Datasheet Summary
a
Features
Low Cost Replaces 8 Potentiometers 50 kHz 4-Quadrant Multiplying Bandwidth Low Zero Output Error Eight Individual Channels 3-Wire Serial Input 500 kHz Update Data Loading Rate ±3 V Output Swing Midscale Preset, Zero Volts Out
APPLICATIONS Automatic Adjustment Trimmer Replacement Vertical Deflection Amplitude Adjustment Waveform Generation and Modulation
8-Bit Octal, 4-Quadrant Multiplying, CMOS TrimDAC
FUNCTIONAL BLOCK DIAGRAM
VDD LD
SDI CLK
DECODED ADDRESS 8
LOGIC DATA
SERIAL REGISTER
8X 8
R E G I S T E R S
8 8
DAC A
DAC H
VINA VOUT A VINH VOUT H
SDO PR
GENERAL DESCRIPTION The AD8842 provides eight general purpose digitally...