Ad1837 (Ic808); Ad1837 Terminal Function - Denon AVR-2105 Service Manual

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3 7 63 1515 0

AD1837 (IC808)

TE
L 13942296513

AD1837 Terminal Function

Pin No. Pin Name
1,39 DVDD
2 CLATCH
33 CIN
4 PD/RST
5,10,16,24,30,35 AGND
6,12,25,31 NC
7,13,26,32 OUTLx
8,14,27,33 NC
9,15,28,34 OUTRx
11,19,29 AVDD
17 FILTD
18 FILTR
20 ADCLN
21 ADCLP
22 ADCRN
23 ADCRP
36 M/S
37 DLRCLK
38 DBCLK
40,52 DGND
41-44 DSDATAx
45 ABCLK
46 ALRCLK
47 MCLK
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48 ADVDD
49 ASDATA
50 COUT
51 CCLK
.
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50
52 51
DVDD
1
CLATCH
2
CIN
3
PD/RST 4
AGND
5
NC
6
OUTL1
7
NC
8
OUTR1
9
AGND
10
AVDD
11
NC
12
OUTL2
13
14 15 16
DVDD DVDD ODVDD ALRCLK ABCLK
DLRCLK
DBCLK
DSDATA1
SERIAL DATA
I/O PORT
DSDATA2
DSDATA3
DSDATA4
ADCLP
-
DIGITAL
ADC FILTER
ADCLN
ADCRP
DIGITAL
-
FILTER
ADC
ADCRN
AD1837
DGND
Input/
Output
Digital Power Supply. Connect to digital 5V supply.
I Latch Input for Control Data
I Serial Control Input
I Power-Down/Reset
Analog Ground
Not connected
O DACx Left Channel Output
Not connected
O DACx Right Channel Output
Analog Power Supply. Connect to analog 5V supply.
Filter Capacitor Connection. Recommend 10 F/100nF.
Reference Filter Capacitor Connection. Recommended 10 F/100nF.
I ADC Left Channel Negative Input
I ADC Left Channel Positive Input
I ADC Right Channel Negative Input
I ADC Right Channel Positive Input
I ADC Master/Slave Select
I/O DAC LR Clock
I/O DAC Bit Clock
Digital Ground
I DACx Input Data (Left and Right Supply)
I/O ADC Bit Clock
I/O ADC LR Clock
I Master Clock Input
Digital Output Driver Power Supply
O ADC Serial Data Output
x ao
y
O Output for Control Data
I Control Clock Input for Control Data
i
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8
49 48 47 46 45 44 43 42 41 40
39
38
37
36
35
34
TOP VIEW
33
32
31
30
29
28
27
17 18 19 20 21 22 23 24 25 26
ASDATA CCLK CLATCH CIN COUT MCLK PD/RST M/S AVDD AVDD
CLOCK
CONTROL PORT
VOLUME
DIGITAL
FILTER
VOLUME
VOLUME
DIGITAL
FILTER
VOLUME
VOLUME
DIGITAL
FILTER
VOLUME
VOLUME
DIGITAL
FILTER
VOLUME
Q Q
3 6 7 1 3
DGND AGND AGND AGND AGND
Description
u163
.
16
AVR-2105/885 / AVC-1890
2 9 9 4 2 8
DVDD
DBCLK
DLRCLK
M/S
AGND
OUTR4
NC
OUTL4
NC
AGND
AVDD
OUTR3
NC
OUTL1
-
DAC
OUTR1
OUTL2
-
DAC
OUTR2
OUTL3
-
DAC
OUTR3
OUTL4
-
DAC
OUTR4
FILTD
V FILTR
REF
1 5 0 5 8 2 9 9 4
m
co
9 9
2 8 9 9