AD1938YSTZ Analog Devices Inc, AD1938YSTZ Datasheet - Page 21
![IC CODEC 24BIT 4ADC/8DAC 48LQFP](/photos/6/59/65923/505-48-lqfp_sml.jpg)
AD1938YSTZ
Manufacturer Part Number
AD1938YSTZ
Description
IC CODEC 24BIT 4ADC/8DAC 48LQFP
Manufacturer
Analog Devices Inc
Type
General Purposer
Datasheet
1.AD1938YSTZRL.pdf
(32 pages)
Specifications of AD1938YSTZ
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 / 106
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
48-LQFP
Audio Codec Type
Audio
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
108dB
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AD1938YSTZ
Manufacturer:
NXP
Quantity:
35
Company:
Part Number:
AD1938YSTZ
Manufacturer:
ADI
Quantity:
227
Company:
Part Number:
AD1938YSTZ
Manufacturer:
Analog Devices Inc
Quantity:
10 000
Part Number:
AD1938YSTZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Company:
Part Number:
AD1938YSTZRL
Manufacturer:
Analog Devices Inc
Quantity:
10 000
OF THE SECOND AD193x
OF THE SECOND AD193x
SDATA
SDATA
SDATA
SDATA
LRCLK
LRCLK
LRCLK
LRCLK
ASDATA1 (TDM_OUT
BCLK
BCLK
BCLK
BCLK
ASDATA2 (TDM_IN
IN THE CHAIN)
IN THE CHAIN)
NOTES
1. DSP MODE DOES NOT IDENTIFY CHANNEL.
2. LRCLK NORMALLY OPERATES AT
3. BCLK FREQUENCY IS NORMALLY 64 × LRCLK BUT MAY BE OPERATED IN BURST MODE.
ALRCLK
ABCLK
MSB
AD193x
FIRST
MSB
MSB
ADC L1 ADC R1 ADC L2 ADC R2 ADC L1 ADC R1 ADC L2 ADC R2
ADC L1 ADC R1 ADC L2 ADC R2
SECOND IC IN THE CHAIN
SECOND
4 ADC CHANNELS OF
AD193x
MSB
Figure 22. ADC TDM Daisy-Chain Mode (512 f
LEFT CHANNEL
LEFT CHANNEL
LEFT CHANNEL
DSP
f
S
RIGHT-JUSTIFIED MODE—SELECT NUMBER OF BITS PER CHANNEL
EXCEPT FOR DSP MODE WHICH IS 2 ×
LEFT-JUSTIFIED MODE—16 BITS TO 24 BITS PER CHANNEL
I
2
S-JUSTIFIED MODE—16 BITS TO 24 BITS PER CHANNEL
LSB
DSP MODE—16 BITS TO 24 BITS PER CHANNEL
FIRST IC IN THE CHAIN
4 ADC CHANNELS OF
Figure 23. Stereo Serial Modes
LSB
LSB
Rev. C | Page 21 of 32
LSB
1/
f
S
MSB
S
f
S
BCLK, Two-AD193x Daisy Chain)
.
MSB
MSB
MSB
32 BITS
MSB
RIGHT CHANNEL
RIGHT CHANNEL
RIGHT CHANNEL
LSB
LSB
LSB
LSB
AD1938