AS1109_1 AMSCO [austriamicrosystems AG], AS1109_1 Datasheet - Page 2

• Manufacturer Part Number: AS1109_1
• Description: Constant-Current, 8-Bit LED Driver with Diagnostics
• Manufacturer: AMSCO [austriamicrosystems AG]

AS1109
Data Sheet
Contents
1 General Description
2 Key Features ........................................................................................................................................ 1
3 Applications .......................................................................................................................................... 1
4 Pinout
5 Absolute Maximum Ratings
6 Electrical Characteristics ...................................................................................................................... 5
7 Typical Operating Characteristics
8 Detailed Description
9 Application Information
10 Package Drawings and Markings
11 Ordering Information
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Pin Assignments
Pin Descriptions
Switching Characteristics
Serial Interface
Timing Diagrams
Error-Detection Mode
Global Error Mode
Error Detection Functions
Detailed Error Reports
Shutdown Mode
Error Detection
Cascading Devices
Constant Current ................................................................................................................................................ 19
Adjusting Output Current
Package Power Dissipation
Delayed Outputs
Switching-Noise Reduction
Load Supply Voltage
Open-LED Detection ..................................................................................................................................... 12
Shorted-LED ................................................................................................................................................. 12
Overtemperature ........................................................................................................................................... 12
Detailed Temperature Warning Report ......................................................................................................... 13
Detailed Open-LED Error Report .................................................................................................................. 14
Detailed Shorted-LED Error Report .............................................................................................................. 15
Low-Current Diagnostic Mode....................................................................................................................... 15
Error Detection On-The-Fly ........................................................................................................................... 17
Error Detection with Low-Current Diagnosis Mode ....................................................................................... 17
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