Ad1837 (Ic808); Ad1837 Terminal Function - Denon AVR-1804 Service Manual

AD1837 (IC808)

DLRCLK
DBCLK
DSDATA1
DSDATA2
DSDATA3
DSDATA4
ADCLP
ADCLN
ADCRP
ADCRN

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
48 ADVDD
49 ASDATA
50 COUT
51 CCLK
48
52 51 50 49
DVDD 1
CLATCH 2
CIN
3
PD/RST
4
AGND
5
NC
6
TOP VIEW
OUTL1
7
NC
8
OUTR1
9
AGND
10
AVDD
11
NC
12
OUTL2
13
14 15 16 17 18
DVDD DVDD ODVDD ALRCLK ABCLK ASDATA
SERIAL DATA
I/O PORT
-
DIGITAL
ADC
FILTER
DIGITAL
-
FILTER
ADC
AD1837
DGND DGND AGND AGND AGND AGND
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
O Output for Control Data
I Control Clock Input for Control Data
AVR-1804/884 / AVC-1880
47 46 45 44 43 42 41 40
DVDD
39
DBCLK
38
DLRCLK
37
M/S
36
AGND
35
34 OUTR4
NC
33
OUTL4
32
NC
31
AGND
30
AVDD
29
OUTR3
28
NC
27
19 20 21 22 23 24 25 26
CCLK CLATCH CIN COUT MCLK PD/RST M/S AVDD AVDD
CONTROL PORT CLOCK
VOLUME
DIGITAL
FILTER
VOLUME
VOLUME
DIGITAL
FILTER
VOLUME
VOLUME
DIGITAL
FILTER
VOLUME
VOLUME
DIGITAL
FILTER
VOLUME
Description
12
OUTL1
-
DAC
OUTR1
OUTL2
-
DAC
OUTR2
OUTL3
-
DAC
OUTR3
OUTL4
-
DAC
OUTR4
FILTD
V FILTR
REF
12