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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 RL = 8
Ω for stereo full-bridge, RL = 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
PO
Stereo Full-Bridge
THD+N < 10%
THD+N < 1%
-
1.00
0.80
-
Wrms
Mono Parallel Full-Bridge
THD+N < 10%
THD+N < 1%
-
1.90
1.50
-
Wrms
Total Harmonic Distortion + Noise
THD+N
Stereo Full-Bridge
PO = 0 dBFS = 0.8W
-
0.52
-
%
Mono Parallel Full-Bridge
PO = -3 dBFS = 0.75 W
PO = 0 dBFS = 1.5 W
-
0.10
0.50
-
%
Dynamic Range
DR
Stereo Full-Bridge
PO = -60 dBFS, A-Weighted
PO = -60 dBFS, Unweighted
-
91
88
-
dB
Mono Parallel Full-Bridge
PO = -60 dBFS, A-Weighted
PO = -60 dBFS, Unweighted
-
91
88
-
dB
VP = 3.7 V
Power Output per Channel
PO
Stereo Full-Bridge
THD+N < 10%
THD+N < 1%
-
0.55
0.45
-
Wrms
Mono Parallel Full-Bridge
THD+N < 10%
THD+N < 1%
-
1.00
0.84
-
Wrms
Total Harmonic Distortion + Noise
THD+N
Stereo Full-Bridge
PO = 0 dBFS = 0.43 W
-
0.54
-
%
Mono Parallel Full-Bridge
PO = -3 dBFS = 0.41 W
PO = 0 dBFS = 0.81 W
-
0.09
0.45
-
%
Dynamic Range
DR
Stereo Full-Bridge
PO = -60 dBFS, A-Weighted
PO = -60 dBFS, Unweighted
-
91
88
-
dB
Mono Parallel Full-Bridge
PO = -60 dBFS, A-Weighted
PO = -60 dBFS, Unweighted
-
95
92
-
dB
VP =2.5 V
Power Output per Channel
PO
Stereo Full-Bridge
THD+N < 10%
THD+N < 1%
-
0.23
0.19
-
Wrms
Mono Parallel Full-Bridge
THD+N < 10%
THD+N < 1%
-
0.44
0.35
-
Wrms
Total Harmonic Distortion + Noise
THD+N
Stereo Full-Bridge
PO = 0 dBFS = 0.18 W
-
0.50
-
%
Mono Parallel Full-Bridge
PO = -3 dBFS = 0.17 W
PO = 0 dBFS = 0.35 W
-
0.08
0.43
-
%
Dynamic Range
DR
Stereo Full-Bridge
PO = -60 dBFS, A-Weighted
PO = -60 dBFS, Unweighted
-
91
88
-
dB
Mono Parallel Full-Bridge
PO = -60 dBFS, A-Weighted
PO = -60 dBFS, Unweighted
-
94
91
-
dB
MOSFET On Resistance
RDS(ON)
VP = 5.0V, Id = 0.5 A
-
600
-
m
Ω
MOSFET On Resistance
RDS(ON)
VP = 3.7V, Id = 0.5 A
-
640
-
m
Ω
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