AD1939YSTZ Analog Devices Inc, AD1939YSTZ Datasheet - Page 20

• 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
OF THE SECOND AD1939
OF THE SECOND AD1939
ASDATA1 (TDM_OUT
Figure 19. Dual-Line DAC TDM Mode (Applicable to 96 kHz Sample Rate, 16-Channel, Two-AD1939 Daisy Chain); DSDATA3 and DSDATA4 Are the Daisy Chain
ASDATA2 (TDM_IN
DSDATA1
DSDATA2
DLRCLK
DSDATA1
DSDATA2
DSDATA3
DSDATA4
DBCLK
DLRCLK
IN THE CHAIN)
IN THE CHAIN)
DBCLK
(OUT)
(OUT)
(IN)
(IN)
ALRCLK
AD1939
ABCLK
FIRST
AD1939
FIRST
DAC L1
DAC L3
8 DAC CHANNELS OF THE FIRST IC IN THE CHAIN
SECOND
AD1939
MSB
ADC L1
ADC L1
DAC L1
DAC L3
MSB
SECOND
AD1939
Figure 20. Dual-Line DAC TDM Mode (Applicable to 192 kHz Sample Rate, 8-Channel Mode)
4 ADC CHANNELS OF SECOND IC IN THE CHAIN
DAC R1
DAC R3
32 BITS
Figure 21. ADC TDM Daisy-Chain Mode (256 f
32 BITS
DSP
ADC R1
ADC R1
DSP
DAC L2
DAC L4
ADC L2
ADC L2
DAC R1
DAC R3
DAC R2
DAC R4
Rev. C | Page 20 of 32
ADC R2
ADC R2
DAC L1
DAC L1
DAC L3
DAC L3
S
8 DAC CHANNELS OF THE SECOND IC IN THE CHAIN
ABCLK, Two-AD1939 Daisy Chain)
ADC L1
DAC L2
DAC L4
MSB
4 ADC CHANNELS OF FIRST IC IN THE CHAIN
32 BITS
DAC R1
DAC R1
DAC R3
DAC R3
ADC R1
DAC L2
DAC L2
DAC L4
DAC L4
ADC L2
DAC R2
DAC R4
DAC R2
DAC R2
DAC R4
DAC R4
ADC R2