Datasheet

AD1933 Data Sheet
Rev. E | Page 8 of 28
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
NC
64
NC
63
AVDD
62
LF
61
NC
60
NC
59
NC
58
NC
57
NC
56
NC
55
NC
54
NC
53
CM
52
AVDD
51
NC
50
NC
49
DVDD
17
DSDATA3
18
DSDATA2
19
DSDATA1
20
DBCLK
21
DLRCLK
22
VSUPPLY
23
VSENSE
24
VDRIVE
25
AUXDATA1
26
NC
27
AUXTDMBCLK
28
AUXTDMLRCLK
29
CIN
30
COUT
31
DVDD
32
AGND
1
MCLKI/XI
2
MCLKO/XO
3
AGND
4
AVDD
5
OL3P
6
OL3N
7
OR3P
8
OR3N
9
OL4P
10
OL4N
11
OR4P
12
OR4N
13
RST
14
DSDATA4
15
DGND
16
AGND
48
FILTR
47
AGND
46
AVDD
45
AGND
44
OR2N
43
OR2P
42
OL2N
41
OL2P
40
OR1N
39
OR1P
38
OL1P
36
CLATCH
35
CCLK
34
DGND
33
OL1N
37
AD1933
TOP VIEW
(Not to Scale)
DIFFERENTIAL
OUTPUT
NC = NO CONNECT
06624-002
Figure 2. Pin Configuration
Table 10. Pin Function Descriptions
Pin No. Input/Output Mnemonic Description
1 I AGND Analog Ground.
2 I MCLKI/XI Master Clock Input/Crystal Oscillator Input.
3 O MCLKO/XO Master Clock Output/Crystal Oscillator Output.
4 I AGND Analog Ground.
5 I AVDD Analog Power Supply. Connect to analog 3.3 V supply.
6 O OL3P DAC 3 Left Positive Output.
7 O OL3N DAC 3 Left Negative Output.
8 O OR3P DAC 3 Right Positive Output.
9 O OR3N DAC 3 Right Negative Output.
10 O OL4P DAC 4 Left Positive Output.
11 O OL4N DAC 4 Left Negative Output.
12 O OR4P DAC 4 Right Positive Output.
13 O OR4N DAC 4 Right Negative Output.
14 I
RST
Reset (Active Low).
15 I/O DSDATA4 DACSerial Data Input 4. Input to DAC4 data in/TDM DAC2 data out (dual-line mode)/AUX
DAC2 data out (to external DAC2).
16 I DGND Digital Ground.
17 I DVDD Digital Power Supply. Connect to digital 3.3 V supply.
18 I/O DSDATA3 DAC Serial Data Input 3. Data input to DAC3 in/TDM DAC2 data in (dual-line mode)/AUX
not used.
19 I/O DSDATA2 DAC Serial Data Input 2. Data input to DAC2 data in/TDM DAC data out/AUX not used.
20
I
DSDATA1
DAC Serial Data Input 1. Data input to DAC1 data in/TDM DAC data in/AUX TDM data in.
21
I/O
DBCLK
Bit Clock for DACs. Regular stereo, TDM, or daisy-chain TDM mode.
22 I/O DLRCLK LR Clock for DACs. Regular stereo, TDM, or daisy-chain TDM mode.