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AD1882A Datasheet(PDF) 4 Page - Analog Devices

Part No. AD1882A
Description  High Definition Audio SoundMAX Codec
Download  20 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD1882A Datasheet(HTML) 4 Page - Analog Devices

 
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Rev. 0
|
Page 4 of 20
|
August 2008
AD1882A
SPECIFICATIONS
TEST CONDITIONS
PERFORMANCE
GENERAL SPECIFICATIONS
Parameter
Test Condition
Temperature
Digital Supply
Analog Supply
MIC_BIAS_IN (via Low-Pass Filter)
Sample Rate fS
Input Signal (Frequency Sine Wave)
Amplitude for THD + N
Analog Output Pass Band
25°C
3.3 V
3.3 V
5.0 V
48 kHz
1008 Hz
–3.0 dB Full Scale
20 Hz to 20 kHz
DAC
10 k
Ω Output Load: Line-Out Tests
32
Ω Output Load: Headphone Tests
ADC
0 dB Gain
Parameter
Min
Typ
Max
Unit
Line-Out Drive (10 k
Ω Loads—DAC to Pin)
Total Harmonic Distortion (THD + N)
Dynamic Range (–60 dB in Ref to fS A-Weighted)
Signal-to-Noise Ratio
–85
95
95
dB
dB
dB
Headphone Drive (32
Ω Loads—DAC to Pin)
Total Harmonic Distortion (THD + N)
Dynamic Range (–60 dB in Ref to fS A-Weighted)
Signal-to-Noise Ratio
–83
95
95
dB
dB
dB
Input Ports (Pin to ADC, Mic Boost = 0 dB)
Total Harmonic Distortion (THD + N)
Dynamic Range (–60 dB in Ref to fS A-Weighted)
Signal-to-Noise Ratio
–81
90
90
dB
dB
dB
Parameter
Min
Typ
Max
Unit
DIGITAL DECIMATION AND INTERPOLATION FILTERS—fS = 8 kHz to 96 kHz
1
Pass Band
0
0.4 f
S
Hz
Pass-Band Ripple
±0.005
dB
Stop Band
0.6 fS
Hz
Stop-Band Rejection
dB
Group Delay
+20
–100
1/fS
Group Delay Variation Over Pass Band
0
μs
ANALOG-TO-DIGITAL CONVERTERS
Resolution
24
Bits
Gain Error (Full-Scale Span Relative to Nominal Input Voltage)
2
±10
%
Interchannel Gain Mismatch (Difference of Gain Errors)
±0.5
dB
ADC Offset Error
1
±5mV
ADC Crosstalk1
Line Inputs (Input L, Ground R, Read R; Input R, Ground L, Read L)
–85
dB
Line Inputs to Other
–100
–80
dB


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