AD1939WBSTZ Ver la hoja de datos (PDF) - Analog Devices
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AD1939WBSTZ Datasheet PDF : 32 Pages
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Data Sheet
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
AD1939
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
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
PD/RST 14
DSDATA4 15
DGND 16
AD1939
TOP VIEW
(Not to Scale)
DIFFERENTIAL
OUTPUT
48 AGND
47 FILTR
46 AGND
45 AVDD
44 AGND
43 OR2N
42 OR2P
41 OL2N
40 OL2P
39 OR1N
38 OR1P
37 OL1N
36 OL1P
35 CLATCH
34 CCLK
33 DGND
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
NC = NO CONNECT
Figure 2. 64-Lead LQFP, Differential Output, Pin Configuration
Table 10. Pin Function Descriptions
Pin No.
In/Out Mnemonic
1
I
AGND
2
I
MCLKI/XI
3
O
MCLKO/XO
4
I
AGND
5
I
AVDD
6
O
OL3P
7
O
OL3N
8
O
OR3P
9
O
OR3N
10
O
OL4P
11
O
OL4N
12
O
OR4P
13
O
OR4N
14
I
PD/RST
15
I/O
DSDATA4
16
I
DGND
17
I
DVDD
18
I/O
DSDATA3
19
I/O
DSDATA2
20
I
DSDATA1
21
I/O
DBCLK
22
I/O
DLRCLK
Description
Analog Ground.
Master Clock Input/Crystal Oscillator Input.
Master Clock Output/Crystal Oscillator Output.
Analog Ground.
Analog Power Supply. Connect to analog 3.3 V supply.
DAC 3 Left Positive Output.
DAC 3 Left Negative Output.
DAC 3 Right Positive Output.
DAC 3 Right Negative Output.
DAC 4 Left Positive Output.
DAC 4 Left Negative Output.
DAC 4 Right Positive Output.
DAC 4 Right Negative Output
Power-Down Reset (Active Low).
DAC Serial Data Input 4. Data input to DAC4 data in/TDM DAC2 data out (dual-line
mode)/AUX DAC2 data out (to external DAC2).
Digital Ground.
Digital Power Supply. Connect to digital 3.3 V supply.
DAC Serial Data Input 3. Data input to DAC3 data in/TDM DAC2 data in (dual-line
mode)/AUX ADC2 data in (from external ADC2).
DAC Serial Data Input 2. Data input to DAC2 data in/TDM DAC data out/AUX ADC1
data in (from external ADC1).
DAC Serial Data Input 1. Data input to DAC1 data in/TDM DAC data in/TDM data in.
Bit Clock for DACs.
LR Clock for DACs.
Rev. E | Page 9 of 32
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