PGA205

更新时间： 2024-10-13 22:26:35

品牌	Logo	应用领域
BB		仪表放大器
页数	文件大小	规格书
14页	263K
描述
Programmable Gain INSTRUMENTATION AMPLIFIER

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中文翻译

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PGA205 数据手册

PGA204

PGA205

Programmable Gain

INSTRUMENTATION AMPLIFIER

FEATURES

● DIGITALLY PROGRAMMABLE GAIN:

DESCRIPTION

The PGA204 and PGA205 are low cost, general pur-

pose programmable-gain instrumentation amplifiers

offering excellent accuracy. Gains are digitally se-

lected: PGA204—1, 10, 100, 1000, and PGA205—1,

2, 4, 8V/V. The precision and versatility, and low cost

of the PGA204 and PGA205 make them ideal for a

wide range of applications.

PGA204: G=1, 10, 100, 1000V/V

PGA205: G=1, 2, 4, 8V/V

● LOW OFFSET VOLTAGE: 50µV max

● LOW OFFSET VOLTAGE DRIFT: 0.25µV/°C

● LOW INPUT BIAS CURRENT: 2nA max

● LOW QUIESCENT CURRENT: 5.2mA typ

● NO LOGIC SUPPLY REQUIRED

Gain is selected by two TTL or CMOS-compatible

address lines, A₀and A₁. Internal input protection can

withstand up to ±40V on the analog inputs without

damage.

● 16-PIN PLASTIC DIP, SOL-16 PACKAGES

The PGA204 and PGA205 are laser trimmed for very

low offset voltage (50µV), drift (0.25µV/°C) and high

common-mode rejection (115dB at G=1000). They op-

erate with power supplies as low as ±4.5V, allowing use

in battery operated systems. Quiescent current is 5mA.

APPLICATIONS

● DATA ACQUISITION SYSTEM

● GENERAL PURPOSE ANALOG BOARDS

● MEDICAL INSTRUMENTATION

The PGA204 and PGA205 are available in 16-pin

plastic DIP, and SOL-16 surface-mount packages, speci-

fied for the –40°C to +85°C temperature range.

V_O1V+

PGA204

PGA205

–

V_IN

Over-Voltage

Protection

Feedback

A₁

25kΩ

A₁

A₀

Digitally Selected

Feedback Network

A₃

V_O

Digital

Ground

A₂

Ref

V_IN

Over-Voltage

Protection

25kΩ

V_OSAdj

V_O2

V–

International Airport Industrial Park

•

Mailing Address: PO Box 11400

Cable: BBRCORP

•

Tucson, AZ 85734

•

Street Address: 6730 S. Tucson Blvd.

• Tucson, AZ 85706

Tel: (520) 746-1111

•

Twx: 910-952-1111

•

Telex: 066-6491

•

FAX: (520) 889-1510

•

Immediate Product Info: (800) 548-6132

PDS-1176A

Printed in U.S.A. October, 1993

PGA204/205

12 3 4 5 6 7...14

中文翻译

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