參數(shù)資料
型號： EVAL-ADAV4622EBZ
廠商： Analog Devices Inc
文件頁數(shù)： 26/28頁
文件大?。?/td> 0K
描述： BOARD EVAL ADAV4622
標準包裝： 1
系列： Advantiv®
主要目的： 接口，模擬前端（AFE）
已用 IC / 零件： ADAV4622
已供物品： 板
相關(guān)產(chǎn)品： ADAV4622BSTZ-ND - IC AUD PRO ATV/SIF DECODE 80LQFP
ADAV4622
Rev. B | Page 7 of
28
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
ADC SECTION
Number of Channels
4
Two stereo channels
Full-Scale Input Level
100
μA rms
Resolution
24
Bits
Dynamic Range (Stereo Channel)
A-Weighted
95
dB
60 dBFS with respect to full-scale analog input
Total Harmonic Distortion + Noise (Stereo
Channel)
90
dB
3 dBFS with respect to full-scale analog input
Gain Mismatch
0.2
dB
Left- and right-channel gain mismatch
Crosstalk (Left to Right, Right to Left)
110
dB
Gain Error
1
dB
Input signal is 100 μA rms
Current Setting Resistor (RISET)
20
kΩ
External resistor to set current input range of ADC for
nominal 2.0 V rms input signal
Power Supply Rejection
87
dB
1 kHz, 300 mV p-p signal at AVDD
ADC DIGITAL DECIMATOR FILTER
CHARACTERISTICS
At 48 kHz, guaranteed by design
Pass Band
22.5
kHz
Pass-Band Ripple
±0.0002
dB
Stop Band
26.5
kHz
Stop-Band Attenuation
100
dB
Group Delay
1040
μs
PWM SECTION
Frequency
384
kHz
Guaranteed by design
Modulation Index
0.976
Guaranteed by design
Dynamic Range
A-Weighted
98
dB
60 dB with respect to full-scale code input
Total Harmonic Distortion + Noise
78
dB
3 dB with respect to full-scale code input
DAC SECTION
Number of Auxiliary Output Channels
8
Four stereo channels
Resolution
24
Bits
Full-Scale Analog Output
1
V rms
Dynamic Range
A-Weighted
94
dB
60 dBFS with respect to full-scale code input
Total Harmonic Distortion + Noise
86
dB
3 dBFS with respect to full-scale code input
Crosstalk (Left to Right, Right to Left)
102
dB
Interchannel Gain Mismatch
0.1
dB
Left- and right-channel gain mismatch
Gain Error
0.525
dB
1 V rms output
DC Bias
1.53
V
Power Supply Rejection
90
dB
1 kHz, 300 mV p-p signal at AVDD
Output Impedance
235
Ω
DAC DIGITAL INTERPOLATION FILTER
CHARACTERISTICS
At 48 kHz, guaranteed by design
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
HEADPHONE AMPLIFIER
Measured at headphone output with 32 Ω load
Number of Channels
4
Two stereo channels
Full-Scale Output Power
31
mW rms
1 V rms output
Dynamic Range
A-Weighted
93
dB
60 dBFS with respect to full-scale code input
Total Harmonic Distortion + Noise
83
dB
3 dBFS with respect to full-scale code input
Interchannel Gain Mismatch
0.1
dB
DC Bias
1.53
V
Power Supply Rejection
85
dB
1 kHz, 300 mV p-p signal at AVDD
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