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CS42L52 Datasheet(PDF) 15 Page - Cirrus Logic

Part # CS42L52
Description  Low Power, Stereo CODEC w/Headphone & Speaker Amps
PDF  82 Pages
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Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS42L52 Datasheet(HTML) 15 Page - Cirrus Logic

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DS680A1
15
CS42L52
ANALOG OUTPUT CHARACTERISTICS (COMMERCIAL - CNZ)
(Test conditions (unless otherwise specified): Input test signal is a full-scale 997 Hz sine wave; VL = VD = VHP = 1.8 V; TA =
+25
°C; Measurement bandwidth is 10 Hz to 20 kHz; Sample Frequency = 48 kHz; test load RL = 10 kΩ, CL = 10 pF for the line
output (see Figure 2), and test load RL = 16 Ω, CL = 10 pF (see Figure 2) for the headphone output. HP_GAIN[2:0] = 011.)
6. One-half LSB of triangular PDF dither is added to data.
7. Full-scale output voltage and power is determined by the gain setting, G, in register “Headphone Analog
Gain” on page 51. High gain settings at certain VA and VHP supply levels may cause clipping when the
audio signal approaches full-scale, maximum power output, as shown in Figures 22 - 25 on page 76.
VA = 2.5 V
VA = 1.8 V
Parameters (Note 6)
Min
Typ
Max
Min
Typ
Max
Unit
RL = 10 kΩ
Dynamic Range
18 to 24-Bit
A-weighted
unweighted
16-Bit
A-weighted
unweighted
92
89
-
-
98
95
96
93
-
-
-
-
89
86
-
-
95
92
93
90
-
-
-
-
dB
dB
dB
dB
Total Harmonic Distortion + Noise
18 to 24-Bit
0 dB
-20 dB
-60 dB
16-Bit
0 dB
-20 dB
-60 dB
-
-
-
-
-
-
-86
-75
-35
-86
-73
-33
-80
-
-29
-
-
-
-
-
-
-
-
-
-88
-72
-32
-88
-70
-30
-82
-
-26
-
-
-
dB
dB
dB
dB
dB
dB
RL = 16 Ω
Dynamic Range
18 to 24-Bit
A-weighted
unweighted
16-Bit
A-weighted
unweighted
92
89
-
-
98
95
96
93
-
-
-
-
89
86
-
-
95
92
93
90
-
-
-
-
dB
dB
dB
dB
Total Harmonic Distortion + Noise
18 to 24-Bit
0 dB
-20 dB
-60 dB
16-Bit
0 dB
-20 dB
-60 dB
-
-
-
-
-
-
-75
-75
-35
-75
-73
-33
-69
-
-29
-
-
-
-
-
-
-
-
-
-75
-72
-32
-75
-70
-30
-69
-
-26
-
-
-
dB
dB
dB
dB
dB
dB
Other Characteristics for RL = 16 Ω or 10 kΩ
Output Parameters
Modulation Index (MI)
(Note 7)
Analog Gain Multiplier (G)
-
0.6787
0.6047
-
-
0.6787
0.6047
-
Full-scale Output Voltage (2•G•MI•VA) (Note 7)
Refer to Table “Line Output Voltage Level Characteris-
tics” on page 18
Vpp
Full-scale Output Power (Note 7)
Refer to Table “Headphone Output Power Characteristics” on
page 19
Interchannel Isolation (1 kHz)
16
Ω
10 k
Ω
-
-
80
95
-
-
-
-
80
93
-
-
dB
dB
Speaker Amp to HP Amp Isolation
-
80
-
-
80
-
dB
Interchannel Gain Mismatch
-
0.1
0.25
-
0.1
0.25
dB
Gain Drift
-
±100
-
-
±100
-
ppm/°C
AC-Load Resistance (RL)
(Note 8)
16
-
-
16
-
-
Ω
Load Capacitance (CL)
(Note 8)
-
-
150
-
-
150
pF



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