Datasheet

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Contents
1 EVM Overview ............................................................................................................... 3
2 Analog Interface ............................................................................................................. 3
3 Digital Interface .............................................................................................................. 4
4 Parallel Control .............................................................................................................. 5
5 Power Supplies ............................................................................................................ 11
6 Reference Voltage ......................................................................................................... 12
7 EVM Operation ............................................................................................................ 12
8 Schematics and Layout ................................................................................................... 16
List of Figures
1 Parallel Control Header and SN74LVC139.............................................................................. 6
2 Chip-Select External Logic................................................................................................. 6
3 LATCH External Logic...................................................................................................... 7
4 Shared 16-Bit Parallel Bus ............................................................................................... 10
5 DAC8728EVM Unipolar/Single-Supply Setup ......................................................................... 14
6 Bipolar/Dual-Supply Configuration ...................................................................................... 15
List of Tables
1 J5: Analog Output Connector Pinout ..................................................................................... 3
2 J2: Parallel Interface Pins.................................................................................................. 5
3 External Logic Behavior.................................................................................................... 6
4 SN74LVC374 Control ...................................................................................................... 7
5 LDAC Control................................................................................................................ 7
6 A0 and A1 Address Combinations........................................................................................ 9
7 A2 and A3 Address Combinations........................................................................................ 9
8 Commonly-Used Address Combinations ................................................................................ 9
9 J4 Configuration: Power-Supply Input .................................................................................. 11
10 DAC8718EVM Factory Default Configuration ......................................................................... 13
11 Unipolar/Single-Supply Configuration................................................................................... 14
12 Bipolar/Dual-Supply Configuration ...................................................................................... 15
13 DAC8728EVM Bill of Materials ......................................................................................... 16
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DAC8728EVM SBAU161–February 2010
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