Cirrus Logic CS43L22 - Manual (Page 13)

DS792F2 13
CS43L22
Confidential Draft
3/4/10
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
L = 8 Ω for stereo full-bridge, R
L = 4 Ω for mono parallel
full-bridge; VD = VL = VA = VHP = 1.8V; PWM Modulation Index of 0.85; PWM Switch Rate = 384 kHz.
Parameters (Note 7) Symbol Conditions Min Typ Max Units
VP = 5.0 V
Power Output per Channel P
O
Stereo Full-Bridge THD+N < 10%
THD+N < 1%
-
- 1.00
0.80 -
- W
rms
W
rms
Mono Parallel Full-Bridge THD+N < 10%
THD+N < 1%
-
- 1.90
1.50 -
- W
rms
W
rms
Total Harmonic Distortion + Noise THD+N
Stereo Full-Bridge P
O
= 0 dBFS = 0.8W - 0.52 - %
Mono Parallel Full-Bridge P
O
= -3 dBFS = 0.75 W
P
O
= 0 dBFS = 1.5 W
-
- 0.10
0.50 -
- %
%
Dynamic Range DR
Stereo Full-Bridge P
O
= -60 dBFS, A-Weighted
P
O
= -60 dBFS, Unweighted
-
- 91
88 -
- dB
dB
Mono Parallel Full-Bridge P
O
= -60 dBFS, A-Weighted
P
O
= -60 dBFS, Unweighted
-
- 91
88 -
- dB
dB
VP = 3.7 V
Power Output per Channel P
O
Stereo Full-Bridge THD+N < 10%
THD+N < 1%
-
- 0.55
0.45 -
- W
rms
W
rms
Mono Parallel Full-Bridge THD+N < 10%
THD+N < 1%
-
- 1.00
0.84 -
- W
rms
W
rms
Total Harmonic Distortion + Noise THD+N
Stereo Full-Bridge P
O
= 0 dBFS = 0.43 W - 0.54 - %
Mono Parallel Full-Bridge P
O
= -3 dBFS = 0.41 W
P
O
= 0 dBFS = 0.81 W
-
- 0.09
0.45 -
- %
%
Dynamic Range DR
Stereo Full-Bridge P
O
= -60 dBFS, A-Weighted
P
O
= -60 dBFS, Unweighted
-
- 91
88 -
- dB
dB
Mono Parallel Full-Bridge P
O
= -60 dBFS, A-Weighted
P
O
= -60 dBFS, Unweighted
-
- 95
92 -
- dB
dB
VP =2.5 V
Power Output per Channel P
O
Stereo Full-Bridge THD+N < 10%
THD+N < 1%
-
- 0.23
0.19 -
- W
rms
W
rms
Mono Parallel Full-Bridge THD+N < 10%
THD+N < 1%
-
- 0.44
0.35 -
- W
rms
W
rms
Total Harmonic Distortion + Noise THD+N
Stereo Full-Bridge P
O
= 0 dBFS = 0.18 W - 0.50 - %
Mono Parallel Full-Bridge P
O
= -3 dBFS = 0.17 W
P
O
= 0 dBFS = 0.35 W
-
- 0.08
0.43 -
- %
%
Dynamic Range DR
Stereo Full-Bridge P
O
= -60 dBFS, A-Weighted
P
O
= -60 dBFS, Unweighted
-
- 91
88 -
- dB
dB
Mono Parallel Full-Bridge P
O
= -60 dBFS, A-Weighted
P
O
= -60 dBFS, Unweighted
-
- 94
91 -
- dB
dB
MOSFET On Resistance R
DS(ON)
VP = 5.0V, I
d
= 0.5 A - 600 - m
Ω
MOSFET On Resistance R
DS(ON)
VP = 3.7V, I
d
= 0.5 A - 640 - m Ω