English
Language : 

CS42L51 Datasheet, PDF (17/83 Pages) Cirrus Logic – Low Power, Stereo CODEC with Headphone Amp
CS42L51
ANALOG OUTPUT CHARACTERISTICS (AUTOMOTIVE - DNZ)
(Test conditions (unless otherwise specified): Input test signal is a full-scale 997 Hz sine wave; measurement
bandwidth is 10 Hz to 20 kHz; Sample Frequency = 48 kHz and 96 kHz; test load RL = 10 kΩ, CL = 10 pF for the
line output (see Figure 3), and test load RL = 16 Ω, CL = 10 pF (see Figure 3) for the headphone output.
HP_GAIN[2:0] = 011.)
Parameter (Note 9)
RL = 10 kΩ
Dynamic Range
18 to 24-Bit
16-Bit
A-weighted
unweighted
A-weighted
unweighted
Total Harmonic Distortion + Noise
18 to 24-Bit
16-Bit
0 dB
-20 dB
-60 dB
0 dB
-20 dB
-60 dB
RL = 16 Ω
Dynamic Range
18 to 24-Bit
16-Bit
A-weighted
unweighted
A-weighted
unweighted
Total Harmonic Distortion + Noise
18 to 24-Bit
16-Bit
0 dB
-20 dB
-60 dB
0 dB
-20 dB
-60 dB
Other Characteristics for RL = 16 Ω or 10 kΩ
Output Parameters
(Note 10)
Modulation Index (MI)
Analog Gain Multiplier (G)
Full-scale Output Voltage (2•G•MI•VA) (Note 10)
Full-scale Output Power (Note 10)
Interchannel Isolation (1 kHz)
Interchannel Gain Mismatch
Gain Drift
16 Ω
10 kΩ
AC-Load Resistance (RL)
Load Capacitance (CL)
(Note 11)
(Note 11)
VA = 2.5V
VA = 1.8V
Min
Typ
Max Min
Typ
Max Unit
90
98
-
87
95
-
dB
87
95
-
84
92
-
dB
-
96
-
-
93
-
dB
-
93
-
-
90
-
dB
-
-86
-78
-
-88
-80 dB
-
-75
-
-
-72
-
dB
-
-35
-
-
-32
-
dB
-
-86
-
-
-88
-
dB
-
-73
-
-
-70
-
dB
-
-33
-
-
-30
-
dB
90
98
-
87
95
-
dB
87
95
-
84
92
-
dB
-
96
-
-
93
-
dB
-
93
-
-
90
-
dB
-
-75
-67
-
-75
-67 dB
-
-75
-
-
-72
-
dB
-
-35
-
-
-32
-
dB
-
-75
-
-
-75
-
dB
-
-73
-
-
-70
-
dB
-
-33
-
-
-30
-
dB
-
0.6787
-
0.6047
-
0.6787
-
0.6047
Refer to Table “Line Output Voltage Characteristics” on Vpp
page 18
Refer to Table “Headphone Output Power Characteristics” on
page 19
-
80
-
-
80
-
dB
-
95
-
-
93
-
dB
-
0.1
0.25
-
0.1
0.25 dB
-
±100
-
-
±100
- ppm/°
C
16
-
-
16
-
-
Ω
-
-
150
-
-
150 pF
DS679A2
17