AD1885JST Analog Devices Inc, AD1885JST Datasheet - Page 3

• 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

DIGITAL DECIMATION AND INTERPOLATION FILTERS
Parameter
Passband
Passband Ripple
Transition Band
Stopband
Stopband Rejection
Group Delay
Group Delay Variation Over Passband
ANALOG-TO-DIGITAL CONVERTERS
Parameter
Resolution
Total Harmonic Distortion (THD
Dynamic Range (–60 dB Input THD+N Referenced to Full Scale, A-Weighted)
Signal-to-Intermodulation Distortion (CCIF Method)
ADC Crosstalk
Gain Error (Full-Scale Span Relative to Nominal Input Voltage)
Interchannel Gain Mismatch (Difference of Gain Errors)
ADC Offset Error
DIGITAL-TO-ANALOG CONVERTERS
Parameter
Resolution
Total Harmonic Distortion (THD) LINE_OUT
Total Harmonic Distortion (THD) HP_OUT (With 10 kΩ Load)
Dynamic Range LINE_OUT (–60 dB Input THD+N Referenced to Full Scale,
Signal-to-Intermodulation Distortion (CCIF Method)
Gain Error (Full-Scale Span Relative to Nominal Input Voltage)
Interchannel Gain Mismatch (Difference of Gain Errors)
DAC Crosstalk (Input L, Zero R, Measure R_OUT; Input R, Zero L,
Total Audible Out-of-Band Energy (Measured from 0.6 × F
ANALOG OUTPUT
Parameter
Full-Scale Output Voltage; LINE_OUT
Output Impedance
External Load Impedance
Output Capacitance
External Load Capacitance
Full-Scale Output Voltage; HP_OUT (0 dB Gain)
Output Capacitance
External Load Capacitance
V
V
V
Mute Click (Muted Output Minus Unmuted Midscale DAC Output)
Guaranteed, not tested.
Line Inputs (Input L, Ground R, Read R; Input R, Ground L, Read L)
LINE_IN to Other
REF
REFOUT
REFOUT
Measure L_OUT)
A-Weighted)
Current Drive
S
to 20 kHz)
Min
0
0.4 × F
0.6 × F
–74
Min
84
Min
85
Min
10
2.05
S
S
Typ
Typ
16
–84
87
85
–100
–90
Typ
16
–85
–75
90
–100
± 10
–40
Typ
1
2.83
15
1
2.25
2.25
± 5
Max
0.4 × F
± 0.09
0.6 × F
∞
12/F
0.0
Max
–90
–85
± 10
± 0.5
± 5
Max
± 0.7
–80
Max
800
100
100
32
2.45
5
S
S
S
AD1885
Unit
Hz
dB
Hz
Hz
dB
sec
µs
Unit
Bits
dB
dB
dB
dB
%
dB
mV
Unit
Bits
dB
dB
dB
dB
%
dB
dB
dB
Unit
V rms
V p-p
Ω
kΩ
pF
pF
V rms
pF
Ω
V
V
mA
mV
dB