Rainbow Electronics AT77C102B User Manual
Features, Applications
1.
Features
•
Sensitive Layer Over a 0.35 µm CMOS Array
•
Image Zone: 0.4 x 14 mm = 0.02" x 0.55"
•
Image Array: 8 x 280 = 2240 pixels
•
Pixel Pitch: 50 µm x 50 µm = 500 dpi
•
Pixel Clock: up to 2 MHz Enabling up to 1780 Frames per Second
•
Die Size: 1.64 x 17.46 mm
•
Operating Voltage: 3V to 3.6V
•
Naturally Protected Against ESD: > 16 kV Air Discharge
•
Power Consumption: 16 mW at 3.3V, 1 MHz, 25°C
•
Operating Temperature Range: -40°C to +85°C
•
Chip-on-Board (COB), Chip-on-Board (COB) with Connector
•
Complies With the European Directive for Restriction of Hazardous Substances
(RoHS Directive)
2.
Applications
•
PDA (Access Control, Data Protection)
•
Notebook, PC-add on (Access Control, e-business)
•
PIN Code Replacement
•
Automated Teller Machines, POS
•
Building Access
•
Electronic Keys (Cars, Home)
•
Portable Fingerprint Imaging for Law Enforcement
•
TV Access
Figure 2-1.
FingerChip
®
Packages
Chip-on-board Package
with Connector
Chip-on-board Package
(COB)
Actual size
Thermal
Fingerprint
Sensor with
0.4 mm x 14 mm
(0.02" x 0.55")
Sensing Area
and
Digital Output
(On-chip ADC)
AT77C102B
FingerChip
®
Rev. 5364A–BIOM–09/05
Document Outline
- 1. Features
- 2. APPLICATIONS
- 3. Description
- 3.1 Functional Description
- 3.2 Sensor
- 3.3 Analog-to-digital Converter/ Reconstructing an 8-bit Fingerprint Image
- 3.4 Start Sequence
- 3.5 Reading the Frames
- 3.6 Read One Byte/Output Enable
- 3.7 Power Supply Noise
- 3.8 Video Output
- 3.9 Pixel Order
- 3.10 Synchronization: The Dummy Column
- 3.11 Thermometer
- 3.12 Integration Time and Clock Jitter
- 3.13 Power Management
- 3.14 Nap Mode
- 3.15 Static Current Consumption
- 3.16 Dynamic Current Consumption
- 3.17 Temperature Stabilization Power Consumption (TPP Pin)
- 4. Packaging: Mechanical Data
- 5. Ordering Information