
www.austriamicrosystems.com
Revision 1.02
2 - 22
AS1524/AS1525
Datasheet
Contents
1 General Description
............................................................................................................................. 1
2 Key Features
3 Applications
4 Pinout
........................................................................................................................................ 1
.......................................................................................................................................... 1
................................................................................................................................................... 3
Pin Assignment
Pin Description
5 Absolute Maximum Ratings
6 Electrical Characteristics
................................................................................................................................................... 3
..................................................................................................................................................... 3
................................................................................................................. 4
...................................................................................................................... 5
Timing Characteristics
7 Typical Operating Characteristics
8 Detailed Description
......................................................................................................................................... 7
........................................................................................................ 8
........................................................................................................................... 11
True Differential Analog Input Track/Hold
Selecting AIN1 or AIN2 (AS1525)
Selecting Unipolar or Bipolar Conversions (AS1524)
Input Bandwidth
..................................................................................................................................................13
Analog Input Protection
......................................................................................................................................13
Internal Clock
......................................................................................................................................................13
Output Data Format
............................................................................................................................................13
Transfer Function
................................................................................................................................................13
9 Application Information
.......................................................................................................................15
.......................................................................................................... 11
......................................................................................................................11
.........................................................................................12
Automatic Shutdown Mode
External Reference
Performing a Conversion
Standard Interface Connections
SPI and Microwire Interface........................................................................................................................... 15
QSPI Interface ................................................................................................................................................16
PIC16 and SSP Module and PIC17 Interface ................................................................................................17
Layout and Grounding Considerations
.............................................................................................................. 19
10 Package Drawings and Markings
.................................................................................................... 20
11 Ordering Information
........................................................................................................................ 21
.................................................................................................................................15
.............................................................................................................................................15
....................................................................................................................................15
..........................................................................................................................15