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EN 200
9.
3139 785 31681
9.9.2
Analog Board
IC7004 - AD1852JRS - Digital to Analogue Converter
BLOCK DIAGRAM
16-/18-/20-/24-BIT
DIGITAL
DATA INPUT
SERIAL
DATA
INTERFACE
2
SERIAL
MODE
Circuit- and IC Description
FUNCTIONAL
VOLUME
MUTE
AD1852
8 x F
ATTEN/
S
INTERPOLATOR
MUTE
ATTEN/
8 x F
S
MUTE
INTERPOLATION
MUTE
RESET
Figure 9-9
BLOCK DIAGRAM
CONTROL DATA
INPUT
3
SERIAL CONTROL
VOLTAGE
INTERFACE
REFERENCE
MULTIBIT SIGMA-
DAC
DELTA MODULATOR
MULTIBIT SIGMA-
DAC
DELTA MODULATOR
2
DE-EMPHASIS
ANALOG
SUPPLY
DIGITAL
CLOCK
SUPPLY
IN
2
AUTO-CLOCK
DIVIDE CIRCUIT
ANALOG
OUTPUTS
2
ZERO
FLAG
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