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3 7 63 1515 0
AD1837 (IC711: 1U-3694)
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
www
47
MCLK
48
ADVDD
49
ASDATA
.
50
COUT
51
CCLK
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52
51
50
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
x
ao
u163
Digital Output Driver Power Supply
y
O
ADC Serial Data Output
i
O
Output for Control Data
I
Control Clock Input for Control Data
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2 9
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
CONTROL PORT
CLOCK
VOLUME
DIGITAL
FILTER
VOLUME
VOLUME
DIGITAL
FILTER
VOLUME
VOLUME
DIGITAL
FILTER
VOLUME
VOLUME
DIGITAL
Q Q
FILTER
VOLUME
3
6 7
1 3
1 5
DGND AGND AGND AGND AGND
Description
co
.
24
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
0 5
8
OUTR4
2 9
9 4
FILTD
V
FILTR
REF
m
S-101
9 9
2 8
9 9

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