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AD1981BJSTZ1 Datasheet(Fiches technique) 4 Page - Analog Devices

Numéro de pièce AD1981BJSTZ1
Description  AC 97 SoundMAX Codec
Télécharger  32 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

AD1981BJSTZ1 Datasheet(HTML) 4 Page - Analog Devices

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AD1981B
Rev. C | Page 4 of 32
Parameter
Min
Typ
Max
Unit
Step Size (+12 dB to −34.5 dB) (All Steps Tested):
MIC_IN, LINE_IN, CD, AUX, PHONE_IN, DAC
1.5
dB
Input Gain/Attenuation Range:
MIC_IN, LINE_IN, CD, AUX, PHONE_IN, DAC
46.5
dB
DIGITAL DECIMATION AND INTERPOLATION FILTERS1
Pass Band
0
0.4 × fS
Hz
Pass-Band Ripple
±0.09
dB
Transition Band
0.4 × fS
0.6 × fS
Hz
Stop Band
0.6 × fS
Hz
Stop-Band Rejection
−74
dB
Group Delay
16/fS
s
Group Delay Variation over Pass Band
0
µs
ANALOG-TO-DIGITAL CONVERTERS
Resolution
16
Bits
Total Harmonic Distortion (THD)
−84
dB
Dynamic Range (−60 dB Input THD + N Referenced to Full Scale, A-Weighted)
80
85
dB
Signal-to-Intermodulation Distortion1 (CCIF Method)
85
dB
ADC Crosstalk1
Line Inputs (Input L, Ground R, Read R; Input R, Ground L, Read L)
−80
dB
Line_In to Other
−100
−80
dB
Gain Error2 (Full-Scale Span Relative to Nominal Input Voltage)
±10
%
Interchannel Gain Mismatch (Difference of Gain Errors)
± 0.5
dB
ADC Offset Error1
±5
mV
DIGITAL-TO-ANALOG CONVERTERS
Resolution
20
Bits
Total Harmonic Distortion (THD) LINE_OUT
−85
dB
Total Harmonic Distortion (THD) HP_OUT
−75
dB
Dynamic Range (−60 dB Input THD + N Referenced to Full Scale, A-Weighted)
85
90
dB
Signal-to-Intermodulation Distortion1 (CCIF Method)
−100
dB
Gain Error2 (Output FS Voltage Relative to Nominal Output FS Voltage)
±10
%
Interchannel Gain Mismatch (Difference of Gain Errors)
±0.7
dB
DAC Crosstalk1 (Input L, Zero R, Measure R_OUT; Input R, Zero L, Measure
L_OUT)
−80
dB
Total Audible Out-of-Band Energy1 (Measured from 0.6 × fS to 20 kHz)
−40
dB
ANALOG OUTPUT
Full-Scale Output Voltage; LINE_OUT and MONO_OUT
1
V rms
2.83
V p-p
Output Impedance1
800
External Load Impedance1
10
kΩ
Output Capacitance1
15
pF
External Load Capacitance1
100
pF
Full-Scale Output Voltage; HP_OUT (0 dB Gain)
1
V rms
External Load Impedance1
32
VREF
2.05
2.25
2.45
V
VREFOUT (Programmable to 3.70 V Nominal)
2.25
V
VREFOUT Current Drive
5
mA
Mute Click (Muted Output Minus Unmuted Midscale DAC Output)
±5
mV
STATIC DIGITAL SPECIFICATIONS
High Level Input Voltage (VIH): Digital Inputs
0.65 × DVDD
V
Low Level Input Voltage (VIL)
0.35 × DVDD
V


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