AD1885JST Analog Devices Inc, AD1885JST Datasheet - Page 4

• Manufacturer Part Number: AD1885JST
• Description: IC AUDIO CODEC AC'97 48-LQFP
• Manufacturer: Analog Devices Inc
• Series: SoundMAX®r
• Type: Audio Codec '97r

Specifications of AD1885JST

• Rohs Status: RoHS non-compliant
• Data Interface: Serial
• Resolution (bits): 16 b
• Number Of Adcs / Dacs: 2 / 2
• Sigma Delta: Yes
• Dynamic Range, Adcs / Dacs (db) Typ: 87 / 90
• Voltage - Supply, Analog: 4.75 V ~ 5.25 V
• Voltage - Supply, Digital: 3.15 V ~ 3.45 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP

AD1885–SPECIFICATIONS
STATIC DIGITAL SPECIFICATIONS
Parameter
High-Level Input Voltage (V
Low-Level Input Voltage (V
High-Level Output Voltage (V
Low-Level Output Voltage (V
Input Leakage Current
Output Leakage Current
POWER SUPPLY
Parameter
Power Supply Range—Analog (AV
Power Supply Range—Digital (DV
Power Dissipation—5 V/3.3 V
Analog Supply Current—5 V (AV
Digital Supply Current—3.3 V (DV
Power Supply Rejection (100 mV p-p Signal @ 1 kHz)
CLOCK SPECIFICATIONS
Parameter
Input Clock Frequency
Recommended Clock Duty Cycle
POWER-DOWN MODE
Parameter
ADC
DAC
ADC and DAC
ADC + DAC + Mixer (Analog CD On)
Mixer
ADC + Mixer
DAC + Mixer
ADC + DAC + Mixer
Analog CD Only (AC-Link On)
Analog CD Only (AC-Link Off)
Standby
Headphone Standby
NOTES
Output jitter is directly dependent on crystal input jitter.
Specifications subject to change without notice.
Guaranteed, not tested.
(At Both Analog and Digital Supply Pins, Both ADCs and DACs)
IL
IH
)
OL
OH
): Digital Inputs
), I
), I
DD
DD
DD
OL
DD
OH
)
)
)
= 2 mA
)
= 2 mA
Set Bits
PR0
PR1
PR1, PR0
LPMIX, PR1, PR0
PR2
PR2, PR0
PR2, PR1
PR2, PR1, PR0
LPMIX, PR5, PR1, PR0
LPMIX, PR1, PR0, PR4, PR5
PR5, PR4, PR3, PR2, PR1, PR0
PR6
DV
Typ
20
20
8
8
21
19
19
8
7
0
0
21
DD
(3.3 V)
Min
0.65 × DV
0.9 × DV
–10
–10
Min
4.75
3.15
Min
40
DD
DD
Typ
355
50
21
40
Typ
24.576
50
Typ
AV
Typ
44
41
35
26
23
18
15
10
22
12
0.1
38
DD
Max
0.35 × DV
0.1 × DV
10
10
(5 V)
Max
5.25
3.45
Max
60
DD
DD
Unit
V
V
V
V
µA
µA
Unit
V
V
mW
mA
mA
dB
Unit
MHz
%
Unit
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA