INA220AIDGST Part Information

Details for INA220AIDGST by Texas Instruments

Semiconductors - ICs > Amplifiers & Comparators > Current Sense Amplifiers

Part Description

The INA220 is a current shunt and power monitor with an I2C- or SMBUS-compatible interface. The INA220 monitors both shunt drop and supply voltage. A programmable calibration value, combined with an internal multiplier, enables direct readouts in amperes. An additional multiplying register calculates power in watts. The I2C- or SMBUS-compatible interface features 16 programmable addresses. The separate shunt input on the INA220 allows it to be used in systems with low-side sensing. The INA220 is available in two grades: A and B. The B grade version has higher accuracy and higher precision specifications. The INA220 senses across shunts on buses that can vary from 0 to 26 V, useful for low-side sensing or CPU power supplies. The device uses a single 3- to 5.5-V supply, drawing a maximum of 1 mA of supply current. The INA220 operates from –40°C to 125°C.

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Part Features

  • 16 Programmable Addresses
  • Fast (2.56-MHz) I2 C- or SMBUS-Compatible Interface
  • High Accuracy: 0.5% (Maximum) Over Temperature (INA220B)
  • High- or Low-Side Sensing
  • Reports Current, Voltage, and Power
  • Senses Bus Voltages from 0 V to 26 V
  • User-Programmable Calibration
  • VSSOP-10 Package

Part Specifications

No. of Amplifiers -, 0Amplifiers
Input Bias Current -
Amplifier Case Style MSOP
No. of Pins 10Pins
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Bandwidth -
Supply Voltage Min 3V
Supply Voltage Max 5.5V
Input Offset Voltage 100µV
CMRR 100dB
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 2 - 1 year
SVHC No SVHC (27-Jun-2018)
Base Number 220
Common Mode Voltage VCM 26V
Operating Temperature Range -40°C to +125°C
Output Current Per Channel 10mA
Supply Current 700µA
Supply Voltage Range 3V to 5.5V
Termination Type Surface Mount Device
RoHS Compliant

Alternative Part Descriptions

  • Current/Power Monitor High/Low VSSOP10 | RS Components
  • IC, CURRENT POWER MONITOR, 10MSOP; No. of Amplifiers:1 Amplifier; Input Bias Current:-; Amplifier Case Style:MSOP; No. of Pins:10Pins; Operating Temperature Min:-40°C; Operating Temperature Max:125°C; Bandwidth:-; Supply Voltage RoHS Compliant: Yes | Newark Electronics
  • 26V, 12-bit, i2c output current/voltage/power monitor | Texas Instruments
  • Power and Current Monitor [Texas Instruments] INA220AIDGST Power and Current Monitor | Distrelec

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