cs42l52 Cirrus Logic, Inc., cs42l52 Datasheet - Page 17

• Manufacturer Part Number: cs42l52
• Description: Low-power, Stereo Codec W/ Headphone & Speaker Amps
• Manufacturer: Cirrus Logic, Inc.

DS680F1
ANALOG PASSTHROUGH CHARACTERISTICS
Test Conditions (unless otherwise specified): Input sine wave (relative to full-scale): 1 kHz through passive input filter; PGA and
HP/Line Gain = 0 dB; All Supplies = VA; T
“Required Initialization Settings” on page 37
PWM OUTPUT CHARACTERISTICS
Test conditions (unless otherwise specified): Input test signal is a full scale 997 Hz signal; MCLK = 12.2880 MHz; Measurement
Bandwidth is 20 Hz to 20 kHz; Sample Frequency = 48 kHz; Test load R
full-bridge; VD = VL = VA = VHP = 1.8V; PWM Modulation Index of 0.85; PWM Switch Rate = 384 kHz;
Settings” on page 37
Analog In to HP/Line Amp (ADC is powered down)
R
Dynamic Range
Total Harmonic Distortion + Noise
Full-scale Input Voltage
Full-scale Output Voltage
Passband Ripple
R
Dynamic Range
Total Harmonic Distortion + Noise
Full-scale Input Voltage
Full-scale Output Voltage
Output Power
Passband Ripple
VP = 5.0 V
Power Output per Channel
Total Harmonic Distortion + Noise
Dynamic Range
L
L
= 10 k
= 16
Ω
Ω
Parameters
Parameters
Mono Parallel Full-Bridge
Mono Parallel Full-Bridge
Mono Parallel Full-Bridge
written on power up.
(Note 10)
Stereo Full-Bridge
Stereo Full-Bridge
Stereo Full-Bridge
unweighted
unweighted
A-weighted
A-weighted
-20 dBFS
-60 dBFS
-20 dBFS
-60 dBFS
A
-1 dBFS
-1 dBFS
(Note 9)
= +25°C; Sample Frequency = 48 kHz; Measurement Bandwidth is 20 Hz to 20 kHz;
written on power up.
Symbol
THD+N
DR
P
O
Min
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
5/13/08
P
P
P
P
VA = 2.5 V
O
O
O
O
P
0.91•VA
0.84•VA
0.91•VA
0.84•VA
P
= -60 dBFS, Unweighted
= -60 dBFS, Unweighted
0/-0.3
0/-0.3
P
= -60 dBFS, A-Weighted
= -60 dBFS, A-Weighted
O
Typ
-96
-93
-70
-73
-33
-96
-93
-70
-73
-33
O
O
32
= -3 dBFS = 0.75 W
THD+N < 10%
THD+N < 10%
= 0 dBFS = 1.5 W
= 0 dBFS = 0.8W
THD+N < 1%
THD+N < 1%
Conditions
L
= 8 Ω for stereo full-bridge, R
Max
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Min
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
VA = 1.8 V
Min
0.91•VA
0.84•VA
0.91•VA
0.84•VA
0/-0.3
0/-0.3
-
-
-
-
-
-
-
-
-
-
-
Typ
-94
-91
-70
-71
-31
-94
-91
-70
-71
-31
17
L
= 4 Ω for mono parallel
“Required Initialization
1.00
0.80
1.90
1.50
0.52
0.10
0.50
Typ
91
88
91
88
Max
CS42L52
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Max Units
-
-
-
-
-
-
-
-
-
-
-
Unit
Vpp
Vpp
Vpp
Vpp
mW
W
W
W
W
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
%
%
%
rms
rms
rms
rms
17