ADAV4622 Analog Devices, ADAV4622 Datasheet - Page 7

• Manufacturer Part Number: ADAV4622
• Description: Audio Processor for Advanced TV with Sound IF Demodulator and Stereo Decoder
• Manufacturer: Analog Devices

Specifications of ADAV4622

• Instructions/cycles: 2560
• Dac Dnr (db): 94dB
• Dac Thd+n: 86dB
• Product Description: Audio Processor for Advanced TV with Sound IF Demodulator and Stereo Decoder

Parameter
ADC SECTION
ADC DIGITAL DECIMATOR FILTER
PWM SECTION
DAC SECTION
DAC DIGITAL INTERPOLATION FILTER
HEADPHONE AMPLIFIER
Total Harmonic Distortion + Noise (Stereo
CHARACTERISTICS
CHARACTERISTICS
Number of Channels
Full-Scale Input Level
Resolution
Dynamic Range (Stereo Channel)
Gain Mismatch
Crosstalk (Left to Right, Right to Left)
Gain Error
Current Setting Resistor (R
Power Supply Rejection
Pass Band
Pass-Band Ripple
Stop Band
Stop-Band Attenuation
Group Delay
Frequency
Modulation Index
Dynamic Range
Total Harmonic Distortion + Noise
Number of Auxiliary Output Channels
Resolution
Full-Scale Analog Output
Dynamic Range
Total Harmonic Distortion + Noise
Crosstalk (Left to Right, Right to Left)
Interchannel Gain Mismatch
Gain Error
DC Bias
Power Supply Rejection
Output Impedance
Pass Band
Pass-Band Ripple
Transition Band
Stop Band
Stop-Band Attenuation
Group Delay
Number of Channels
Full-Scale Output Power
Dynamic Range
Total Harmonic Distortion + Noise
Interchannel Gain Mismatch
DC Bias
Power Supply Rejection
Channel)
A-Weighted
A-Weighted
A-Weighted
A-Weighted
ISET
)
Min
Typ
4
100
24
95
−90
0.2
−110
−1
20
−87
22.5
±0.0002
26.5
100
1040
384
0.976
98
−78
8
24
1
94
−86
−102
0.1
0.525
1.53
−90
235
21.769
±0.01
23.95
26.122
75
580
4
31
93
−83
0.1
1.53
−85
Rev. B | Page 7 of 28
Max
Unit
μA rms
Bits
dB
dB
dB
dB
dB
kΩ
dB
kHz
dB
kHz
dB
μs
kHz
dB
dB
Bits
V rms
dB
dB
dB
dB
dB
V
dB
Ω
kHz
dB
kHz
kHz
dB
μs
mW rms
dB
dB
dB
V
dB
Test Conditions/Comments
Two stereo channels
−60 dBFS with respect to full-scale analog input
−3 dBFS with respect to full-scale analog input
Left- and right-channel gain mismatch
Input signal is 100 μA rms
External resistor to set current input range of ADC for
nominal 2.0 V rms input signal
1 kHz, 300 mV p-p signal at AVDD
At 48 kHz, guaranteed by design
Guaranteed by design
Guaranteed by design
−60 dB with respect to full-scale code input
−3 dB with respect to full-scale code input
Four stereo channels
−60 dBFS with respect to full-scale code input
−3 dBFS with respect to full-scale code input
Left- and right-channel gain mismatch
1 V rms output
1 kHz, 300 mV p-p signal at AVDD
At 48 kHz, guaranteed by design
Measured at headphone output with 32 Ω load
Two stereo channels
1 V rms output
−60 dBFS with respect to full-scale code input
−3 dBFS with respect to full-scale code input
1 kHz, 300 mV p-p signal at AVDD
ADAV4622