PS398ESEE datasheet(1/11 Pages) PERICOM

Part #	PS398ESEE

Description	Precision 8-Ch, Diff. 4-Ch, 17V Analog Multiplexers

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Manufacturer	PERICOM [Pericom Semiconductor Corporation]

Direct Link	http://www.pericom.com

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PS398/PS399

Precision 8-Ch, Diff. 4-Ch,

17V Analog Multiplexers

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1

PS8185F

09/28/04

Features

• Low On-Resistance (60-ohm typ.) Minimizes Distortion

and Error Voltages

• Low Glitching Reduces Step Errors and Improves

Settling Times. Charge Injection: <5pC

• Split-Supply Operation (+3V to +8V)

• Improved Second Sources for MAX398/MAX399

• On-Resistance Matching Between Channels: <6Ohm

• On-Resistance Flatness: <11-ohm

• Low Off-Channel Leakage,

INO(OFF) < 1nA @ +85oC, ICOM(ON), <2.5nA @ +85oC

• TTL/CMOS Logic Compatible

• Fast Switching Speed, tTRANS <250ns

• Break-Before-Make action eliminates momentary crosstalk

• Rail-to-RailAnalog Signal Range

• Low Power Consumption, <300µW

• Packaging (Pb-free & Green available):

- 16-pin SOIC (W)

Applications

• Data Acquisition Systems

• Audio Switching and Routing

• Test Equipment

• PBX, PABX

• Telecommunication Systems

• Battery-Powered Systems

Description

The PS398/PS399 are improved high precision analog multiplexers.

The PS398, an 8-channel single-ended mux, selects one of eight

inputs to a common output as determined by a 3-bit address

A0-A2. An EN (enable) pin when low disables all switches, use-

ful when stacking several devices. The PS399 is a 4-channel

differential multiplexer. It selects one of four differential inputs to

a common differential output as determined by a 2-bit address A0,

A1. An EN pin may be driven low to disable all switches.

These multiplexers operate with dual supplies from +3V to +8V.

Single-supply operation is possible from +3V to +15V.

With +5V power supplies, the PS398/PS399 guarantee <100-ohm

on-resistance

. On-Resistance matching between channels is within

6-ohm. On-Resistance flatness is less than 11-ohm over the speci-

fied signal range.

Each switch conducts current equally well in either direction when

on. In the off state each switch blocks voltages up to the power-

supply rails.

Both devices guarantee low leakage currents (<2.5nA at +85oC)

and fast switching speeds (tTRANS <250ns). Break-before-make

switching action protects against momentary crosstalk between

channels.

Block Diagrams and Pin Configurations

8

Decoders/Drivers

1

2

3

4

5

6

7

9

16

15

14

13

12

11

10

A0

EN

V-

NO1

NO2

NO3

NO4

COM

A1

A2

GND

V+

NO5

NO6

NO7

NO8

8

Decoders/Drivers

1

2

3

4

5

6

7

9

16

15

14

13

12

11

10

AO

EN

V-

NO1A

NO2A

NO3A

NO4A

COMA

A1

GND

V+

NO1B

NO2B

NO3B

NO4B

COMB

PS398

PS399

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