AD1888JST Analog Devices Inc, AD1888JST Datasheet - Page 5

• Manufacturer Part Number: AD1888JST
• Description: IC CODEC AUDIO-PC AC'97 48LQFP
• Manufacturer: Analog Devices Inc
• Series: SoundMAX®r
• Type: Audio Codec '97r

Specifications of AD1888JST

• Data Interface: Serial
• Resolution (bits): 16, 20 b
• Number Of Adcs / Dacs: 2 / 6
• Sigma Delta: No
• Dynamic Range, Adcs / Dacs (db) Typ: 80 / 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
• Single Supply Voltage (typ): 3.3/5V
• Single Supply Voltage (min): 3.15/4.75V
• Single Supply Voltage (max): 3.45/5.25V
• Package Type: LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Parameter
POWER SUPPLY
1
Parameter
POWER-DOWN STATES
1
2
Parameter
CLOCK SPECIFICATIONS
1
Guaranteed but not tested.
PR bits are controlled in Reg. 2Ah and 26h.
Values presented with V
Guaranteed but not tested.
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)
Fully Active
ADC
FRONT DAC
SURROUND DAC
CENTER/LFE DAC
ADC + ALL DACs
Mixer
ADC + Mixer
ALL DACs + Mixer
ADC + ALL DACs + Mixer
Standby
Headphone Standby
Input Clock Frequency (XTAL Mode or Clock Oscillator)
Input Clock Frequency (Reference Clock Mode)
Input Clock Frequency (USB Clock Mode)
Recommended Clock Duty Cycle
(At Both Analog and Digital Supply Pins, Both ADCs and DACs)
REFOUT
2
1
loaded.
DD
DD
)
DD
DD
)
)
)
PR[K:I]
000
000
000
010
101
111
000
000
111
111
111
000
1
1
Rev. A | Page 5 of 32
PR[6:0]
000 0000
000 0001
000 0010
000 0000
000 0000
000 0011
000 0100
000 0101
000 0110
000 0111
011 1111
100 0000
1
DV
53
44
46
46
46
12
52
45
31
12
0
52
DD
Min
4.75
3.15
Min
40
Typ
Typ
24.576
14.31818
48.000
50
Typ
563
70
53
−40
AV
70
66
61
61
61
33
44
39
14
8
0
65
DD
Typ
Max
5.25
3.45
Max
60
AD1888
Unit
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
Unit
MHz
MHz
MHz
%
Unit
V
V
mW
mA
mA
dB