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STA529 датащи(PDF) 26 Page - STMicroelectronics

номер детали STA529
подробное описание детали  FFX™ audio codec with analog and digital inputs and 2 x 1.2 W (or 2 x 100 mW HP) class-D amplifier
PDF  57 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA529 датащи(HTML) 26 Page - STMicroelectronics

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Doc ID 13095 Rev 3
7.2.1
Digital filter characteristics
7.2.2
High-pass filter characteristics
7.2.3
Programmable gain amplifier (PGA)
The PGA is available in mic-in mode only. The input signal can be amplified from 0 to 42 dB
in 6-dB steps via bits PGA of register ADCCFG on page 49.
Table 17.
Digital filter characteristics
Parameter
Typical
Unit
Pass band
0.4535 * fs
kHz
Pass-band ripple:
Fs mode
Fs_by_2 mode
Fs_by_4 mode
0.08 at 44.1 kHz
0.08 at 22.05 kHz
0.08 at 11.025 kHz
dB
dB
dB
Stop-band attenuation:
Fs mode
Fs_by_2 mode
Fs_by_4 mode
45 at 44.1 kHz
45 at 22.05 kHz
45 at 11.025 kHz
dB
dB
dB
Group delay:
Fs mode
Fs_by_2 mode
Fs_by_4 mode
0.4 at 32 kHz
0.7 at 16 kHz
1.4 at 8 kHz
ms
ms
ms
Table 18.
High-pass filter characteristics
Parameter
Typical
Unit
Frequency response:
-3 dB
-0.08 dB
7
50
Hz
Hz
Phase deviation at 20 Hz
19.35
degree
Passband ripple
0.08
dB



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