AD1939YSTZ Analog Devices Inc, AD1939YSTZ Datasheet - Page 28

• 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
Table 25. ADC Control 2 Register
Bit
0
1
2
3
5:4
6
7
Value
0
1
0
1
0
1
0
1
00
01
10
11
0
1
0
1
Function
50/50 (allows 32, 24, 20, or 16 bit clocks (BCLKs)
per channel)
Pulse (32 BCLKs per channel)
Drive out on falling edge (DEF)
Drive out on rising edge
Left low
Left high
Slave
Master
64
128
256
512
Slave
Master
ABCLK pin
Internally generated
Rev. C | Page 28 of 32
Description
LRCLK format
BCLK polarity
LRCLK polarity
LRCLK master/slave
BCLKs per frame
BCLK master/slave
BCLK source