XR10910 Datasheet PDF - Exar Corporation

General Description
The XR10910 is a unique sensor interface integrated circuit with an on-board 16:1 multiplexer, offset correction DAC, instrumentation amplifier and voltage reference. The XR10910 is designed to integrate multiple bridge sensors with a microcontroller (MCU) or field-programmable gate array (FPGA).

FEATURES
■ Integrated features for interfacing multiple
   bridge sensors with an MCU or FPGA:
   ❏ 16:1 differential mux with I2C interface
   ❏ Instrumentation amplifier
   ❏ LDO
   ❏ Offset correction DAC with I2C interface
      (±560mV offset correction range - RTI)
■ Eight selectable voltage gains from 2V/V
   to 760V/V with only ±0.5% gain error
■ 1mV maximum input offset voltage
■ 100pA maximum input bias current
■ 556μA maximum supply current
■ 2.7V to 5V analog supply voltage range
■ 1.8V to 5V digital supply voltage range
■ -40˚C to +85˚C temperature range
■ 6x6mm QFN-40

APPLICATIONS
■ Bridge sensor interface
■ Pressure & temperature sensors
■ Strain gauge amplifier
■ Industrial process controls
■ Weigh scales