CXA3271GE Datasheet (Sony Corporation)

CXA3271GE, Fingerprint Sensor

The CXA3271GE is an electrostatic capacitance method fingerprint sensor.

This monolithic IC integrates the sensor block, sense amplifier (3-bit gain adjustment), sample-and-hold, output amplifier and output buffer needed to acquire fingerprint images, as well as the timing generator for determining

CXA3271GE Features

* Electrostatic capacitance type sensor (charge transfer method)

* Number of pixels: 192 × 128

* 317 DPI

* Low power consumption (50mW or less)

* Single 3.3V power supply

* Sensor gain control: 3 bits

* S/N ratio improved by on-chip sensor bloc