ad1939xstzrl Analog Devices, Inc., ad1939xstzrl Datasheet - Page 17

• Manufacturer Part Number: ad1939xstzrl
• Description: 4 Adc/8 Dac With Pll, 192 Khz, 24 Bit Codec
• Manufacturer: Analog Devices, Inc.

Preliminary Technical Data
64-Lead LQFP Plastic Package – AD1937, AD1939
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
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
40
41
42
43
44
45
46
47
48
49
50
51
In/Out
I
I
I
I
I
O
O
O
O
O
O
O
O
I
I
I
I
I
I
I
I/O
I/O
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
Mnemonic
AGND
MCLKI/XI
MCLK/XO
AGND
AVDD
OL3P
OL3N
OR3P
OR3N
OL4P
OL4N
OR4P
OR4N
PD/RST
DSDATA4
DGND
DVDD
DSDATA3
DSDATA2
DSDATA1
DBCLK
DLRCLK
VSUPPLY
VSENSE
VDRIVE
ASDATA2
ASDATA1
ABCLK
ALRCLK
CIN/ADR0
COUT/SDA
DVDD
DGND
CCLK/SCL
CLATCH/ADR1
OL1P
OL1N
OR1P
OR1N
OL2P
OL2N
OR2P
OR2N
AGND
AVDD
AGND
FILTR
AGND
AVDD
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 Input 4 (Input to DAC 4 L and R).
Digital Ground.
Digital Power Supply. Connect to digital 3.3 V supply.
DAC Input 3 (Input to DAC 3 L and R).
DAC Input 2 (Input to DAC 2 L and R).
DAC Input 1 (Input to DAC 1 L and R).
Bit Clock for DACs.
LR Clock for DACs.
+5V Input to Regulator, Emitter of Pass Transistor
+3.3V Output of Regulator, Collector of Pass Transistor
Drive for Base of Pass Transistor
ADC Serial Data Output 2 (ADC 2 L and R).
ADC Serial Data Output 1 (ADC 1 L and R).
Bit Clock for ADCs.
LR Clock for ADCs.
Control Data Input (SPI)/Address 0 (I
Control Data Output (SPI)/Serial Data (I
Digital Power Supply. Connect to digital 3.3 V supply.
Digital Ground.
Control Clock Input (SPI)/Serial Clock (I
Latch Input for Control Data (SPI)/Address 1 (I
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.
Rev. PrI | Page 17 of 30
AD1935/AD1936/AD1937/AD1938/AD1939
2
C).
2
2
C).
C).
2
C).