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AK4376A Scheda tecnica(PDF) 17 Page - Asahi Kasei Microsystems

Il numero della parte AK4376A
Spiegazioni elettronici  Low-Power Advanced 32-bit DAC with HP
Download  68 Pages
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Produttore elettronici  AKM [Asahi Kasei Microsystems]
Homepage  http://www.akm.com
Logo AKM - Asahi Kasei Microsystems

AK4376A Scheda tecnica(HTML) 17 Page - Asahi Kasei Microsystems

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[AK4376A]
016014206-E-00
2016/11
- 17 -
DAC Slow Roll-Off Filter (fs = 44.1 kHz)
(Ta =
40 to 85C; AVDD = CVDD = LVDD = 1.7 to 1.9 V; TVDD = 1.65 to 3.6 V; fs = 44.1 kHz; DASD bit
=
“0”, DASL bit = “1”)
Parameter
Symbol
Min.
Typ.
Max.
Unit
DAC Digital Filter(LPF):
Passband
0.07 to +0.006 dB
PB
0
-
7.7
kHz
(Note 34)
3.0 dB
-
18.34
-
kHz
Stopband (Note 34)
SB
39.1
-
-
kHz
Passband Ripple
PR
0.07
-
+0.006
dB
Stopband Attenuation (Note 35)
SA
72.8
-
-
dB
Group Delay (Note 36)
GD
-
26
-
1/fs
DAC Digital Filter (LPF) + DACANA (Headphone-Amp) @ High performance mode :
Frequency Response: 0 to 20.0 kHz
FR
4.44
-
+0.03
dB
DAC Digital Filter (LPF) + DACANA (Headphone-Amp) @ Low power mode :
Frequency Response: 0 to 20.0 kHz
FR
5.00
-
+0.03
dB
Note 34. The passband and stopband frequencies scale with fs (system sampling rate).
PB = 0.1746
 fs (@0.07/+0.006 dB), SB = 0.887 x fs. Each frequency response refers to that
of 1 kHz.
Note 35. The bandwidth of the stopband attenuation value is from stopband to fs (system sampling rate).
Note 36. The calculated delay time is resulting from digital filtering. This is the time from the input of MSB
for Lch of SDATA to the output of an analog signal. The error of the delay at audio interface is
within +1 [1/fs].
DAC Slow Roll-Off Filter (fs = 96 kHz)
(Ta =
40 to 85C; AVDD = CVDD = LVDD = 1.7 to 1.9 V; TVDD = 1.65 to 3.6 V; fs = 96 kHz; DASD bit =
“0”, DASL bit = “1”)
Parameter
Symbol
Min.
Typ.
Max.
Unit
DAC Digital Filter (LPF):
Passband
0.07 to +0.007 dB
PB
0
-
16.76
kHz
(Note 37)
3.0 dB
-
39.9
-
kHz
Stopband (Note 37)
SB
85.2
-
-
kHz
Passband Ripple
PR
0.07
-
+0.007
dB
Stopband Attenuation (Note 38)
SA
72.8
-
-
dB
Group Delay (Note 39)
GD
-
26
-
1/fs
DAC Digital Filter (LPF) + DACANA (Headphone-Amp) @ High performance mode:
Frequency Response: 0 to 40.0 kHz
FR
4.00
-
+0.10
dB
DAC Digital Filter (LPF) + DACANA (Headphone-Amp) @ Low power mode:
Frequency Response: 0 to 40.0 kHz
FR
5.46
-
+0.10
dB
Note 37. The passband and stopband frequencies scale with fs (system sampling rate).
PB = 0.1746
 fs (@0.07/+0.007 dB), SB = 0.887 x fs. Each frequency response refers to that
of 1 kHz.
Note 38. The bandwidth of the stopband attenuation value is from stopband to fs (system sampling rate).
Note 39. The calculated delay time is resulting from digital filtering. This is the time from the input of MSB
for Lch of SDATA to the output of an analog signal. The error of the delay at audio interface is
within +1 [1/fs].


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