Datasheet

Introduction and Overview

www.ti.com

1 Introduction and Overview

1.1 INA216

The INA216 devices are voltage output, high-side measurement, unidirectional, zero-drift current shunt

monitors. This family of devices has gains that range from 25V/V to 200V/V. The voltage developed

across the device inputs is amplified by the corresponding gain of the chosen device and is presented at

the output pin. The INA216 devices can sense voltage drops across shunts at common-mode voltages

between 1.8V to 5.5V. The low offset of the zero-drift architecture enables current sensing with maximum

drops across the shunt as low as 10mV full-scale.

The INA216 is currently available in a wafer chip-scale package (WCSP). Table 1 summarizes the

available device options.

Table 1. INA216 Device Summary

Product Gain

INA216A1 25

INA216A2 50

INA216A3 100

INA216A4 200

1.2 INA216EVM

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 layout of the INA216EVM printed circuit board (PCB) is designed to provide these features:

• Easy handling of the small package; a mechanical drawing of the recommended land pattern is found

at the end of the product data sheet.

• Easy access to all pins of the device

• Space for optional input filtering capacitors and resistors as well as a prototype area for additional

user-defined circuitry

• Space for shunt resistors of various footprints

• Evaluation of all gain options through provided device boards

The INA216EVM allows the user to install a shunt resistor, and then connect both the common-mode

voltage and load to develop the input voltage, or to omit the shunt resistor and apply a differential voltage

directly to the device input. This flexibility allows a user to test the device operation in a simulated manner

as well as in an actual application.

Refer to the INA216 product data sheet for comprehensive information about the INA216 family of

devices.

INA216EVM SBOU086–August 2011

Submit Documentation Feedback