AD8803 General Description
The AD8801/AD8803 provides eight digitally controlled dc voltage outputs. This potentiometer divider TrimDAC® allows replacement of the mechanical trimmer function in new designs.
The AD8801/AD8803 is ideal for dc voltage adjustment applications.
AD8803 Maximum Ratings
VDD to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.3, +8 V
VREFX to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 V, VDD
Outputs (Ox) to GND . . . . . . . . . . . . . . . . . . . . . . . . 0 V, VDD
Digital Input Voltage to GND . . . . . . . . . . . . . . . . . . 0 V, VDD
Operating Temperature Range . . . . . . . . 40°C to +85°C
Maximum Junction Temperature (TJ MAX) . . . . . . . . +150°C
Storage Temperature . . . . . . . . . . . . . . 65°C to +150°C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . +300°C
Package Power Dissipation . . . . . . . . . . . (TJ MAX TA)/qJA
SOIC (SO-16) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60°C/W
P-DIP (N-16) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57°C/W
AD8803 Features
Low Cost
Replaces Eight Potentiometers
Eight Individually Programmable Outputs
Three-Wire Serial Input
Power Shutdown £ 25 mW Including IDD and IREF
Midscale Preset, AD8801
Separate VREFL Range Setting, AD8803
+3 V to +5 V Single Supply Operation
AD8803 Typical Application
Automatic Adjustment
Trimmer Potentiometer Replacement
Video and Audio Equipment Gain and Offset Adjustment
Portable and Battery Operated Equipment
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