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 Voltage gain (V/V) 25, 50, 100, 200 CMRR (min) (dB) 90 Bandwidth (kHz) 2.5, 5, 10, 20 Supply voltage (max) (V) 5.5 Supply voltage (min) (V) 1.8 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 Features High precision, Input supply, Small WCSP Package Rating Catalog 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 Voltage gain (V/V) 25, 50, 100, 200 CMRR (min) (dB) 90 Bandwidth (kHz) 2.5, 5, 10, 20 Supply voltage (max) (V) 5.5 Supply voltage (min) (V) 1.8 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 Features High precision, Input supply, Small WCSP Package Rating Catalog Operating temperature range (°C) -40 to 125
DSBGA (YFF) 4 1 mm² 1 x 1 UQFN (RSW) 10 2.52 mm² 1.8 x 1.4
  • 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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Type Title Date
* Data sheet Small Size, Low-Power, Unidirectional CURRENT SHUNT MONITOR datasheet (Rev. C) 04 Nov 2011
White paper Understanding Functional Safety FIT Base Failure Rate Estimates per IEC 62380 and SN 29500 (Rev. A) PDF | HTML 30 Apr 2024
Application note Using a PCB Copper Trace as a Current-Sense Shunt Resistor PDF | HTML 25 Jan 2022
Selection guide Current Sense Amplifiers (Rev. E) 20 Sep 2021
Technical article Why current and magnetic sensing matters for wireless earbud design PDF | HTML 11 Nov 2019
EVM User's guide INA216EVM User Guide 26 Aug 2011

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