INA103KU

更新时间： 2024-02-22 16:48:19

品牌	Logo	应用领域
德州仪器 - TI		仪表放大器光电二极管
页数	文件大小	规格书
17页	785K
描述
Low Noise, Low Distortion INSTRUMENTATION AMPLIFIER

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INA103KU 数据手册

INA103

Low Noise, Low Distortion

INSTRUMENTATION AMPLIFIER

FEATURES

APPLICATIONS

● LOW NOISE: 1nV/√Hz

● HIGH QUALITY MICROPHONE PREAMPS

(REPLACES TRANSFORMERS)

● LOW THD+N: 0.0009% at 1kHz, G = 100

● HIGH GBW: 100MHz at G = 1000

● WIDE SUPPLY RANGE: ±9V to ±25V

● HIGH CMRR: >100dB

● MOVING-COIL PREAMPLIFIERS

● DIFFERENTIAL RECEIVERS

● AMPLIFICATION OF SIGNALS FROM:

Strain Gages (Weigh Scale Applications)

Thermocouples

● BUILT-IN GAIN SETTING RESISTORS:

G = 1, 100

Bridge Transducers

● UPGRADES AD625

The INA103 is available in 16-pin plastic DIP and

SOL-16 surface-mount packages. Commercial and In-

dustrial temperature range models are available.

DESCRIPTION

The INA103 is a very low noise, low distortion mono-

lithic instrumentation amplifier. Its current-feedback

circuitry achieves very wide bandwidth and excellent

dynamic response. It is ideal for low-level audio

signals such as balanced low-impedance microphones.

The INA103 provides near-theoretical limit noise per-

formance for 200Ω source impedances. Many indus-

trial applications also benefit from its low noise and

wide bandwidth.

Offset Offset

–Gain Drive Null

Null

6kΩ

–

–Input

A₁

3kΩ

Sense

Output

Ref

–Gain Sense

Unique distortion cancellation circuitry reduces dis-

tortion to extremely low levels, even in high gain. Its

balanced input, low noise and low distortion provide

superior performance compared to transformer-coupled

microphone amplifiers used in professional audio

equipment.

–R_G13

–

60.6Ω

3kΩ

A₃

G = 100

+R_G

6kΩ

–

+Gain Sense

+Input

A₂

The INA103’s wide supply voltage (±9 to ±25V) and

high output current drive allow its use in high-level

audio stages as well. A copper lead frame in the plastic

DIP assures excellent thermal performance.

+Gain Drive

V+

V–

International Airport Industrial Park

•

Mailing Address: PO Box 11400, Tucson, AZ 85734

FAXLine: (800) 548-6133 (US/Canada Only)

•

Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706

•

Tel: (520) 746-1111

•

Twx: 910-952-1111

Internet: http://www.burr-brown.com/

•

Cable: BBRCORP

•

Telex: 066-6491

•

FAX: (520) 889-1510

•

Immediate Product Info: (800) 548-6132

PDS-1016H

Printed in U.S.A. March, 1998

INA103

SBOS003

12 3 4 5 6 7...17

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