AD1882A Просмотр технического описания (PDF) - Analog Devices
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AD1882A Datasheet PDF : 20 Pages
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AD1882A
SPECIFICATIONS
TEST CONDITIONS
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
DAC
ADC
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
10 kΩ Output Load: Line-Out Tests
32 Ω Output Load: Headphone Tests
0 dB Gain
PERFORMANCE
Parameter
Line-Out Drive (10 kΩ Loads—DAC to Pin)
Total Harmonic Distortion (THD + N)
Dynamic Range (–60 dB in Ref to fS A-Weighted)
Signal-to-Noise Ratio
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
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
GENERAL SPECIFICATIONS
Parameter
DIGITAL DECIMATION AND INTERPOLATION FILTERS—fS = 8 kHz to 96 kHz1
Pass Band
Pass-Band Ripple
Stop Band
Stop-Band Rejection
Group Delay
Group Delay Variation Over Pass Band
ANALOG-TO-DIGITAL CONVERTERS
Resolution
Gain Error (Full-Scale Span Relative to Nominal Input Voltage)2
Interchannel Gain Mismatch (Difference of Gain Errors)
ADC Offset Error1
ADC Crosstalk1
Line Inputs (Input L, Ground R, Read R; Input R, Ground L, Read L)
Line Inputs to Other
Min
Typ
Max
Unit
–85
dB
95
dB
95
dB
–83
dB
95
dB
95
dB
–81
dB
90
dB
90
dB
Min
Typ
Max
Unit
0
0.4 fS
Hz
±0.005
dB
0.6 fS
Hz
dB
+20
–100
1/fS
0
μs
24
Bits
±10
%
±0.5
dB
±5
mV
–85
dB
–100 –80
dB
Rev. 0 | Page 4 of 20 | August 2008
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