Low-Voltage, Dual Supply, Low rON, Quad SPST Analog Switches
D 2.7- thru 12-V Single Supply or 3- thru 6-Dual Supply D On-Resistance--rDS(on): 1.7 D Fast Switching --tON: 42 ns --tOFF: ns D TTL, CMOS Compatible D Low Leakage: D 2000-V ESD Protection
Widest Dynamic Range Low Signal Errors and Distortion Break-Before-Make Switching Action Simple InterfacingAPPLICATIONS
Automatic Test Equipment Data Acquisition Systems Communication Systems ADC Systems xDSL and PBX/PABX Audio Signal RoutingDESCRIPTION
The DG9424/9425/9426 are low voltage precision monolithic quad single-pole-single-throw analog switches. Combining high speed (tON: 42 ns), flat rDS(on) over the analog signal range ( minimal insertion lose at 190 MHz), and excellent crosstalk and off-isolation performance, the DG9424/9425/9426 are ideally suited for audio and video signal switching. The DG9424 and DG9425 respond to opposite control logic as shown in the Truth Table. The DG9426 has two normally open and two normally closed switches.
Using BiCMOS wafer fabrication technology allows the DG9424/9425/9426 to operate on single and dual supplies. Single supply voltage ranges from 12 V while dual supply operation is recommended with 6 V.
V+ to V--. 13 V GND to V--. 7 V VL. (GND V) to (V+) +0.3 V IN, COM, NC, NOa. --0.3 to (V+ +0.3 V) Continuous Current (NO, NC, COM Pins). 100 mA Peak Current, or D (Pulsed 1 ms, 10% Duty Cycle). 200 mA Storage Temperature. to 150_C Notes: a. Signals on NC, NO, COM or IN exceeding V+ or V-- will be clamped by internal diodes. Limit forward diode current to maximum current ratings. b. All leads welded or soldered to PC Board. c. Derate 5.6 mW/_C above 70_C Power Dissipation (Package)b 16-Pin TSSOPc. 450 mWTest Conditions Unless Specified Parameter Analog Switch
Analog Signal Rangee On-Resistance VANALOG rON 10.8 V, V-- 0 V INO, INC = 50 mA, VCOM 2/9 V Full Room Full V
Turn-On Timee Turn-Off Timee Break-Before-Make Time Delaye Charge Injectione Off Isolatione Channel-to-Channel Crosstalke NO, NC Off Capacitancee COM Off Capacitancee tON tOFF tD QINJ OIRR XTALK CNO(off) CNC(off) CCOM(off) CCOM(on) 1 MH MHz 35 pF VNO, VNC 5 V See Figure 2 DG9426 Only, VNO, VNC = 5 pF, = 1 MHz Room Full Room Full Room pC ns
Positive Supply Current Negative Supply Current Logic Supply Current Ground Current I+ I-VIN VL IL IGND Room Full Room Full Room Full Room Full 1 5
Analog Signal Rangee On-Resistance VANALOG rON INO(off) INC(off) ICOM(off) ICOM(on) 4.5 V, V-- --4.5 V INO, INC = 50 mA, VCOM 5.5 V, V-- --5.5 V VCOM 4.5 V, VNO, VNC 5.5 V, V-- --5.5 V VNO, VNC = VCOM 4.5 V Full Room Full Room Full Room Full Room Full nA VSwitch Off Leakage Current Channel On Leakage Current