AD1938YSTZ Analog Devices Inc, AD1938YSTZ Datasheet - Page 8

IC CODEC 24BIT 4ADC/8DAC 48LQFP

AD1938YSTZ

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

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

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AD1938
ABSOLUTE MAXIMUM RATINGS
Table 8.
Parameter
Analog (AVDD)
Digital (DVDD)
Input Current (Except Supply Pins)
Analog Input Voltage (Signal Pins)
Digital Input Voltage (Signal Pins)
Operating Temperature Range (Case)
Storage Temperature Range
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
Rating
−0.3 V to +3.6 V
−0.3 V to +3.6 V
±20 mA
–0.3 V to AVDD + 0.3 V
−0.3 V to DVDD + 0.3 V
−40°C to +125°C
−65°C to +150°C
Rev. C | Page 8 of 32
THERMAL RESISTANCE
 θ
represents the thermal resistance, junction-to-case. All
characteristics are for a 4-layer board.
Table 9. Thermal Resistance
Package Type
48-Lead LQFP
ESD CAUTION
JA
represents thermal resistance, junction-to-ambient; θ
θ
50.1
JA
θ
17
JC
Unit
°C/W
JC

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