AD1939WBSTZ Просмотр технического описания (PDF) - Analog Devices
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AD1939WBSTZ Datasheet PDF : 32 Pages
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AD1939
Pin No.
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
In/Out
I
I
O
I/O
O
I/O
I/O
I
I/O
I
I
I
I
O
O
O
O
O
O
O
O
I
I
I
O
I
I
O
I
I
I
I
I
I
I
I
O
I
Mnemonic
VSUPPLY
VSENSE
VDRIVE
ASDATA2
ASDATA1
ABCLK
ALRCLK
CIN
COUT
DVDD
DGND
CCLK
CLATCH
OL1P
OL1N
OR1P
OR1N
OL2P
OL2N
OR2P
OR2N
AGND
AVDD
AGND
FILTR
AGND
NC
NC
AVDD
CM
ADC1LP
ADC1LN
ADC1RP
ADC1RN
ADC2LP
ADC2LN
ADC2RP
ADC2RN
LF
AVDD
NC
NC
Data Sheet
Description
5 V Input to Regulator, Emitter of Pass Transistor.
3.3 V Output of Regulator, Collector of Pass Transistor.
Drive for Base of Pass Transistor.
ADC Serial Data Output 2. Data Output from ADC2/TDM ADC data in/AUX DAC1 data
out (to external DAC1).
ADC Serial Data Output 1. Data Output from ADC1/TDM ADC data out/TDM data out.
Bit Clock for ADCs.
LR Clock for ADCs.
Control Data Input (SPI).
Control Data Output (SPI).
Digital Power Supply. Connect to digital 3.3 V supply.
Digital Ground.
Control Clock Input (SPI).
Latch Input for Control Data (SPI).
DAC 1 Left Positive Output.
DAC 1 Left Negative Output.
DAC 1 Right Positive Output.
DAC 1 Right Negative Output.
DAC 2 Left Positive Output.
DAC 2 Left Negative Output.
DAC 2 Right Positive Output.
DAC 2 Right Negative Output.
Analog Ground.
Analog Power Supply. Connect to analog 3.3 V supply.
Analog Ground.
Voltage Reference Filter Capacitor Connection. Bypass with 10 µF||100 nF to AGND.
Analog Ground.
No Connect.
No Connect.
Analog Power Supply. Connect to analog 3.3 V supply.
Common-Mode Reference Filter Capacitor Connection. Bypass with
47 µF||100 nF to AGND.
ADC1 Left Positive Input.
ADC1 Left Negative Input.
ADC1 Right Positive Input.
ADC1 Right Negative Input.
ADC2 Left Positive Input.
ADC2 Left Negative Input.
ADC2 Right Positive Input.
ADC2 Right Negative Input.
PLL Loop Filter, Return to AVDD.
Analog Power Supply. Connect to analog 3.3 V supply.
No Connect.
No Connect.
Rev. E | Page 10 of 32
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