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ADAV400 Datasheet(PDF) 4 Page - Analog Devices

Part No. ADAV400
Description  Audio Codec with Embedded SigmaDSP Processor
Download  36 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADAV400 Datasheet(HTML) 4 Page - Analog Devices

 
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ADAV400
Rev. 0 | Page 4 of 36
SPECIFICATIONS
AVDDn1 = 3.3 V, ODVDD = 3.3 V, DVDD = internal voltage regulator, temperature = 0°C to 70°C, master clock = 12.288 MHz,
measurement bandwidth = 20 Hz to 20 kHz, ADC input signal = 1 kHz, DAC output signal = 1 kHz, unless otherwise noted.
Table 1.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
REFERENCE SECTION
Absolute Voltage VREF
1.5
V
VREF Temperature Coefficient
130
ppm/°C
ANALOG INPUTS (SINGLE-ENDED)
Number of Channels
8
Four stereo input channels
Full-Scale Analog Input
100
μA rms
2 V rms input with 20 kΩ series resistor
DC Offset
±10
mV
Relative to VREF
ADC SECTION
Stereo ADC
Resolution
24
Bits
Dynamic Range
A-Weighted
90
95
dB
−60 dB with respect to full-scale analog input
Total Harmonic Distortion + Noise
−93
dB
−3 dB with respect to full-scale analog input
Interchannel Gain Mismatch
0.1
dB
Left and right channel gain mismatch
Crosstalk
−78
dB
Analog channel crosstalk (AINYm1 to AINYm1)
One channel = −3 dB, other channel = 0 V
Gain Error
−6
%
Power Supply Rejection
−83
dB
1 kHz, 300 mV p-p signal at AVDDn1
ADC DIGITAL DECIMATOR FILTER
CHARACTERISTICS @ 48 kHz2
Pass Band
22.5
kHz
Pass-Band Ripple
±0.0002
dB
Transition Band
24
kHz
Stop Band
26.5
kHz
Stop-Band Attenuation
100
dB
Group Delay
1040
μs
DAC OUTPUTS (SINGLE-ENDED)
DAC amplifier register contents = 0x0010
Number of Channels
8
Four stereo output channels
Resolution
24
Bits
Full-Scale Analog Output
1
V rms
Dynamic Range
A-Weighted
90
95
dB
−60 dB with respect to full-scale code input
Total Harmonic Distortion + Noise3
−90
dB
−3 dB with respect to full-scale code input
Crosstalk
−100
dB
Analog channel crosstalk (VOUTm1 to VOUTm1)
One channel = −3 dB, other channels = 0 V
Gain Error
5
%
Interchannel Gain Mismatch
0.1
dB
Left and right channel gain mismatch
DC Offset
1
mV
Relative to VREF
Power Supply Rejection
−87
dB
1 kHz, 300 mV p-p signal at AVDDn1
DAC DIGITAL INTERPOLATION FILTER
CHARACTERISTICS @ 48 kHz2
Pass Band
21.769
kHz
Pass-Band Ripple
±0.01
dB
Transition Band
23.95
kHz
Stop Band
26.122
kHz
Stop-Band Attenuation
75
dB
Group Delay
580
μs


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