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HCD-GTR33/GTR55/GTR77
• IC Block Diagrams
IC107 TK11133CSCL-G (DMB19 Board (1/3))
5
OVER HEAT &
OVER CURRENT
PROTECTION
CONTROL
–
CIRCUIT
+
BANDGAP
REFERENCE
1
2
IC4601 PCM1808PWR (DMB19 Board (3/3))
DELTA-SIGMA
MODULATOR
VREF 1
REFERENCE
DELTA-SIGMA
MODULATOR
AGND
2
VCC
3
POWER
VDD
4
SUPPLY
DGND
5
SCKI 6
LRCK 7
IC4602 CS4335-KSZR (DMB19 Board (3/3))
SERIAL INPUT
SDATA
1
INTERFACE
DEM/SCLK
2
LRCK
3
DE-EMPHASIS
MCLK
4
40
4
3
ANTIALIAS
LOW-PASS FILTER
ANTIALIAS
LOW-PASS FILTER
1/64
DECIMATION
INTERFACE
FILTER
WITH
MODE/FORMAT
HIGH-PASS
CONTROL
FILTER
CLOCK & TIMING CONTROL
INTERPOLATOR
INTERPOLATOR
MODULATOR
MODULATOR
IC111 MM1661JHBE (DMB19 Board (1/3))
8 7 6 5
BIAS
SHUTDOWN
REFERENCE
1 2
14
VINR
13
VINL
12
FMT
SERIAL
11
MD1
10
MD0
&
9
DOUT
8
BCK
VOLTAGE
REFERENCE
ANALOG
DAC
LOW-PASS
FILTER
ANALOG
DAC
LOW-PASS
FILTER
THERMAL
DRIVER
CURRENT
LIMITTER
3
4
8
AOUTL
7
VA
6
AGND
5
AOUTR
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