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CS42L50 Arkusz danych(PDF) 7 Page - Cirrus Logic

Numer części CS42L50
Szczegółowy opis  Low Voltage, Stereo CODEC with headphone Amp
PDF  48 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Producent  CIRRUS [Cirrus Logic]
Strona internetowa  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS42L50 Arkusz danych(HTML) 7 Page - Cirrus Logic

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CS42L50
DS544PP1
7
ANALOG OUTPUT CHARACTERISTICS (T
A = 25° C; Logic "1" = VL = 1.8 V; Logic "0" =
GND = 0 V; Full-Scale Output Sine Wave, 997 Hz; MCLK = 12.288 MHz; Measurement Bandwidth 10 Hz to
20 kHz, unless otherwise specified; Fs for Single Speed Mode = 48 kHz, SCLK = 3.072 MHz. Fs for Double Speed
Mode = 96 kHz, SCLK = 6.144 MHz. Test load RL =10kΩ, CL = 10 pF (see Figure 23) for line out, RL =16 Ω,
CL = 10 pF (see Figure 24) for headphone out.
Notes: 1. Referenced to typical full-scale input voltage.
2. Filter response is not tested but is guaranteed by design.
3. Filter characteristics scale with output sample rate. For output sample rates, Fs, other than 48 kHz, the
0.01 dB passband edge is 0.4535x Fs and the stopband edge is 0.625x Fs.
4. The analog modulator samples the input at 6.144 MHz for an Fs equal to 48 kHz. There is no rejection
of input signals which are multiples of the sampling frequency ( n x 6.144 MHz ±21.8 kHz where
n = 0,1,2,3...).
5. Group delay for Fs = 48 kHz, tgd = 10/48 kHz = 208 µs.
6. One-half LSB of triangular PDF dither is added to data.
Parameter
Single Speed Mode
Double Speed Mode
Symbol
Min
Typ
Max
Min
Typ
Max
Unit
Line Output Dynamic Performance for VA = 1.8 V
Dynamic Range
(Note 6)
18 to 24-Bit
unweighted
A-Weighted
16-Bit
unweighted
A-Weighted
TBD
TBD
-
-
91
94
89
92
-
-
-
-
TBD
TBD
-
-
89
92
87
90
-
-
-
-
dB
dB
dB
dB
Total Harmonic Distortion + Noise
(Note 6)
18 to 24-Bit
0 dB
-20 dB
-60 dB
16-Bit
0 dB
-20 dB
-60 dB
THD+N
-
-
-
-
-
-
-80
-71
-31
-78
-69
-29
TBD
-
-
-
-
-
-
-
-
-
-
-
-80
-69
-29
-78
-67
-27
TBD
-
-
-
-
-
dB
dB
dB
dB
dB
dB
Interchannel Isolation
(1 kHz)
-
100
-
-
100
-
dB
Headphone Output Dynamic Performance for VA = VA_HP = 1.8 V
Dynamic Range
(Note 6)
18 to 24-Bit
unweighted
A-Weighted
16-Bit
unweighted
A-Weighted
TBD
TBD
-
-
88
91
86
89
-
-
-
-
TBD
TBD
-
-
88
91
86
89
-
-
-
-
dB
dB
dB
dB
Total Harmonic Distortion + Noise
(Note 6)
18 to 24-Bit
0 dB
-20 dB
-60 dB
16-Bit
0 dB
-20 dB
-60 dB
THD+N
-
-
-
-
-
-
-82
-68
-28
-80
-66
-26
TBD
-
-
-
-
-
-
-
-
-
-
-
-85
-68
-28
-83
-66
-26
TBD
-
-
-
-
-
dB
dB
dB
dB
dB
dB
Interchannel Isolation
(1 kHz)
-
66
-
-
66
-
dB



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