12
12
AVR-1804/884 / AVC-1880
AD1837 (IC808)
AD1837 Terminal Function
Description
Pin No.
Pin Name
Input/
Output
1,39
DVDD
Digital Power Supply. Connect to digital 5V supply.
2
CLATCH
I
Latch Input for Control Data
33
CIN
I
Serial Control Input
4
PD/RST
I
Power-Down/Reset
5,10,16,24,30,35
AGND
Analog Ground
6,12,25,31
NC
Not connected
7,13,26,32
OUTLx
O
DACx Left Channel Output
8,14,27,33
NC
Not connected
9,15,28,34
OUTRx
O
DACx Right Channel Output
11,19,29
AVDD
Analog Power Supply. Connect to analog 5V supply.
17
FILTD
Filter Capacitor Connection. Recommend 10
µ
F/100nF.
18
FILTR
Reference Filter Capacitor Connection. Recommended 10
µ
F/100nF.
20
ADCLN
I
ADC Left Channel Negative Input
21
ADCLP
I
ADC Left Channel Positive Input
22
ADCRN
I
ADC Right Channel Negative Input
23
ADCRP
I
ADC Right Channel Positive Input
36
M/S
I
ADC Master/Slave Select
37
DLRCLK
I/O
DAC LR Clock
38
DBCLK
I/O
DAC Bit Clock
40,52
DGND
Digital Ground
41-44
DSDATAx
I
DACx Input Data (Left and Right Supply)
45
ABCLK
I/O
ADC Bit Clock
46
ALRCLK
I/O
ADC LR Clock
47
MCLK
I
Master Clock Input
48
ADVDD
Digital Output Driver Power Supply
49
ASDATA
O
ADC Serial Data Output
50
COUT
O
Output for Control Data
51
CCLK
I
Control Clock Input for Control Data
1
2
3
4
5
6
7
8
9
10
11
12
13
AGND
AVDD
OUTR2
NC
OUTL2
NC
OUTR1
NC
OUTL1
NC
PD/RST
CIN
CLATCH
DVDD
NC
OUTL3
NC
OUTR3
NC
OUTL4
NC
OUTR4
AGND
DLRCLK
DBCLK
DGND
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
52
51
50
49
48
47
46
45
44
43
42
41
40
FILTD
FILTR
AGND
M/S
AGND
AVDD
ADCLN
ADCLP
ADCRN
ADCRP
AGND
AGND
DGND
CCLK
COUT
ASDATA
ODVDD
MCLK
ALRCLK
ABCLK
DSDATA4
DSDATA3
DSDATA2
DSDATA1
DVDD
AVDD
TOP VIEW
OUTL1
CONTROL PORT
CLOCK
FILTD
FILTR
ADCLP
ADCLN
ADCRP
ADCRN
DLRCLK
DBCLK
DSDATA1
DSDATA2
DSDATA3
DSDATA4
MCLK
ASDATA
ABCLK
ALRCLK
ODVDD
DVDD DVDD
DGND AGND AGND AGND AGND
DGND
CIN
CLATCH
CCLK
COUT
DIGITAL
FILTER
PD/RST M/S AVDD AVDD
VOLUME
OUTR1
OUTL2
OUTR2
OUTL3
OUTR3
OUTL4
OUTR4
AD1837
DIGITAL
FILTER
SERIAL DATA
I/O PORT
VOLUME
VOLUME
VOLUME
VOLUME
VOLUME
VOLUME
VOLUME
DIGITAL
FILTER
DIGITAL
FILTER
DIGITAL
FILTER
DIGITAL
FILTER
V
REF
Σ
-
∆
ADC
Σ
-
∆
ADC
Σ
-
∆
DAC
Σ
-
∆
DAC
Σ
-
∆
DAC
Σ
-
∆
DAC
Summary of Contents for AVC-1880
Page 20: ...20 20 AVR 1804 884 AVC 1880 PRINTED WIRING BOARDS MAIN P W B UNIT COMPONENT SIDE ...
Page 21: ...21 21 AVR 1804 884 AVC 1880 FOIL SIDE ...
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Page 26: ...26 26 AVR 1804 884 AVC 1880 CNT P W B UNIT FOR JAPAN MODEL COMPONENT SIDE ...
Page 27: ...27 27 AVR 1804 884 AVC 1880 FOIL SIDE ...
Page 28: ...28 28 AVR 1804 884 AVC 1880 INPUT PRE AMP P W B UNIT COMPONENT SIDE ...
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Page 30: ...30 30 AVR 1804 884 AVC 1880 DSP P W B UNIT COMPONENT SIDE ...
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Page 32: ...32 32 AVR 1804 884 AVC 1880 C VIDEO P W B UNIT COMPONENT SIDE ...
Page 33: ...33 33 AVR 1804 884 AVC 1880 FOIL SIDE ...