AS1545_1 AMSCO [austriamicrosystems AG], AS1545_1 Datasheet - Page 2

• Manufacturer Part Number: AS1545_1
• Description: Dual, 12-Bit, 1MSPS, SAR ADC
• Manufacturer: AMSCO [austriamicrosystems AG]

AS1545
Datasheet
Contents
1 General Description
2 Key Features ........................................................................................................................................................... 1
3 Applications
4 Pinout
5 Absolute Maximum Ratings
6 Electrical Characteristics
7 Typical Operating Characteristics
8 Terminology
9 Detailed Description
10 Application Information
11 Application Hints .................................................................................................................................................. 31
12 Package Drawings and Markings ........................................................................................................................ 32
13 Ordering Information
www.austriamicrosystems.com
Pin Assignment
Pin Description
Analog Input ....................................................................................................................................................... 18
Analog-to-Digital Conversion
Digital Inputs
Operation Modes
Serial Interface ................................................................................................................................................... 28
Timing Characteristics ..................................................................................................................................... 9
Acquisition Time ............................................................................................................................................ 18
Analog Input Composition ............................................................................................................................. 19
Analog Input Modes ...................................................................................................................................... 20
Single-Ended Mode ....................................................................................................................................... 21
Fully Differential Mode .................................................................................................................................. 21
Pseudo Differential Mode .............................................................................................................................. 22
Output Coding ............................................................................................................................................... 23
Transfer Functions ........................................................................................................................................ 23
VDRIVE Functionality..................................................................................................................................... 24
Full Power-Up Mode ..................................................................................................................................... 25
Full Power-Down Mode ................................................................................................................................. 25
Partial Power-Down Mode ............................................................................................................................ 26
Power-Up Times ........................................................................................................................................... 27
Power vs. Throughput Rate .......................................................................................................................... 28
Difference calculator and quadrature signals calculator ................................................................................ 29
Direction of the rotor based on DIR bit .......................................................................................................... 30
Grounding and Layout ................................................................................................................................... 31
PCB Design Guidelines for TQFN ................................................................................................................. 31
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