ADAU1401A 查看數據表（PDF） - Analog Devices
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ADAU1401A Datasheet PDF : 52 Pages
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ADAU1401A
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
ADC INPUTS
Number of Channels
Resolution
Full-Scale Input
Signal-to-Noise Ratio
A-Weighted
Dynamic Range
A-Weighted
Total Harmonic Distortion + Noise
Interchannel Gain Mismatch
Crosstalk
DC Bias
Gain Error
DAC OUTPUTS
Number of Channels
Resolution
Full-Scale Analog Output
Signal-to-Noise Ratio
A-Weighted
Dynamic Range
A-Weighted
Total Harmonic Distortion + Noise
Crosstalk
Interchannel Gain Mismatch
Gain Error
DC Bias
VOLTAGE REFERENCE
Absolute Voltage, CM Pin
AUXILIARY ADC
Full-Scale Analog Input
INL
DNL
Offset
Input Impedance
Min Typ
Max Unit
Test Conditions/Comments
2
24
100 (283)
Bits
μA rms (μA p-p)
Stereo input
2 V rms input with 20 kΩ (18 kΩ external + 2 kΩ internal)
series resistor
100
95 100
−83
25
−82
1.4 1.5
−11
dB
dB
dB
300 mdB
dB
1.6 V
+11 %
−60 dB with respect to full-scale analog input
−3 dB with respect to full-scale analog input
Analog channel-to-channel crosstalk
4
24
0.9 (2.5)
Bits
V rms (V p-p)
Two stereo output channels
Sine wave
104
99 104
−90
−100
25
−10
1.4 1.5
dB
dB
dB
dB
250 mdB
+10 %
1.6 V
−60 dB with respect to full-scale analog output
−1 dB with respect to full-scale analog output
Analog channel-to-channel crosstalk
1.4 1.5
1.6 V
2.8 2.95
0.5
0.5
15
17.8 30
3.1 V
LSB
LSB
mV
42 kΩ
Specifications are guaranteed at 130°C (ambient).
Table 2.
Parameter
ADC INPUTS
Number of Channels
Resolution
Full-Scale Input
Min Typ
Max Unit
Test Conditions/Comments
2
24
100 (283)
Bits
μA rms (μA p-p)
Stereo input
2 V rms input with 20 kΩ (18 kΩ external + 2 kΩ internal)
series resistor
Rev. A | Page 4 of 52
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