GENERAL DESCRIPTION

The ADM1191 is an integrated current sense amplifier that offers digital current and voltage monitoring via an on-chip, 12-bit analog-to-digital converter (ADC), communicated through an I2C interface.

FEATURES

Powered from 3.15 V to 26 V

Precision current sense amplifier

Precision voltage input

12-bit ADC for current and voltage readback

Convert pin (CONV) for commanding an ADC read

SETV input for setting overcurrent alert threshold

ALERTB output provides an overcurrent interrupt

I2C® fast mode-compliant interface (400 kHz maximum)

Two address pins allow 16 devices on the same bus

10-lead MSOP

APPLICATIONS

Power monitoring/power budgeting

Central office equipment

Telecommunication and data communication equipment

PCs/servers