|Description||Single 8-ch/differential 4-Ch CMOS Analog Multiplexers|
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Low On-Resistance: 240 W TTL and CMOS Logic Compatible Low Power: 30 mW Break-Before-Make Switching 44-V Power Supply Rating Transition Time: 600 nsEasily Interfaced Low Power Consumption Low System Crosstalk Wide Analog Signal Range
Communication Systems ATE Data Acquisition Systems Audio Signal Routing and Multiplexing Medical InstrumentationDESCRIPTION
The an 8-channel single-ended analog multiplexer, is designed to connect one of eight inputs to a common output as determined a 3-bit binary address A1, A2). enable (EN) are TTL or CMOS compatible over the full specified operating temperature range.
The DG509A_MIL, a dual 4-channel analog multiplexer, is designed to connect one of four differential inputs to a common output as determined by its 2-bit binary address (A0, A1) logic. Break-before-make switching action protects against momentary shorting of the input signals.
Fabricated in the Vishay Siliconix Plus-40 process, the absolute maximum voltage rating is extended 44 V, allowing increased operating headroom for standard "15-V signal swings and operation with "20-V supplies. An epitaxial layer prevents latch up.
The DG508A_MIL/509A_MIL are available in hermetic packages. For plastic packages, use the DG408/409 as pin-for-pin replacements.
A channel in the on state conducts current equally well in both directions. In the off state each channel blocks voltages up to the power supply rails, normally 30 V peak-to-peak. An enable (EN) function allows for device selection when several multiplexers are used All control inputs, address (AX) and
For applications requiring address data latching, the DG528/529 is recommended. DG408/409 is recommended for higher precision applications. For wideband/video routing and multiplexing, the DG538A is recommended.
Voltage Referenced to V V+. 44 V GND. 25 V Digital Inputsa, VS, VD. (V) V to (V+) or 20 mA, whichever occurs first Current (Any Terminal, Except S or D). 30 mA Continuous Current, 20 mA Peak Current, or D (Pulsed at 1 ms, 10% Duty Cycle Max). 40 mA Storage Temperature (K Suffix). 150_C (J and Y Suffix). to 125_C
Power Dissipation (Package)b 16-Pin CerDIPc. 900 mW Notes: a. Signals on SX, DX or INX exceeding or V will be clamped by internal diodes. Limit forward diode current to maximum current ratings. b. All leads soldered or welded to PC board. c. Derate 12 mW/_C above 75_C.Test Conditions Unless Otherwise Specified Parameter P Analog Switch
Analog Signal Rangee Drain-Source On-Resistance rDS(on) Match Source Off Leakage Current Drain Off L k Leakage Current C t VANALOG rDS(on) DrDS(on) IS(off) 10 V VEN #10 V VEN DG509A_MIL DG508A_MIL ID(on) V DG509A_MIL Full Room Full Room Full Room Full Room Full Room Full Room Full W %
Logic g Input p Current I Input t Voltage V lt High Hi h Logic Input Current Input Voltage Low 2.4 V IAH 15 V IAL VEN 0 V Room Full Room Full Room Full mA
Transition Time Break-Before-Make Time Enable Turn-On Time Enable Turn-Off Time Charge Injection Off Isolation Logic Input Capacitance Source Off Capacitance Drain Off Capacitance tTRANS tOPEN tON(EN) tOFF(EN) Q OIRR Cin CS(off) CD(off) See Figure 2 See Figure 4 See Figure 3 See Figure 5 VEN = 7 VRMS, = 500 kHz = 1 MHz VEN = 140 kHz VEN VD 140 kHz DG508A_MIL DG509A_MIL Room www.vishay.com S FaxBack 1.0 ms
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