ad1939xstzrl Analog Devices, Inc., ad1939xstzrl Datasheet - Page 19

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

Preliminary Technical Data
Pin No.
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
PIN CONFIGURATION
In/Out
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
OL1
OR1
OL2
OR2
AGND
AVDD
AGND
FILTR
AGND
AVDD
CM
ADC1LP
ADC1LN
ADC1RP
ADC1RN
ADC2LP
ADC2LN
ADC2RP
ADC2RN
LF
AVDD
Description
DAC 1 Left Output.
No Connect.
DAC 1 Right Output.
No Connect.
DAC 2 Left Output.
No Connect.
DAC 2 Right Output.
No Connect.
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 10 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.
MCLKO/XO
DSDATA4
MCLKI/XI
Figure 20. Single-ended Output 48-Lead LQFP (AD1936, AD1938)
PD/RST
DGND
Table 15. Pin Function Description—64-Lead LQFP (AD1935)
AGND
AGND
AVDD
OR3
OR4
OL3
OL4
10
11
12
1
2
3
4
5
6
8
9
7
48 47 46 45 44
13 14 15 16 17 18 19 20 21 22 23 24
Preliminary
Rev. PrI | Page 19 of 30
Single-ended
(Not to Scale)
TOP VIEW
AD193X
Output
43 42 41 40
AD1935/AD1936/AD1937/AD1938/AD1939
39 38 37
36
35
34
33
32
31
30
29
28
26
25
27
AGND
FILTR
AGND
AVDD
AGND
OR2
OL2
OR1
OL1
CLATCH/ADR1
CCLK/SCL
DGND