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AT77C104B - FingerChip Thermal Fingerprint Sweep Sensor

Description

This document describes the specifications of Atmel’s AT77C104B fingerprint sensor dedicated to PDA, cellular and smartphone applications.

Based on FingerChip thermal technology, the AT77C104B is a linear sensor that captures fingerprint images by sweeping the finger over the sensing area.

Features

  • Thermal Sensitive Layer Over a 0.35 µm CMOS Array Image Zone: 0.4 x 11.6 mm Image Array: 8 × 232 = 1856 Pixels Pixel Pitch: 50 × 50 µm = 500 dpi Resolution On-chip 8-bit Analog to Digital Converter Serial Peripheral Interface (SPI) - 2 Modes:.
  • Fast Mode at 16 Mbps Max for Imaging.
  • Slow Mode at 200 kbps Max for Navigation and Control Die Siz.

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Datasheet Details

Part number AT77C104B
Manufacturer ATMEL Corporation
File Size 300.02 KB
Description FingerChip Thermal Fingerprint Sweep Sensor
Datasheet download datasheet AT77C104B Datasheet
Additional preview pages of the AT77C104B datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com Features • • • • • • • • • • • • • • Thermal Sensitive Layer Over a 0.35 µm CMOS Array Image Zone: 0.4 x 11.6 mm Image Array: 8 × 232 = 1856 Pixels Pixel Pitch: 50 × 50 µm = 500 dpi Resolution On-chip 8-bit Analog to Digital Converter Serial Peripheral Interface (SPI) - 2 Modes: – Fast Mode at 16 Mbps Max for Imaging – Slow Mode at 200 kbps Max for Navigation and Control Die Size: 1.5 × 15 mm Operating Voltage: 2.3 to 3.6V Operating Temperature Range: -40° C to 85° C Finger Sweeping Speed from 2 to 20 cm/Second Low Power: 4.5 mA (Image Acquisition), 1.
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