OUT

IN-

IN+

GND

Load

Supply:

+1.8V to +5.5V

Shunt

R

1

R

2

1.6MW

1.6MW

PRODUCT

R = R

1

2

INA216A1

INA216A2

INA216A3

INA216A4

64kW

32kW

16kW

8kW

GAIN

25

50

100

200

INA216

www.ti.com

SBOS503B – JUNE 2010 – REVISED JUNE 2010

Small Size, Low-Power, Unidirectional,

CURRENT SHUNT MONITOR

Zerø-Drift Series

Check for Samples: INA216

1

FEATURES

DESCRIPTION

2

•

CHIP-SCALE PACKAGE

The INA216 is a high-side voltage output current

shunt monitor that can sense drops across shunts at

•

COMMON-MODE RANGE: +1.8V to +5.5V

common-mode voltages from +1.8V to +5.5V. Four

•

OFFSET VOLTAGE: ±30mV

fixed gains are available: 25V/V, 50V/V, 100V/V, and

•

GAIN ERROR: ±0.2% MAX

200V/V. The low offset of the Zerø-Drift architecture

•

CHOICE OF GAINS:

enables current sensing with maximum drops across

the shunt as low as 10mV full-scale, or with wide

–

INA216A1: 25V/V

dynamic ranges of over 1000:1.

–

INA216A2: 50V/V

These devices operate from a single +1.8V to +5.5V

–

INA216A3: 100V/V

power supply, drawing a maximum of 25mA of supply

–

INA216A4: 200V/V

current. The INA216 series are specified over the

•

QUIESCENT CURRENT: 13mA

temperature range of –40°C to +125°C, and offered

in a chip-scale package.

•

BUFFERED VOLTAGE OUTPUT: No Additional

Op Amp Needed

APPLICATIONS

•

NOTEBOOK COMPUTERS

•

CELL PHONES

•

TELECOM EQUIPMENT

•

POWER MANAGEMENT

•

BATTERY CHARGERS

1

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.

2

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2010, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.