CS42L56 查看數據表（PDF） - Cirrus Logic
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CS42L56 Datasheet PDF : 92 Pages
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CS42L56
HP OUTPUT CHARACTERISTICS
Test conditions (unless otherwise specified): Connections to the CS42L56 are shown in the “Typical Connection Diagrams” on
page 11; Input test signal is a full-scale 997 Hz sine wave; All Supplies = VA, VCP Mode; GND = AGND = 0 V; TA = +25C;
Measurement bandwidth is 20 Hz to 20 kHz; Sample Frequency = 48 kHz; Test load RL = 10 k CL = 150 pFfor a line load,
and test load RL = 16 CL = 150 pF for a headphone load (See Figure 6 on page 21); Measurement signal path is SDIN to
HPOUTx.
Parameter (Note 15)
Line Load RL = 10 k(+2 dB Analog Gain) (Note 14)
Dynamic Range
18 to 24-Bit
16-Bit
A-weighted
unweighted
A-weighted
unweighted
Total Harmonic Distortion + Noise
(Note 16)
18 to 24-Bit
16-Bit
0 dB
-20 dB
-60 dB
0 dB
-20 dB
-60 dB
Full-scale Output Voltage
(Note 17)
HP Load RL = 16 (-4 dB Analog Gain) (Note 14)
Dynamic Range
18 to 24-Bit
16-Bit
A-weighted
unweighted
A-weighted
unweighted
Total Harmonic Distortion + Noise
(Note 16)
Full-scale Output Voltage
(Note 17)
Output Power
(Note 16)
Other Characteristics for RL = 16 or 10 k
Interchannel Isolation
(Note 17)
10 k
16
Interchannel Gain Mismatch
(Note 17)
Output Offset
(Note 17)
Mute
0 dB Analog Gain
Gain Drift
Load Resistance (RL)
Load Capacitance (CL)
(Note 17)
(Note 17)
(Note 17)
VA = 2.5 V
Min Typ Max
92
98
-
89
95
-
-
96
-
-
94
-
-
-84
-78
-
-75
-
-
-35
-30
-
-82
-
-
-74
-
-
-34
-
1.56•VA 1.64•VA 1.73•VA
89
95
-
86
92
-
-
93
-
-
90
-
-
-75
-69
0.76•VA 0.82•VA 0.88•VA
-
32
-
-
90
-
-
90
-
-
0.1
0.28
-
0.5
1.0
-
3.9 ±15.1
-
±100
-
16
-
-
-
-
150
VA = 1.8 V
Min Typ Max
90
96
-
87
93
-
-
94
-
-
92
-
-
-85
-79
-
-73
-
-
-33
-28
-
-83
-
-
-72
-
-
-32
-
1.56•VA 1.64•VA 1.73•VA
88
94
-
85
91
-
-
92
-
-
89
-
-
-75
-69
0.76•VA 0.82•VA 0.88•VA
-
17
-
-
90
-
-
90
-
-
0.1
0.28
-
0.5
1.0
-
3.1
±11.4
-
±100
-
16
-
-
-
-
150
Unit
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
VPP
dB
dB
dB
dB
dB
VPP
mW
dB
dB
dB
mV
mV
ppm/°C
pF
18
DS851F2
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