PS397 데이터 시트보기 (PDF) - Pericom Semiconductor

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PS397

Precision, 16-Channel/Dual 8-Channel, 17V Analog Multiplexers

Pericom Semiconductor 

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Precision, 16-Channel/Dual 8-Channel,

17V Analog Multiplexers

Features

• Low On-Resistance (100 Ohm Max.) Minimizes Distortion

and Error Voltages

• Low Glitching Reduces Step Errors and Improves

Settling Times. Charge Injection: 5pC Max.

• Dual-Supply Operation (±2.7V to ±8V)

• Single-Supply Operation (+2.7V to +16V)

• Improved Second Sources for MAX396/MAX397

• On-Resistance Matching Between Channels: <6 Ohm

• On-Resistance Flatness: 10 Ohm (Max.)

• Low Off-Channel Leakage, INO(OFF) < 1nA @ +85°C,

ICOM(ON), <2.5nA @ +85°C

• TTL/CMOS Logic Compatible (w/ +5V or ±5V supplies)

• Fast Switching Speed, tTRANS <250ns

• Break-Before-Make action eliminates momentary crosstalk

• Rail-to-Rail Analog Signal Range

• Low Power Consumption, 10µW

• Narrow SOIC and QSOP Packages Minimize Board Area

PS396 16-Channel Single-Ended Multiplexer

Functional Block Diagrams and Pin Configurations

Description

The PS396/PS397 low-voltage, CMOS analog multiplexers offer low

on-resistance (100 Ohm max.), which is matched to within 6 Ohm

between switches and remains flat over the specified signal range (10

Ohm max). They also offer low leakage over temperature (input off-

leakage current less than 1nA at +85°C) and fast switching speeds

(transition time less than 250ns). The PS396 is a 16-channel device,

and the PS397 is a dual 8-channel device.

The PS396/PS397 are fabricated using Pericom’s 17V silicon gate

process. Design improvements yield extremely low charge injection

(5pC max) and guarantee electrostatic-discharge (ESD) protection

greater than 2000V.

These multiplexers operate with a single +2.7V to +16V supply or with

±2.7V to ±8V dual supplies, while retaining CMOS-logic input

compatibility and fast switching. The PS396/PS397 are pin compat-

ible with MAX306/MAX307.

Applications

• Data Acquisition Systems

• Audio Switching and Routing

• Test Equipment

• PBX, PABX

• Telecommunication Systems

• Battery-Powered Systems

V+ 1

N.C. 2

N.C. 3

NO16 4

NO15 5

NO14 6

NO13 7

NO12 8

NO11 9

NO10 10

NO9 11

GND 12

N.C. 13

A3 14

28 COM

27 V–

26 NO8

25 NO7

24 NO6

23 NO5

22 NO4

21 NO3

20 NO2

19 NO1

18 EN

17 A0

16 A1

15 A2

N.C. = NO INTERNAL CONNECTION

NO1

NO2

NO3

NO4

NO5

NO6

NO7

NO8

NO9

NO10

NO11

NO12

NO13

NO14

NO15

NO16

V+

V–

GND

CMOS DECODERS/DRIVERS

A0 A1 A2 A3 EN

COM

PS396

A3 A2

A1

A0

EN

On

Switch

x x x x 0 None

00 0 0 1 1

00 0 11 2

00 1 0 1 3

00 1 11 4

010 01 5

010 11 6

01101 7

011 11 8

10 0 0 1 9

1 0 0 1 1 10

1 0 1 0 1 11

1 0 1 1 1 12

1 1 0 0 1 13

1 1 0 1 1 14

1 1 1 0 1 15

1 1 1 1 1 16

Logic "0" = VAL ≤ 0.8V,

Logic "1" = VAH ≥ 2.4V

1

PS8443A

06/12/00

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