INA146

更新时间： 2024-11-02 22:48:07

品牌	Logo	应用领域
BB		放大器
页数	文件大小	规格书
11页	131K
描述
High-Voltage, Programmable Gain DIFFERENCE AMPLIFIER

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INA146 数据手册

INA146

For most current data sheet and other product

information, visit www.burr-brown.com

High-Voltage, Programmable Gain

DIFFERENCE AMPLIFIER

FEATURES

DESCRIPTION

● HIGH COMMON-MODE VOLTAGE:

The INA146 is a precision difference amplifier that

can be used to accurately attenuate high differential

voltages and reject high common-mode voltages for

compatibility with common signal processing voltage

levels. High-voltage capability also affords inherent

input protection. The input common-mode range ex-

tends beyond both supply rails, making the INA146

well-suited for both single and dual supply applica-

tions.

+40V at V_S= +5V

±100V at V_S= ±15V

● DIFFERENTIAL GAIN = 0.1V/V TO 100V/V:

Set with External Resistors

● LOW QUIESCENT CURRENT: 570µA

● WIDE SUPPLY RANGE:

Single Supply: 4.5V to 36V

Dual Supplies: ±2.25V to ±18V

On-chip precision resistors are laser-trimmed to achieve

accurate gain and high common-mode rejection. Ex-

cellent TCR tracking of these resistors assures contin-

ued high precision over temperature.

● LOW GAIN ERROR: 0.025%

● HIGH CMR: 80dB

● SO-8 PACKAGE

A 10:1 difference amplifier provides 0.1V/V gain

when the output amplifier is used as a unity-gain

buffer. In this configuration, input voltages up to

±100V can be measured. Gains greater than 0.1V/V

can be set with an external resistor pair without affect-

ing the common-mode input range.

APPLICATIONS

● CURRENT SHUNT MEASUREMENTS

● SENSOR AMPLIFIER

● SYNCHRONOUS DEMODULATOR

The INA146 is available in the SO-8 surface-mount

package specified for the extended industrial tempera-

ture range, –40°C to +85°C.

●

CURRENT AND DIFFERENTIAL LINE

RECEIVER

● VOLTAGE-CONTROLLED CURRENT

SOURCE

● BATTERY POWERED SYSTEMS

● LOW COST AUTOMOTIVE

R_G1

R_G2

V+

INSTRUMENTATION

R₁

R₂

100kΩ

10kΩ

V_IN^–

R₅

10kΩ

(1%)

V_O

G = 0.1

V_O= (V_I⁺_N– V_I^–_N) 0.1 (1 + R_G2/R_G1

)

R₃

R₄

100kΩ

10kΩ

V_IN⁺

INA146

V–

Ref

V₀₁

International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • 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-1491A

Printed in U.S.A. September, 1999

INA146

12 3 4 5 6 7...11

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与INA146相关器件

型号	品牌	获取价格	描述	数据表
INA146UA	BB	获取价格	High-Voltage, Programmable Gain DIFFERENCE AMPLIFIER
INA146UA	TI	获取价格	高电压可编程增益差分放大器 \| D \| 8 \| -40 to 85
INA146UA/2K5	TI	获取价格	高电压可编程增益差分放大器 \| D \| 8 \| -40 to 85
INA146UA/2K5E4	TI	获取价格	INSTRUMENTATION AMPLIFIER, 5000uV OFFSET-MAX, 0.05MHz BAND WIDTH, PDSO8, ROHS COMPLIANT, S
INA146UAE4	TI	获取价格	高电压可编程增益差分放大器 \| D \| 8 \| -40 to 85
INA148	BB	获取价格	【200V Common-Mode Voltage DIFFERENCE AMPLIFIE
INA148	TI	获取价格	+-200V 共模电压差动放大器
INA148-Q1	TI	获取价格	Â±200-V COMMON-MODE VOLTAGE DIFFERENCE AMPLIF
INA148QDRQ1	TI	获取价格	Â±200-V COMMON-MODE VOLTAGE DIFFERENCE AMPLIF
INA148UA	BB	获取价格	【200V Common-Mode Voltage DIFFERENCE AMPLIFIE

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