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ADAU1401A Datasheet(PDF) 3 Page - Analog Devices

Part # ADAU1401A
Description  SigmaDSP 28-/56-Bit Audio Processor with Two ADCs and Four DACs
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

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ADAU1401A
Rev. 0 | Page 3 of 3
SPECIFICATIONS
AVDD = 3.3 V, DVDD = 1.8 V, PVDD = 3.3 V, IOVDD = 3.3 V, master clock input = 12.288 MHz, unless otherwise noted.
ANALOG PERFORMANCE
Specifications are guaranteed at 25°C (ambient).
Table 1.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
ADC INPUTS
Number of Channels
2
Stereo input
Resolution
24
Bits
Full-Scale Input
100 (283)
μA rms (μA p-p)
2 V rms input with 20 kΩ (18 kΩ external + 2 kΩ internal)
series resistor
Signal-to-Noise Ratio
A-Weighted
100
dB
Dynamic Range
−60 dB with respect to full-scale analog input
A-Weighted
95
100
dB
Total Harmonic Distortion + Noise
−83
dB
−3 dB with respect to full-scale analog input
Interchannel Gain Mismatch
25
300
mdB
Crosstalk
−82
dB
Analog channel-to-channel crosstalk
DC Bias
1.4
1.5
1.6
V
Gain Error
−11
+11
%
DAC OUTPUTS
Number of Channels
4
Two stereo output channels
Resolution
24
Bits
Full-Scale Analog Output
0.9 (2.5)
V rms (V p-p)
Sine wave
Signal-to-Noise Ratio
A-Weighted
104
dB
Dynamic Range
−60 dB with respect to full-scale analog output
A-Weighted
99
104
dB
Total Harmonic Distortion + Noise
−90
dB
−1 dB with respect to full-scale analog output
Crosstalk
−100
dB
Analog channel-to-channel crosstalk
Interchannel Gain Mismatch
25
250
mdB
Gain Error
−10
+10
%
DC Bias
1.4
1.5
1.6
V
VOLTAGE REFERENCE
Absolute Voltage, CM Pin
1.4
1.5
1.6
V
AUXILIARY ADC
Full-Scale Analog Input
2.8
2.95
3.1
V
INL
0.5
LSB
DNL
0.5
LSB
Offset
15
mV
Input Impedance
17.8
30
42
Specifications are guaranteed at 130°C (ambient).
Table 2.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
ADC INPUTS
Number of Channels
2
Stereo input
Resolution
24
Bits
Full-Scale Input
100 (283)
μA rms (μA p-p)
2 V rms input with 20 kΩ (18 kΩ external + 2 kΩ internal)
series resistor


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