SG Micro SGM4703 - Page 10

High-Power Stereo Class-D Audio Power Amplifier
SGM4703 with Adjustable Power Limit and Automatic Level Control
10
DECEMBER 2022
SG Micro Corp
www.sg-micro.com
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= 15V, f = 1kHz, Load = 4Ω + 33μH, SSM, both channels driven, T
A
= +25℃, unless otherwise specified.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Maximum Output Power
(1)
P
O,PEAK
THD+N = 10%, Non-ALC Mode 27
W/CH
THD+N = 1%, Non-ALC Mode 23
ALC Output Power P
O,ALC
V
DD
= 15V, V
IN
= 0.60V
RMS
21 W/CH
Total Harmonic Distortion + Noise THD+N
P
O
= 15W/CH, Non-ALC Mode 0.02
%
V
IN
= 0.60V
RMS
, ALC Mode 0.3
Power Efficiency
(2)
η
P
O
= 15W/CH, Non-ALC Mode 85
%
V
IN
= 0.60V
RMS
, ALC Mode 86
Signal-to-Noise Ratio SNR P
O
= 20W/CH, A-weighted 95 dB
(V
DD
= 18V, f = 1kHz, Load = 8Ω + 33μH, SSM, both channels driven, T
A
= +25℃, unless otherwise specified.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Maximum Output Power
(1)
P
O,PEAK
THD+N = 10%, Non-ALC Mode 22
W/CH
THD+N = 1%, Non-ALC Mode 18
ALC Output Power P
O,ALC
V
IN
= 0.70V
RMS
16 W/CH
Total Harmonic Distortion + Noise THD+N
P
O
= 10W/CH, Non-ALC Mode 0.02
%
V
IN
= 0.70V
RMS
, ALC Mode 0.3
Power Efficiency
(2)
η
P
O
= 10W/CH, Non-ALC Mode 90
%
V
IN
= 0.70V
RMS
, ALC Mode 91
Signal-to-Noise Ratio SNR P
O
= 15W/CH, A-weighted 97 dB
(V
DD
= 24V, f = 1kHz, Load = 8Ω + 33μH, SSM, both channels driven, T
A
= +25℃, unless otherwise specified.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Maximum Output Power
(1)
P
O,PEAK
THD+N = 10%, Non-ALC Mode 40
W/CH
THD+N = 1%, Non-ALC Mode 32
ALC Output Power P
O,ALC
V
IN
= 1.0V
RMS
30 W/CH
Total Harmonic Distortion + Noise THD+N
P
O
= 20W/CH, Non-ALC Mode 0.02
%
V
IN
= 1.0V
RMS
, ALC Mode 0.3
Power Efficiency
(2)
η
P
O
= 20W/CH, Non-ALC Mode 90
%
V
IN
=1.0V
RMS
, ALC Mode 91
Signal-to-Noise Ratio SNR P
O
= 25W/CH, A-weighted 98 dB