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CS42L56 Datasheet(PDF) 18 Page - Cirrus Logic

Part # CS42L56
Description  Ultralow Power, Stereo Codec with Class H Headphone Amp
PDF  92 Pages
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Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS42L56 Datasheet(HTML) 18 Page - Cirrus Logic

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18
DS851F2
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 = +25C;
Measurement bandwidth is 20 Hz to 20 kHz; Sample Frequency = 48 kHz; Test load RL = 10 k CL =150 pFfor 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.
VA = 2.5 V
VA = 1.8 V
Parameter (Note 15)
Min
Typ
Max
Min
Typ
Max
Unit
Line Load RL = 10 k(+2 dB Analog Gain) (Note 14)
Dynamic Range
18 to 24-Bit
A-weighted
unweighted
16-Bit
A-weighted
unweighted
92
89
-
-
98
95
96
94
-
-
-
-
90
87
-
-
96
93
94
92
-
-
-
-
dB
dB
dB
dB
Total Harmonic Distortion + Noise
(Note 16)
18 to 24-Bit
0 dB
-20 dB
-60 dB
16-Bit
0 dB
-20 dB
-60 dB
-
-
-
-
-
-
-84
-75
-35
-82
-74
-34
-78
-
-30
-
-
-
-
-
-
-
-
-
-85
-73
-33
-83
-72
-32
-79
-
-28
-
-
-
dB
dB
dB
dB
dB
dB
Full-scale Output Voltage
(Note 17) 1.56•VA 1.64•VA 1.73•VA 1.56•VA 1.64•VA 1.73•VA
VPP
HP Load RL = 16 (-4 dB Analog Gain) (Note 14)
Dynamic Range
18 to 24-Bit
A-weighted
unweighted
16-Bit
A-weighted
unweighted
89
86
-
-
95
92
93
90
-
-
-
-
88
85
-
-
94
91
92
89
-
-
-
-
dB
dB
dB
dB
Total Harmonic Distortion + Noise
(Note 16)
-
-75
-69
-
-75
-69
dB
Full-scale Output Voltage
(Note 17) 0.76•VA 0.82•VA 0.88•VA 0.76•VA 0.82•VA 0.88•VA
VPP
Output Power
(Note 16)
-32-
-
17-
mW
Other Characteristics for RL = 16  or 10 k
Interchannel Isolation
10 k
(Note 17)
16
-
-
90
90
-
-
-
-
90
90
-
-
dB
dB
Interchannel Gain Mismatch
(Note 17)
-
0.1
0.28
-
0.1
0.28
dB
Output Offset
Mute
(Note 17)
0 dB Analog Gain
-
-
0.5
3.9
1.0
±15.1
-
-
0.5
3.1
1.0
±11.4
mV
mV
Gain Drift
(Note 17)
-
±100
-
-
±100
-
ppm/°C
Load Resistance (RL)
(Note 17)
16
-
-
16
-
-
Load Capacitance (CL)
(Note 17)
-
-
150
-
-
150
pF



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