INA199

更新时间： 2024-11-26 11:06:39

品牌	Logo	应用领域
德州仪器 - TI		放大器电源管理电路电源电路
页数	文件大小	规格书
22页	797K
描述
26V、双向电流感应放大器

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数据手册

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INA199 数据手册

QFN

Package

SC70

Package

INA199A1

INA199A2

INA199A3

www.ti.com

SBOS469B –MAY 2009–REVISED FEBRUARY 2010

Voltage Output, High or Low Side Measurement, Bi-Directional Zerø-Drift Series

CURRENT SHUNT MONITOR

Check for Samples: INA199A1, INA199A2, INA199A3

FEATURES

DESCRIPTION

•

WIDE COMMON-MODE RANGE: –0.3V to 26V

The INA199Ax series of voltage output current shunt

monitors can sense drops across shunts at

common-mode voltages from –0.3V to 26V,

independent of the supply voltage. Three fixed gains

are available: 50V/V, 100V/V, and 200V/V. The low

offset of the Zerø-Drift architecture enables current

sensing with maximum drops across the shunt as low

as 10mV full-scale.

•

OFFSET VOLTAGE: ±150mV (Max)

(Enables shunt drops of 10mV full-scale)

ACCURACY

–

±1.5% Gain Error (Max over temperature)

0.5mV/°C Offset Drift (Max)

10ppm/°C Gain Drift (Max)

These devices operate from a single +2.7V to +26V

power supply, drawing a maximum of 100mA of

supply current. All versions are specified from –40°C

to +105°C, and offered in both SC70 and thin

QFN-10 packages.

•

CHOICE OF GAINS:

–

INA199A1: 50V/V

INA199A2: 100V/V

INA199A3: 200V/V

•

QUIESCENT CURRENT: 100mA (max)

PRODUCT FAMILY TABLE

PACKAGES: SC70, THIN QFN-10

PRODUCT

INA199A1

INA199A2

INA199A3

GAIN

R₃AND R₄

R₁AND R₂

1MΩ

20kΩ

APPLICATIONS

100

200

10kΩ

1MΩ

•

NOTEBOOK COMPUTERS

CELL PHONES

TELECOM EQUIPMENT

POWER MANAGEMENT

BATTERY CHARGERS

WELDING EQUIPMENT

5kΩ

1MΩ

R_SHUNT

Supply

Load

Reference

Voltage

Output

INA199Ax

OUT

REF

R₁

R₃

IN-

GND

+2.7V to +26V

IN+

V+

R₂

R₄

C_BYPASS

0.01mF

0.1mF

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 the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...22

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与INA199相关器件

型号	品牌	获取价格	描述	数据表
INA199A1	TI	获取价格	Voltage Output, High or Low Side Measurement,
INA199A1_14	TI	获取价格	Voltage Output, High or Low Side Measurement,
INA199A1DCKR	TI	获取价格	Voltage Output, High or Low Side Measurement,
INA199A1DCKT	TI	获取价格	Voltage Output, High or Low Side Measurement,
INA199A1RSWR	TI	获取价格	Voltage Output, High or Low Side Measurement,
INA199A1RSWT	TI	获取价格	Voltage Output, High or Low Side Measurement,
INA199A2	TI	获取价格	Voltage Output, High or Low Side Measurement,
INA199A2DCKR	TI	获取价格	Voltage Output, High or Low Side Measurement,
INA199A2DCKT	TI	获取价格	Voltage Output, High or Low Side Measurement,
INA199A2RSWR	TI	获取价格	Voltage Output, High or Low Side Measurement,

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