AD1938YSTZ Analog Devices Inc, AD1938YSTZ Datasheet - Page 6

• Manufacturer Part Number: AD1938YSTZ
• Description: IC CODEC 24BIT 4ADC/8DAC 48LQFP
• Manufacturer: Analog Devices Inc
• Type: General Purposer

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

AD1938
DIGITAL FILTERS
Table 6.
Parameter
ADC DECIMATION FILTER
DAC INTERPOLATION FILTER
Pass Band
Pass-Band Ripple
Transition Band
Stop Band
Stop-Band Attenuation
Group Delay
Pass Band
Pass-Band Ripple
Transition Band
Stop Band
Stop-Band Attenuation
Group Delay
Mode
All modes, typical @ 48 kHz
48 kHz mode, typical @ 48 kHz
96 kHz mode, typical @ 96 kHz
192 kHz mode, typical @ 192 kHz
48 kHz mode, typical @ 48 kHz
96 kHz mode, typical @ 96 kHz
192 kHz mode, typical @ 192 kHz
48 kHz mode, typical @ 48 kHz
96 kHz mode, typical @ 96 kHz
192 kHz mode, typical @ 192 kHz
48 kHz mode, typical @ 48 kHz
96 kHz mode, typical @ 96 kHz
192 kHz mode, typical @ 192 kHz
48 kHz mode, typical @ 48 kHz
96 kHz mode, typical @ 96 kHz
192 kHz mode, typical @ 192 kHz
48 kHz mode, typical @ 48 kHz
96 kHz mode, typical @ 96 kHz
192 kHz mode, typical @ 192 kHz
Rev. C | Page 6 of 32
Factor
0.4375 f
0.5 f
0.5625 f
22.9844/f
0.4535 f
0.3646 f
0.3646 f
0.5 f
0.5 f
0.5 f
0.5465 f
0.6354 f
0.6354 f
25/f
11/f
8/f
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
Min
79
35
70
70
70
Typ
21
±0.015
24
27
479
22
70
24
48
96
26
61
122
521
115
42
Max
±0.01
±0.05
±0.1
Unit
kHz
dB
kHz
kHz
dB
µs
kHz
kHz
kHz
dB
dB
dB
kHz
kHz
kHz
kHz
kHz
kHz
dB
dB
dB
µs
µs
µs