Cirrus Logic CS42L51 - Manual (Page 17)

DS679F1 17
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 R
L
= 10 k
Ω, C
L
= 10 pF
for the
line output (see Figure 3 ), and test load R
L
= 16 Ω, C
L
= 10 pF (see Figure 3 ) for the headphone output.
HP_GAIN[2:0] = 011.)
Parameter (Note 8)
VA = 2.5V (nominal)
Min Typ Max
VA = 1.8V (nominal)
Min Typ Max Unit
R
L
= 10 k
Ω
Dynamic Range
18 to 24-Bit A-weighted
unweighted
16-Bit
A-weighted
unweighted
90
87
-
-
98
95
96
93 -
-
-
- 87
84
-
-
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 -73
-
-
-
-
-
-
-
-
-
-
- -88
-72
-32
-88
-70
-30 -80
-
-
-
-
-
dB
dB
dB
dB
dB
dB
R
L
= 16
Ω
Dynamic Range
18 to 24-Bit A-weighted
unweighted
16-Bit A-weighted
unweighted
90
87
-
-
98
95
96
93 -
-
-
- 87
84
-
-
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 -67
-
-
-
-
-
-
-
-
-
-
- -75
-72
-32
-75
-70
-30 -67
-
-
-
-
-
dB
dB
dB
dB
dB
dB
Other Characteristics for R
L
= 16
Ω
or 10 k
Ω
Output Parameters Modulation Index (MI)
(Note 9) Analog Gain Multiplier (G)
-
0.6787
0.6047
- -
0.6787
0.6047
-
Full-scale Output Voltage (2•G•MI•VA) (Note 9)
Refer to Table “Line Output Voltage Characteristics” on
page 18
Vpp
Full-scale Output Power (Note 9)
Refer to Table “Headphone Output Power Characteristics”
on page 19
mW
Interchannel Isolation (1 kHz) 16 Ω
10 k Ω
-
- 80
95 -
- -
- 80
93 -
- dB
dB
Interchannel Gain Mismatch - 0.1 0.25 - 0.1 0.25 dB
Gain Drift - ±100 - - ±100 -
ppm/°
C
AC-Load Resistance (R
L
) (Note 10) 16 - - 16 - - Ω
Load Capacitance (C
L
) (Note 10) - - 150 - - 150 pF