INA216

ACTIVE

1.8 to 5.5V, high-precision current sense amplifier in wcsp

Product details

Product type Analog output Common-mode voltage (max) (V) 5.5 Common-mode voltage (min) (V) 1.8 Input offset (±) (max) (µV) 75, 100 Input offset drift (±) (typ) (µV/°C) 0.1 Features High precision, Input supply, Small WCSP Package Rating Catalog Voltage gain (V/V) 25, 50, 100, 200 CMRR (min) (dB) 90 Bandwidth (kHz) 2.5, 5, 10, 20 Iq (max) (mA) 0.03 Number of channels 1 Comparators (#) 0 Gain error (%) 0.2 Gain error drift (±) (max) (ppm/°C) 0.25 Slew rate (V/µs) 0.3 Operating temperature range (°C) -40 to 125
Product type Analog output Common-mode voltage (max) (V) 5.5 Common-mode voltage (min) (V) 1.8 Input offset (±) (max) (µV) 75, 100 Input offset drift (±) (typ) (µV/°C) 0.1 Features High precision, Input supply, Small WCSP Package Rating Catalog Voltage gain (V/V) 25, 50, 100, 200 CMRR (min) (dB) 90 Bandwidth (kHz) 2.5, 5, 10, 20 Iq (max) (mA) 0.03 Number of channels 1 Comparators (#) 0 Gain error (%) 0.2 Gain error drift (±) (max) (ppm/°C) 0.25 Slew rate (V/µs) 0.3 Operating temperature range (°C) -40 to 125
UQFN (RSW) 10 2.52 mm² (1.8 mm × 1.4 mm) DSBGA (YFF) 4 1 mm² (— mm × — mm)
  • CHIP-SCALE PACKAGE
  • COMMON-MODE RANGE: +1.8V to +5.5V
  • OFFSET VOLTAGE: ±30µV
  • GAIN ERROR: ±0.2% MAX
  • CHOICE OF GAINS:
    • INA216A1: 25V/V
    • INA216A2: 50V/V
    • INA216A3: 100V/V
    • INA216A4: 200V/V
  • QUIESCENT CURRENT: 13µA
  • BUFFERED VOLTAGE OUTPUT: No Additional Op Amp Needed
  • CHIP-SCALE PACKAGE
  • COMMON-MODE RANGE: +1.8V to +5.5V
  • OFFSET VOLTAGE: ±30µV
  • GAIN ERROR: ±0.2% MAX
  • CHOICE OF GAINS:
    • INA216A1: 25V/V
    • INA216A2: 50V/V
    • INA216A3: 100V/V
    • INA216A4: 200V/V
  • QUIESCENT CURRENT: 13µA
  • BUFFERED VOLTAGE OUTPUT: No Additional Op Amp Needed

The INA216 is a high-side voltage output current shunt monitor that can sense drops across shunts at common-mode voltages from +1.8V to +5.5V. Four fixed gains are available: 25V/V, 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, or with wide dynamic ranges of over 1000:1.

These devices operate from a single +1.8V to +5.5V power supply, drawing a maximum of 25µA of supply current. The INA216 series are specified over the temperature range of –40°C to +125°C, and offered in a chip-scale package.

The INA216 is a high-side voltage output current shunt monitor that can sense drops across shunts at common-mode voltages from +1.8V to +5.5V. Four fixed gains are available: 25V/V, 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, or with wide dynamic ranges of over 1000:1.

These devices operate from a single +1.8V to +5.5V power supply, drawing a maximum of 25µA of supply current. The INA216 series are specified over the temperature range of –40°C to +125°C, and offered in a chip-scale package.

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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet Small Size, Low-Power, Unidirectional CURRENT SHUNT MONITOR datasheet (Rev. C) Nov 4, 2011
Application note Using a PCB Copper Trace as a Current Sense Shunt Resistor (Rev. A) PDF | HTML Apr 27, 2026
Application note Risks and Prevention of ESD, EOS, and Latch Up Events for Current Sense Amplifiers PDF | HTML Nov 18, 2024
Selection guide Current Sense Amplifiers (Rev. E) Sep 20, 2021
Technical article Why current and magnetic sensing matters for wireless earbud design PDF | HTML Nov 11, 2019

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

INA216EVM — INA216 Evaluation Module

The INA216EVM is intended to provide basic functional evaluation of this device family. The fixture layout is not intended to be a model for the target circuit, nor is it laid out for electromagnetic compatibility (EMC) testing. The INA216EVM allows the user to install a shunt resistor, and then (...)

User guide: PDF
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Simulation model

INA216A1 PSpice Model (Rev. B)

SBOM824B.ZIP (820 KB) - PSpice model
Supported products & hardware
Simulation model

INA216A1 TINA-TI Reference Design (Rev. C)

SBOM826C.TSC (376 KB) - TINA-TI reference design
Supported products & hardware
Simulation model

INA216A1 TINA-TI Spice Model (Rev. C)

SBOM825C.ZIP (6 KB) - TINA-TI Spice model
Supported products & hardware
Simulation model

INA216A2 PSpice Model (Rev. B)

SBOM827B.ZIP (29 KB) - PSpice model
Supported products & hardware
Simulation model

INA216A2 TINA-TI Reference Design (Rev. C)

SBOM829C.TSC (376 KB) - TINA-TI reference design
Supported products & hardware
Simulation model

INA216A2 TINA-TI Spice Model (Rev. C)

SBOM828C.ZIP (6 KB) - TINA-TI Spice model
Supported products & hardware
Simulation model

INA216A3 PSpice Model (Rev. B)

SBOM830B.ZIP (31 KB) - PSpice model
Supported products & hardware
Simulation model

INA216A3 TINA-TI Reference Design (Rev. C)

SBOM831C.TSC (362 KB) - TINA-TI reference design
Supported products & hardware
Simulation model

INA216A3 TINA-TI Spice Model (Rev. C)

SBOM832C.ZIP (6 KB) - TINA-TI Spice model
Supported products & hardware
Simulation model

INA216A4 PSpice Model (Rev. B)

SBOM835B.ZIP (27 KB) - PSpice model
Supported products & hardware
Simulation model

INA216A4 TINA-TI Reference Design (Rev. C)

SBOM834C.TSC (309 KB) - TINA-TI reference design
Supported products & hardware
Simulation model

INA216A4 TINA-TI Spice Model (Rev. C)

SBOM833C.ZIP (33 KB) - TINA-TI Spice model
Supported products & hardware
Calculation tool

ANALOG-ENGINEER-CALC — PC software analog engineer's calculator

The analog engineer’s calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting operational-amplifier (...)

Supported products & hardware
Calculation tool

CS-AMPLIFIER-ERROR-TOOL — Current Sense Amplifier Comparison and Error Tool

This Excel calculator provides a comparison between two and five of our standard current sense amplifiers, delivering a chart containing the basic parameters of each device. This calculator also takes system condition inputs from users such as common-mode voltage, supply voltage, shunt resistor (...)
Supported products & hardware
Reference design

TIDA-00302 — Current Shunt Monitor with Transient Robustness Reference Design

This high-side current shunt monitor is used to measure the voltage developed across a current-sensing resistor when current passes through it.

Additionally, an external protection circuit is implemented to provide surge and fast-transient protection and demonstrate the different immunity levels to (...)

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UQFN (RSW) 10 Ultra Librarian
DSBGA (YFF) 4 Ultra Librarian

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