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DA7212 Datasheet(PDF) 13 Page - Dialog Semiconductor

Part # DA7212
Description  Ultra-low power stereo codec
PDF  129 Pages
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Manufacturer  DIALOG [Dialog Semiconductor]
Direct Link  http://www.dialog-semiconductor.com/
Logo DIALOG - Dialog Semiconductor

DA7212 Datasheet(HTML) 13 Page - Dialog Semiconductor

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DA7212
Ultra-low power stereo codec
Company confidential
Datasheet
Revision 3c
24-Nov-2015
13 of 129
© 2015 Dialog Semiconductor
7
Parametric specifications
Table 7: Analogue to digital converter (ADC)
Parameter
Description
Conditions
Min
Typ
Max
Unit
VMAX
Full-scale input signal
Digital output level =
0 dBFS
1.6 × VDD_A
VPP
SNR
(Note 4)
Signal to noise ratio
A-weighted
no input selected
90
dB
THD+N
(Note 5)
Total harmonic distortion
plus noise
-1 dBFS
44.1 kHz slave mode
-85
dB
-1 dBFS
32 kHz PLL mode
-80
dB
In-band spurious
Analog input level =
0 dBFS
-85
dB
Channel separation
90
dB
BPASS
Pass band
0.45*Fs
Hz
BSTOP
Stop band
Fs
 48 kHz
Fs = 88.2/96 kHz
0.56*Fs
7*Fs
3.5*Fs
Hz
Pass band ripple
Voice mode
Music mode
±0.3
±0.1
dB
Stop band attenuation
Voice mode
Music mode
70
55
dB
Group delay
Voice mode
Music mode
Fs = 88.2/96 kHz
4.3/Fs
18/Fs
9/Fs
s
Group delay mismatch
Between left and right
channels
2
µs
PSRR
(Note 6)
with
respect to
VDD_A
Power supply rejection
ratio
20 Hz
– 2 kHz
2 kHz
– 20 kHz
70
50
dB
Note 4
SNR (Signal-to-Noise Ratio) is a ratio of the full-scale output signal level to the noise level with no
signal applied.
Note 5
THD+N (Total Harmonic Distortion plus Noise) is a ratio of the level of the harmonics and noise to the
output signal.
Note 6
PSRR (Power Supply Rejection Ratio) is a measure of the attenuation of a signal on the supply to the
signal at the output.



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