压比较器

Figure28.AND Gate Figure29.OR Gate

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德州仪器LM193 LM293 LM393 LM2903电压比较器

德州仪器LM193 LM293 LM393 LM2903电压比较器

http://m.wendangku.net/doc/a47de898f121dd36a32d8285.htmlrge Fan-in AND Gate Figure31.Limit Comparator

德州仪器LM193 LM293 LM393 LM2903电压比较器

德州仪器LM193 LM293 LM393 LM2903电压比较器

http://m.wendangku.net/doc/a47de898f121dd36a32d8285.htmlparing Input Voltages of Opposite Figure33.ORing the Outputs

Polarity

德州仪器LM193 LM293 LM393 LM2903电压比较器

德州仪器LM193 LM293 LM393 LM2903电压比较器

Figure34.Zero Crossing Detector(Single Power Figure35.One-Shot Multivibrator

Supply)

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德州仪器LM193 LM293 LM393 LM2903电压比较器

德州仪器LM193 LM293 LM393 LM2903电压比较器

Figure36.Bi-Stable Multivibrator Figure37.One-Shot Multivibrator with Input Lock

Out

德州仪器LM193 LM293 LM393 LM2903电压比较器

德州仪器LM193 LM293 LM393 LM2903电压比较器

Figure38.Zero Crossing Detector http://m.wendangku.net/doc/a47de898f121dd36a32d8285.htmlparator With a Negative Reference

德州仪器LM193 LM293 LM393 LM2903电压比较器

Figure40.Time Delay Generator

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(V+=5.0V DC)

Split-Supply Applications

(V+=+15V DC and V?=?15V DC)

德州仪器LM193 LM293 LM393 LM2903电压比较器

Figure41.MOS Clock Driver

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REVISION HISTORY

Changes from Revision D(March2013)to Revision E Page ?Changed layout of National Data Sheet to TI format (13)

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PACKAGING INFORMATION

德州仪器LM193 LM293 LM393 LM2903电压比较器

Addendum-Page 1

德州仪器LM193 LM293 LM393 LM2903电压比较器

(1) The marketing status values are defined as follows:

ACTIVE: Product device recommended for new designs.

LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.

NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design.

PREVIEW: Device has been announced but is not in production. Samples may or may not be available.

OBSOLETE: TI has discontinued the production of the device.

(2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://m.wendangku.net/doc/a47de898f121dd36a32d8285.html/productcontent for the latest availability information and additional product content details.

TBD: The Pb-Free/Green conversion plan has not been defined.

Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.

Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above.

Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)

(3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature.

(4) There may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device.

(5) Multiple Device Markings will be inside parentheses. Only one Device Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a continuation of the previous line and the two combined represent the entire Device Marking for that device.

Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and

Addendum-Page 2

continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release.

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Addendum-Page 3

TAPE AND REEL INFORMATION

德州仪器LM193 LM293 LM393 LM2903电压比较器

*All dimensions are nominal Device Package Type Package Drawing

Pins

SPQ Reel Diameter (mm)Reel Width W1(mm)A0(mm)B0(mm)K0(mm)P1(mm)W (mm)Pin1Quadrant LM2903ITL/NOPB DSBGA

YZR 8250178.08.4 1.7 1.70.76 4.08.0Q1LM2903ITLX/NOPB DSBGA

YZR 83000178.08.4 1.7 1.70.76 4.08.0Q1LM2903MX SOIC

D 82500330.012.4 6.5 5.4 2.08.012.0Q1LM2903MX/NOPB SOIC

D 82500330.012.4 6.5 5.4 2.08.012.0Q1LM393MX SOIC

D 82500330.012.4 6.5 5.4 2.08.012.0Q1LM393MX/NOPB SOIC

D 82500330.012.4 6.5 5.4 2.08.012.0Q1LM393TL/NOPB DSBGA

YZR 8250178.08.4 1.7 1.70.76 4.08.0Q1LM393TLX/NOPB DSBGA YZR 83000

178.08.4 1.7 1.70.76 4.08.0Q1

德州仪器LM193 LM293 LM393 LM2903电压比较器

*All dimensions are nominal

Device Package Type Package Drawing Pins SPQ Length(mm)Width(mm)Height(mm) LM2903ITL/NOPB DSBGA YZR8250210.0185.035.0 LM2903ITLX/NOPB DSBGA YZR83000210.0185.035.0 LM2903MX SOIC D8*******.0367.035.0 LM2903MX/NOPB SOIC D8*******.0367.035.0 LM393MX SOIC D8*******.0367.035.0 LM393MX/NOPB SOIC D8*******.0367.035.0 LM393TL/NOPB DSBGA YZR8250210.0185.035.0

LM393TLX/NOPB DSBGA YZR83000210.0185.035.0

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