Datasheet > INA168NA250G4

INA168NA250G4

更新时间： 2024-09-17 12:33:19

品牌	Logo	应用领域
德州仪器 - TI		监视器
页数	文件大小	规格书
15页	422K
描述
High-Side Measurement CURRENT SHUNT MONITOR

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INA168NA250G4 数据手册

INA138

INA168

SBOS122C – DECEMBER 1999 – REVISED NOVEMBER 2005

High-Side Measurement

CURRENT SHUNT MONITOR

DESCRIPTION

FEATURES

The INA138 and INA168 are high-side, unipolar, current

shunt monitors. Wide input common-mode voltage range,

low quiescent current, and tiny SOT23 packaging enable use

in a variety of applications.

ꢀ COMPLETE UNIPOLAR HIGH-SIDE

CURRENT MEASUREMENT CIRCUIT

ꢀ WIDE SUPPLY AND COMMON-MODE RANGE

ꢀ INA138: 2.7V to 36V

Input common-mode and power-supply voltages are inde-

pendent and can range from 2.7V to 36V for the INA138 and

2.7V to 60V for the INA168. Quiescent current is only 25µA,

which permits connecting the power supply to either side of

the current measurement shunt with minimal error.

ꢀ INA168: 2.7V to 60V

ꢀ INDEPENDENT SUPPLY AND INPUT COMMON-

MODE VOLTAGES

ꢀ SINGLE RESISTOR GAIN SET

ꢀ LOW QUIESCENT CURRENT (25µA typ)

ꢀ WIDE TEMPERATURE RANGE: –40°C to +125°C

ꢀ SOT23-5 PACKAGE

The device converts a differential input voltage to a current

output. This current is converted back to a voltage with an

external load resistor that sets any gain from 1 to over 100.

Although designed for current shunt measurement, the circuit

invites creative applications in measurement and level shifting.

APPLICATIONS

Both the INA138 and INA168 are available in SOT23-5 and

are specified for the –40°C to +125°C temperature range.

ꢀ CURRENT SHUNT MEASUREMENT:

Automotive, Telephone, Computers

ꢀ PORTABLE AND BATTERY-BACKUP

SYSTEMS

ꢀ BATTERY CHARGERS

ꢀ POWER MANAGEMENT

ꢀ CELL PHONES

I_S

R_S

ꢀ PRECISION CURRENT SOURCE

V_IN+

Up To 60V

V_IN+

V_IN–

Load

5kΩ

V+

OUT

V_O= I_SR_SR_L/5kΩ

GND

R_L

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

www.ti.com

12 3 4 5 6 7...15

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与INA168NA250G4相关器件

型号	品牌	获取价格	描述	数据表
INA168NA3K	TI	获取价格	High-Side Measurement CURRENT SHUNT MONITOR
INA168NA3KG4	TI	获取价格	High-Side Measurement CURRENT SHUNT MONITOR
INA168-Q1	TI	获取价格	AEC-Q100、2.7V 至 60V、800kHz 可变增益电流感应放大器
INA168QDBVRQ1	TI	获取价格	HIGH-SIDE MEASUREMENT CURRENT SHUNT MONITOR
INA168QPWRG4Q1	TI	获取价格	HIGH-SIDE MEASUREMENT CURRENT SHUNT MONITOR
INA168QPWRQ1	TI	获取价格	HIGH-SIDE MEASUREMENT CURRENT SHUNT MONITOR
INA169	TI	获取价格	High-Side Measurement CURRENT SHUNT MONITOR
INA169NA	TI	获取价格	INSTRUMENTATION AMPLIFIER, 1000uV OFFSET-MAX, 0.44MHz BAND WIDTH, PDSO5
INA169NA/250	TI	获取价格	High-Side Measurement CURRENT SHUNT MONITOR
INA169NA/250G4	TI	获取价格	2.7V 至 60V、440kHz 可变增益电流感应放大器 \| DBV \| 5 \| -40

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