MB358M

General Description

The MB358 consists of two independent, high gains

and internally frequency compensated operational amplifiers; it is specifically designed to operate from a single power supply. Operation from split power supply is also possible and the low power supply current drain is independent of the magnitude of the power supply voltages. Typical applications include transducer amplifiers, DC gain blocks and most conventional operational amplifier circuits. The MB358 is compatible with industry standard 358. MB358 has more stringent input offset voltage than MB358. The MB358 are available in two industry standard

packages: DIP-8 and SOP-8. MB358

LOW POWER DUAL OPERATIONAL AMPLIFIERS

SOP8 DIP8

Figure 1: Package Types of MB358

Pin Configuration (DIP8 / SOP8)

Figure 2: Pin Configuration of MB358 (Top View)

Features ● I

nternally Frequency Compensated for Unity Gain ● Large Voltage Gain: 100dB (Typical) ● Low Input Bias Current: 20nA (Typical) ● Low Input Offset Voltage: 2mV (Typical) ● Low Supply Current: 0.5mA (Typical) ● Wide Power Supply Voltage: Single Supply: 3V to 36V Dual Supplies: ±1.5V to ±18V

● Input Common Mode Voltage Range Includes Ground

● Large Output Voltage Swing: 0V to VCC-1.5V

Applications

●

Battery Charger ● Cordless Telephone ● Switching Power Supply

MB358

Ordering Information

Ty pical Application

Circuit Type Blank: Pb G: Halogen Free

Package M:SOP8P: DIP8

TR : Tape/Reel Blank : Tube Blank:MB358A :MB358A B:MB358B Figure 3: Battery Charger

MB358

Typical Application

Figure 4: DC Summing Amplifier Figure 5: Power Amplifier

Figure 6: Fixed Current Sources Figure 7: Pulse Generator

Figure 8: Low Drift Detector

MB358

Functional Block Diagram

Figure 9. Functional Block Diagram of MB358 (Each Amplifier)

Absolute Maximum Ratings (Note 1)

Unit

Value

Parameter Symbol

Power Supply Voltage V CC 40 V Differential Input Voltage V ID 40 V Input Voltage V IC-0.3 to 40 V

DIP-8: 830 mW Power Dissipation P D

SOP-8: 550 mW Storage Temperature Range Tstg -50 to 150 ℃

Lead Temperature (Soldering,10 Seconds)260 ℃

Note1:Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those

indicated under "Recommended Operating Conditions" is not implied. Exposure to "Absolute Maximum Ratings" for extended periods may affect device reliability.

Recommended Operating Conditions

Parameter Symbol Min Max Unit

Supply Voltage

V CC 3 36 V Ambient Operating Temperature

T A

-20 +85 ℃

Electrical Characteristics

V CC = 5V, GND = 0V, T A = 25℃ unless otherwise specified.

Parameter Symbol Conditions

Min Typ Max Unit

MB358A 1.5 Input Offset Voltage V IO V O =1.4V,R S =0

V CC =5V to 30V

MB358B

3.0

mV

Average Temperature Coefficient of V IO ΔV IO / ΔT T A = -20 to 85℃ 7.0 μV/℃

Input Bias Current I BIAS I IN + or I IN -, V CM =0V 20 200 nA Input Offset Current I IO I IN + - I IN -, V CM =0V 5 35 nA

Input Common Mode Voltage Range V IR V CC =30V 0 V CC -1.5

V

T A =-20 to 85 ℃,V CC =30V 0.9 2.0 mA Supply Current I CC T A =-20 to 85 ℃,V CC =5V

0.6 1.2 mA Large Signal Voltage Gain G V

V CC =15V,V O =1V to 11V

R L ≥2K ?

85 100

dB

Common Mode Rejection Ratio CMRR DC,V CM =0 to (V CC -1.5)V 60 70 dB Power Supply Rejection Ratio PSRR V CC =5V to 30V 70 100 dB Channel Separation CS f=1kHz to 20kHz

-120

dB

Output Source

Current I SOURCE V+=1V,V-=0V,V CC =15V

V O =2V

20 40 mA V+=0V,V-=1V,V CC =15V

V O =2V

10 15 mA Output Sink Current I SINK V+=0V,V-=1V,V CC =15V

V O =0.2V

12 50 μA

Output Short circuit current to Ground I SC V CC =15V 40 60 mA

V CC =30V, R L =2K ? 26 V V OH V CC =30V, R L =10K ? 27 28 V Output Voltage Swing

V OL

V CC =5V, R L =10K ? 5 20 mV

MB358

MB358

Typical Performance Characteristics

Figure 10: Large Frequency Response Figure 11: Output Current Sourcing

Figure 12: Supply Current Figure 13: Open Loop Frequency Response

MB358

Typical Performance Characteristics (Continued)

Figure 14: Input Voltage Range Figure 15: Input Bias Current

Figure 16: Voltage Follower Pulse Response

MB358 Mechanical Dimensions

Mechanical Dimensions (Continued)

IMPORTANT NOTICE

CBC Microelectronics Co., LTD reserves the right to make changes without further notice to any products or specifications herein. CBC Microelectronics Co., LTD does not assume any responsibility for use of any its products for any particular purpose, nor does CBC Microelectronics Co., LTD assume any liability arising out of the application or use of any its products or circuits. CBC Microelectronics Co., LTD does not convey any license under its patent rights or other rights nor the rights of others.