CS44L10 データシートの表示（PDF） - Cirrus Logic
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CS44L10 Datasheet PDF : 34 Pages
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CS44L10
CHARACTERISTICS AND SPECIFICATIONS (Continued)
Parameters
PWM Headphone Output
Full Scale Headphone Output Voltage
Symbol Min
Typ
TBD 0.85 x VA_HP
Headphone Output Quiescent Voltage
Interchannel Gain Mismatch
Modulation Index
Maximum Headphone Output
AC-Current
VA_HPx=2.4V IHP
VA_HPx=5.0V
-
0.5 x VA_HP
-
0.1
-
-
-
45
-
80
Max
TBD
-
-
85
-
-
Units
Vp
VDC
dB
%
mA
mA
Single Speed Mode Double Speed Mode
Parameter
Symbol Min Typ
Max Min Typ Max Unit
Digital Filter Response (Note 1))
Passband
(Note 2)
to -0.05 dB corner
to -0.1 dB corner
to -3 dB corner
0
-
.4535 -
-
- Fs
-
-
-
0
- .4426 Fs
0
-
.4998 0
- .4984 Fs
Frequency Response 10 Hz to 20 kHz
(Note 3)
-.02
-
+.08 0
- +0.11 dB
StopBand
.5465 -
-
.577
-
- Fs
StopBand Attenuation
(Note 4)
50
-
-
55
-
- dB
Group Delay
tgd
-
9/Fs
-
-
4/Fs
-
s
Passband Group Delay Deviation
0 - 40 kHz
0 - 20 kHz
-
-
-
- ±0.36/Fs -
- ±1.39/Fs -
s
- ±0.23/Fs -
s
De-emphasis Error
(Relative to 1 kHz)
Fs = 32 kHz
Fs = 44.1 kHz
Fs = 48 kHz
-
-
+.2/-.1
dB
-
- +.05/-.14
(Note 5)
dB
-
-
+0/-.22
dB
Note:
1. Filter response is not tested but is guaranteed by design.
2. Response is clock dependent and will scale with Fs. Note that the response plots (Figures 8-15) have
been normalized to Fs and can be de-normalized by multiplying the X-axis scale by Fs.
3. Referenced to a 1 kHz, full-scale sine wave.
4. For Single Speed Mode, the measurement bandwidth is 0.5465 Fs to 3 Fs.
For Double Speed Mode, the measurement bandwidth is 0.577 Fs to 1.4 Fs.
5. De-emphasis is not available in double speed mode.
DS541PP1
5
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