SWD-109中文资料
V5
Features
?High Speed CMOS Technology
?Single Channel
?Positive Voltage Control
?Low Power Dissipation
?Low Cost Plastic SO-8 Package
Description
The SWD-109 is a single channel driver used to translate TTL control inputs into gate control voltages for GaAs FET microwave switches and attenuators. High speed analog CMOS technology is utilized to achieve low power dissipation at moderate to high speeds, encompassing most microwave switching applications. The output HIGH level is optionally 0 to +2.0V (relative to GND) to optimize the intermodulation products of the control devices at low frequencies.
Functional Schematic
Ordering Information
Part Number Package
SWD-109 PIN Bulk Packaging
SWD-109TR 1000 piece reel Note: Reference Application Note M513 for reel size information.
Pin No. Function Pin No. Function
1 Output A 5 Vee
2 GND 6 Vopt
3 Vcc 7 GND
4 C1, Logic 8 Output B Pin Configuration
Truth Table
Input
C1 A B Logic “0” V EE V OPT
Logic “1” V OPT V EE
Outputs
V5 Guaranteed Operating Ranges
Symbol Parameter 1Unit Min. Typ. Max.
V CC Positive DC Supply Voltage V 4.5 5.0 5.5
V EE Negative DC Supply Voltage V -8.5 -5.0 -4.5
V OPT2 Optional DC Output Supply Voltage V 0 1.0 2.0 V OPT-V EE Negative Supply Voltage Range V 4.5 6.5 11.0 V CC-V EE Positive to negative Supply Range V 9.0 10.0 14.0 T A Operating Ambient temperature °C -40 +25 +85
I OH DC Output Current - High mA — — -1.0
I OL DC Output Current - Low mA — — 1.0
T rise, T fall Maximum Input Rise or Fall Time ns — — 500
1.All voltages are relative to GND.
2.V OPT is grounded for most applications. To improve the intermodulation performance and the 1 dB compression point of GaAs control
devices at low frequencies, V OPT can be increased to between 1.0 and 2.0V. The nonlinear characteristics of the GaAs control devices will approximate performance at 500 MHz. It should be noted that the control current is on the GaAs MMICs will increase when positive controls are applied.
Symbol Parameter Test Conditions Units Min. Typ. Max.
V IH Input High Voltage Guaranteed High Input Voltage V 2.0 — — V IL Input Low Voltage V — — 0.8 V IH Output High Voltage I OH = -1 mA V EE = Max V V OPT -0.1 — — V OL Output Low Voltage I OL = 1 mA V EE = Max V — — V EE +0.1
I IN Input Leakage Current V IN = V CC or GND V EE = Min μA — .01 10
I CC Quiescent Supply Current V CC = Max
V OPT = Min or Max
V EE = Min
V IN = V CC or GND
μA — — 100
? I CC Additional Supply Current, per
TTL Input pin V CC= Max V IN = V CC -2.1V mA — — 1.0 Guaranteed Low Input Voltage
DC Characteristics over Guaranteed Operating Range
V5
Symbol
Parameter
-55 to +25°C
<+85°C
<+125°C
Unit
T PLH Propagation Delay 22 25
30 ns T PHL Propagation Delay 22 25 30 ns T TLH Output Rising Transition Time 9.0 9.0 9.0 ns T THL Output Falling Transition Time 8.0 8.0 8.0 ns T skew Delay Skew, Output A to Output B
4.0 4.0 4.0 ns C IN Input Capacitance
10 10 10 pF C PDC Power Dissipation Capacitance 4 10 10 10 pF C PDE
Power Dissipation Capacitance 4
140
140
140
pF
AC Characteristics Over Guaranteed Operating Range 3
3.V CC =
4.5V, V OPT - V EE = min or max, V OPT = 0V, C L = 25 pF, Trise, Tfall = 6ns. These conditions represent the worst case for slow delays. 4.Total Power Dissipation is calculated by the following formula: PD = V CC 2fC PDC + (V OPT -V EE ) 2fC PDE
Switching Waveforms
Absolute Maximum Ratings 5
Symbol
Parameter
Min
Max
Unit
V CC Positive DC Supply Voltage
-0.5 7.0 V V EE Negative DC Supply
Voltage -9.0 0.5 V V OPT Optional DC Output Supply
Voltage -0.5 Vcc +0.5 V V OPT -V EE Output to Negative Supply
Voltage Range -0.5 11.0 V V CC -V EE Positive to Negative Supply
Voltage Range
-0.5 14.0 V V I DC Input Voltage -0.5 V CC +0.5 V I I DC Input Current -25 25 mA V O DC Output Voltage V EE –0.5 V OPT +0.5 V P D 6 Power Dissipation in Still Air
— 500 mW V O DC Output Current -25 25 mA T STG
Storage Temperature
-65
150
°C
5.All voltages are referenced to GND. All inputs and outputs
incorporate latch-up protection structures. 6.Derate -7 mW/°C from 65°C to 85°C.
V5