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DG508AA

8-Channel CMOS Multiplexer
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Description

Features, Applications

Maxim's DG508A and DG509A are monolithic CMOS analog multiplexers (muxes): the is a single 8-channel (1-of-8) mux, and the is a differential 4-channel (2-of-8) mux. Both devices guarantee break-before-make switching. Maxim guarantees these muxes will not latch up if the power supplies are turned off with the input signals still present. Maxim also guarantees continuous operation when these devices are powered by supplies ranging from to �18V. The DG508A/DG509A are plug-in upgrades for the industry-standard DG08A/DG509A, respectively. Maxim's parts have lower on-resistance, faster enable switching times, and significantly lower leakage currents. The DG508A/ DG509A also consume significantly lower power, making them ideal for portable equipment. o Improved Second Source o Operate from to �18V Supplies o Symmetrical, Bidirectional Operation o Logic and Enable Inputs, TTL and CMOS Compatible o Latchup-Proof Construction o Monolithic, Low-Power CMOS Design

Features

PART DG508AEWE DG508AAK TEMP RANGE to +125�C PIN-PACKAGE 16 Plastic DIP 16 Wide SO Dice* 16 CERDIP 16 Plastic DIP 16 Narrow SO 16 QFN 16 Wide SO 16 CERDIP

Applications

Control Systems Data Logging Systems Aircraft Heads-Up Displays Data-Acquisition Systems Signal Routing

Ordering Information continued at end of data sheet. *Contact factory for dice specifications.
ANALOG INPUT (OUTPUTS) +15V V+ CLOCK IN N.C. BIN QC QD AIN r01 r02 GND A +15V N.C.
Typical Operating Circuits continued at end of data sheet.

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! 1-888-629-4642, or visit Maxim's website at www.maxim-ic.com.

Voltage Referenced to VV+....................................................................................+44V GND................................................................................ +25V Digital Inputs, VS and VD (Note 1)..................-2V to (V+ or 20mA, whichever occurs first Current (any terminal, except or D).................................30mA Continuous Current, or D.................................................20mA Peak Current, or D (pulsed 1ms, 10% duty cycle max)..40mA Continuous Power Dissipation (TA = +70�C) Plastic DIP (derate 10.53mW/�C above +70�C)..........842mW QFN (derate 19.2mW/�C above +70�C)....................1538mW Narrow SO (derate 8.70mWI�C above +70�C)............696mW Wide SO (derate 9.52mW/�C above +70�C)................762mW CERDIP (derate 10.00mW/�C above +70�C)...............800mW Operating Temperature Ranges: to +125�C Storage Temperature to +150�C Lead Temperature (soldering, 10s).................................+300�C

Note 1: Signals on S_, D_, or IN_ exceeding or V- are clamped by internal diodes. Limit forward-diode current to maximum current ratings

Stresses beyond 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 in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

PARAMETER SWITCH Analog Signal Range VANALOG Sequence each switch on, VAL = 0.8V, VAH = 2.4V (Note -200�A V SYMBOL CONDITIONS DG509AA DG509AD/E/B/C MIN TYP MAX MIN TYP MAX UNITS

Greatest Change in Drain-Source OnResistance Between Channels Source OffLeakage Current Drain Off- DG508A Leakage Current DG509A DG508A

Sequence each VS(all) = 10V switch on, VS(all) = -10V VAL = 0.8V VS(all) = 10V VAH = 2.4V (Note 2) VS(all) = -10V

PARAMETER LOGIC INPUT Logic Input Current, Input Voltage High Logic Input Current, Input Voltage Low DYNAMIC Multiplexer Switching Time Break-Before-Make Interval Enable Turn-On Time Enable Turn-Off Time Off-Isolation Source Off-Capacitance Drain OffCapacitance DGS09A SUPPLY Positive Supply Current IDG508A IAH IAL = 15V All = 0V Figure 1 Figure 3 Figure 2 Figure 2 VEN = 500kHz (Note = 0V, VEN = 0V, VEN = 140kHz VEN = 2.4V VEN 0V �A SYMBOL CONDITIONS DG508AA DG509AA MIN TYP MAX DG508AD/E/B/C DG509AD/E/B/C MIN TYP MAX UNITS

ttransition tOPEN tON(EN) tOFF(EN) OIRR CS(OFF) CD(OFF)

Negative Supply Current Positive Supply Current in Standby Negative Supply Current in Standby Power-Supply Range for Continuous Operation


Features

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Manufacturer information

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