26
AVR-2805/985/AVC-2890
AD1835 (AD: IC611)
PIN FUNCTION DESCRIPTIONS
Input/
Pin Number
Mnemonic
Output
Description
1, 39
DVDD
Digital Power Supply. Connect to digital 5 V supply.
2
CLATCH
I
Latch Input for Control Data
3
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
OUTLNx
O
DACx Left Channel Negative Output
7, 13, 26, 32
OUTLPx
O
DACx Left Channel Positive Output
8, 14, 27, 33
OUTRNx
O
DACx Right Channel Negative Output
9, 15, 28, 34
OUTRPx
O
DACx Right Channel Positive Output
11, 19, 29
AVDD
Analog Power Supply. Connect to analog 5 V supply.
Filter Capacitor Connection. Recommended 10
µ
F/100 nF.
Reference Filter Capacitor Connection. Recommended 10
µ
F/100 nF.
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 Channels)
I/O
ADC Bit Clock
46
ALRCLK
I/O
ADC LR Clock
47
MCLK
I
Master Clock Input
48
ODVDD
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
OUTRP2
OUTRN2
OUTLP2
OUTLN2
OUTRP1
OUTRN1
OUTLP1
OUTLN1
PD
/
RST
CIN
CLATCH
DVDD
OUTLN3
OUTLP3
OUTRN3
OUTRP3
OUTLN4
OUTLP4
OUTRN4
OUTRP4
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
AD1835
TOP VIEW
(Not to Scale)
NC
ⴝ
NO CONNECT
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