AD1938YSTZ Analog Devices Inc, AD1938YSTZ Datasheet - Page 5

• 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

DIGITAL INPUT/OUTPUT SPECIFICATIONS
−40°C < T
Table 4.
Parameter
High Level Input Voltage (V
High Level Input Voltage (V
Low Level Input Voltage (V
Input Leakage
High Level Output Voltage (V
Low Level Output Voltage (V
Input Capacitance
POWER SUPPLY SPECIFICATIONS
Table 5.
Parameter
SUPPLIES
DISSIPATION
POWER SUPPLY REJECTION RATIO
Voltage
Digital Current
Analog Current
Operation
Power-Down, All Supplies
Signal at Analog Supply Pins
Normal Operation
Power-Down
Normal Operation
Power-Down
All Supplies
Digital Supply
Analog Supply
C
< +125°C, DVDD = 3.3 V ± 10%.
IL
IH
IH
)
OL
)
)
OH
)
)
Rev. C | Page 5 of 32
Conditions/Comments
MCLKI/XI pin
I
I
I
I
Conditions/Comments
DVDD
AVDD
Master clock = 256 f
f
f
f
f
Master clock = 256 f
1 kHz, 200 mV p-p
20 kHz, 200 mV p-p
IH
IL
OH
OL
S
S
S
S
= 48 kHz
= 96 kHz
= 192 kHz
= 48 kHz to 192 kHz
@ V
@ V
= 1 mA
= 1 mA
IL
IH
= 0.8 V
= 2.4 V
S
S
, 48 kHz
Min
2.0
2.2
DVDD − 0.60
Min
3.0
3.0
Typ
3.3
3.3
56
65
95
2.0
74
23
429
185
244
83
50
50
Typ
Max
3.6
3.6
Max
0.8
10
10
0.4
5
AD1938
Unit
V
V
mA
mA
mA
mA
mA
mA
mW
mW
mW
mW
dB
dB
Unit
V
V
V
µA
µA
V
V
pF