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AT77C105A Datasheet, PDF (1/39 Pages) ATMEL Corporation – FingerChip Thermal Fingerprint Sweep Sensor, Hardware Based Navigation and Click Functions, Extended I/O range(1.8-3.3V) | |||
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Features
⢠Thermal Sensitive Layer Over a 0.35 µm CMOS Array
⢠Image Zone: 0.4 x 11.6 mm
⢠Image Array: 8 à 232 = 1856 Pixels
⢠Pixel Pitch: 50 à 50 µm = 500 dpi Resolution
⢠On-chip 8-bit Analog to Digital Converter
⢠Serial Peripheral Interface (SPI) - 2 Modes:
â Fast Mode at 16 Mbps Max for Imaging
â Slow Mode at 200 kbps Max for Navigation and Control
⢠Die Size: 1.5 à 15 mm
⢠Operating Voltage: 2.3 to 3.6V
⢠I/O Voltage: 1.65 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), 1.5 mA (Navigation), <10 µA (Sleep Mode)
⢠Hard Protective Coating (>4 Million Sweeps)
⢠High Protection from Electrostatic Discharge
⢠Small Form Factor Packaging
Description
Atmelâs AT77C105A fingerprint sensor is dedicated to PDA, cellular and smartphone
applications. Based on FingerChip thermal technology, the AT77C105A is a linear
sensor that captures fingerprint images by sweeping the finger over the sensing area.
This product embeds true hardware-based 8-way navigation and click functions as
well, as enabling elimination of mechanical joystick devices.
Applications
⢠Scrolling, Menu and Item Selection for PDAs, Cellular or Smartphone Applications
⢠Cellular and Smartphones-based Security (Device Protection, Network and ISP
Access, E-commerce)
⢠Personal Digital Agenda (PDA) Access
⢠User Authentication for Private and Confidential Data Access
⢠Portable Fingerprint Acquisition
FingerChip®
Thermal
Fingerprint
Sweep Sensor,
Hardware
Based
Navigation and
Click Functions,
Extended I/O
range (1.8-3.3V)
AT77C105A
Preliminary
Chip-on-board Package
Sweep your finger
to make life easier
Actual size of sensor
5419AâBIOMâ01/05
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