AD1939YSTZ Analog Devices Inc, AD1939YSTZ Datasheet - Page 9

• Manufacturer Part Number: AD1939YSTZ
• Description: IC CODEC 24BIT ADC/DAC 64LQFP
• Manufacturer: Analog Devices Inc
• Type: General Purposer

Specifications of AD1939YSTZ

• Data Interface: Serial
• Resolution (bits): 24 b
• Number Of Adcs / Dacs: 4 / 8
• Sigma Delta: Yes
• S/n Ratio, Adcs / Dacs (db) Typ: 94 / 94
• Dynamic Range, Adcs / Dacs (db) Typ: 105 / 110
• Voltage - Supply, Analog: 3 V ~ 3.6 V
• Voltage - Supply, Digital: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 64-LQFP
• Audio Codec Type: Stereo
• No. Of Adcs: 4
• No. Of Dacs: 8
• No. Of Input Channels: 4
• No. Of Output Channels: 8
• Adc / Dac Resolution: 24bit
• Adcs / Dacs Signal To Noise Ratio: 112dB
• Single Supply Voltage (typ): 3.3/5V
• Single Supply Voltage (min): 3/4.5V
• Single Supply Voltage (max): 3.6/5.5V
• Package Type: LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Table 10. Pin Function Descriptions
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
In/Out
I
I
O
I
I
O
O
O
O
O
O
O
O
I
I/O
I
I
I/O
I/O
I
I/O
I/O
I
I
MCLKO/XO
NC = NO CONNECT
Mnemonic
AGND
MCLKI/XI
MCLKO/XO
AGND
AVDD
OL3P
OL3N
OR3P
OR3N
OL4P
OL4N
OR4P
OR4N
PD/RST
DSDATA4
DGND
DVDD
DSDATA3
DSDATA2
DSDATA1
DBCLK
DLRCLK
VSUPPLY
VSENSE
DSDATA4
MCLKI/XI
PD/RST
AGND
AGND
DGND
AVDD
OR3P
OR3N
OR4P
OR4N
OL3N
OL4N
OL3P
OL4P
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
64
17
Figure 2. 64-Lead LQFP, Differential Output, Pin Configuration
63
18
62
19
61
20
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 L4 and DAC R4/DAC TDM Data Out 2/AUX ADC 1 Data In.
Digital Ground.
Digital Power Supply. Connect to digital 3.3 V supply.
DAC Input 3. Input to DAC L3 and DAC R3/DAC TDM Data In 2/AUX DAC 2 Data Out.
DAC Input 2. Input to DAC L2 and DAC R2/DAC TDM Data Out 1/AUX ADC 1 Data In.
DAC Input 1. Input to DAC L1 and DAC R1/DAC TDM Data In 1/AUX ADC 2 Data In.
Bit Clock for DACs.
LR Clock for DACs.
5 V Input to Regulator, Emitter of Pass Transistor.
3.3 V Output of Regulator, Collector of Pass Transistor.
60
21
59
22
DIFFERENTIAL
Rev. C | Page 9 of 32
58
23
(Not to Scale)
AD1939
TOP VIEW
OUTPUT
57
24
56
25
55
26
54
27
53
28
52
29
51
30
50
31
49
32
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
AGND
FILTR
AGND
AVDD
AGND
OR2N
OR2P
OL2N
OL2P
OR1N
OR1P
OL1N
OL1P
CLATCH
CCLK
DGND
AD1939