AD1939YSTZ Analog Devices Inc, AD1939YSTZ Datasheet - Page 10

• 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

AD1939
Pin No.
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
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
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
Description
Drive for Base of Pass Transistor.
ADC Serial Data Output 2 (ADC L2 and ADC R2)/ADC TDM Data Input/AUX DAC 1
Data Output.
ADC Serial Data Output 1 (ADC L1 and ADC R1)/ADC TDM Data Output.
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. C | Page 10 of 32