Ic Description - Philips DVDR5350H/02 Service Manual

EN 172 9. 3139 785 31532
9.6

IC Description

9.6.1 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
8 x F
ATTEN/
S
MUTE
INTERPOLATION
MUTE
RESET
Figure 9-7
BLOCK DIAGRAM
CONTROL DATA
INPUT
3
VOLTAGE
SERIAL CONTROL
REFERENCE
INTERFACE
MULTIBIT SIGMA-
DAC
DELTA MODULATOR
MULTIBIT SIGMA-
DAC
DELTA MODULATOR
2
DE-EMPHASIS ANALOG
SUPPLY
CLOCK
DIGITAL
SUPPLY IN
2
AUTO-CLOCK
DIVIDE CIRCUIT
ANALOG
OUTPUTS
2
ZERO
FLAG