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AD1884 Datasheet(PDF) 4 Page - Analog Devices

Part No. AD1884
Description  High Definition Audio SoundMAX Codec
Download  16 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD1884 Datasheet(HTML) 4 Page - Analog Devices

 
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AD1884
AD1884 SPECIFICATIONS
TEST CONDITIONS
Parameter
Test Condition
Temperature
25°C
Digital Supply
3.3 V
Analog Supply
3.3 V
MIC_BIAS_IN (via Low-Pass Filter)
5.0 V
Sample Rate fS
48 kHz
Input Signal (Frequency Sine Wave) 1008 Hz
Amplitude for THD + N
–3.0 dB Full Scale
Analog Output Pass Band
20 Hz to 20 kHz
DAC
ADC
PERFORMANCE
10 k
Ω Output Load: Line Out Tests
32
Ω Output Load: Headphone Tests
0 dB Gain
Parameter
Min
Typ
Max
Unit
Line Out Drive (10 k
Ω loads—DAC to Pin)
Total Harmonic Distortion (THD + N)
–84
dB
Dynamic Range (–60 dB in ref to fS A-Weighted)
90
dB
Signal-to-Noise Ratio
90
dB
Headphone Drive (32
Ω loads—DAC to Pin)
Total Harmonic Distortion (THD + N)
–74
dB
Dynamic Range (–60 dB in ref to fS A-Weighted)
90
dB
Signal-to-Noise Ratio
90
dB
Microphone/Line In (Pin to ADC, Mic Boost = 0 dB)
Total Harmonic Distortion (THD + N)
–78
dB
Dynamic Range (–60 dB in ref to fS A-Weighted)
85
dB
Signal-to-Noise Ratio
85
dB
GENERAL SPECIFICATIONS
Parameter
Min
Typ
Max
Unit
DIGITAL DECIMATION AND INTERPOLATION FILTERS1
Pass Band – f
S (kHz) = 8 ~ 192
Pass-Band Ripple– f
S (kHz) = 8 ~ 192
Stop Band – f
S (kHz) = 8 ~ 192
Stop-Band Rejection – f
S (kHz) = 8 ~ 192
Group Delay – f
S (kHz) = 8 ~ 192
Group Delay Variation Over Pass Band
0
0.6 fS
20
0
0.4 fS
±0.005
–100
Hz
dB
Hz
dB
1/fS
μs
ANALOG TO DIGITAL CONVERTERS
Resolution
Gain Error
2 (Full-Scale Span Relative to Nominal Input Voltage)
Interchannel Gain Mismatch (Difference of Gain Errors)
ADC Offset Error
1
ADC Crosstalk1
Line Inputs (Input L, Ground R, Read R; Input R, Ground L, Read L)
Line_In to Other
24
±0.2
–85
–100
±10
±0.5
±5
–80
Bits
%
dB
mV
dB
dB
Rev. 0
|
Page 4 of 16
|
January 2007


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