SGM4871 Datasheet, PDF (3/12 Pages) SG Micro Corp – Audio Power Amplifier with Shutdown Mode

SGM4871
2.4W Audio Power Amplifier
with Shutdown Mode
ELECTRICAL CHARACTERISTICS
(The following specifications apply for T_A = +25℃, V₊ = 5V and R_L = 8Ω, unless otherwise specified.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Supply Voltage
Output Offset Voltage
Quiescent Power Supply Current
Shutdown Current
Shutdown Voltage Input High
Shutdown Voltage Input Low
Output Power (4Ω)
V₊
VOS
I_Q
ISD
V_SDIH
VSDIL
P_O
V_SHDN = GND
No Load
RL = 8Ω
V+ = 5.0V, VSHDN = 5.0V, IO = 0mA
f = 1kHz, THD+N = 1%
f = 1kHz, THD+N = 10%
2.5
5.5
V
5.5
65
mV
5.2
9
mA
5.3
0.07
2
μA
1.2
V
0.4
1.9
W
2.4
W
Output Power (8Ω)
f = 1kHz, THD+N = 1%
P_O
f = 1kHz, THD+N = 10%
1.2
W
1.5
W
Total Harmonic Distortion + Noise
Power Supply Rejection Ratio
THD+N
PSRR
20Hz < f < 20kHz, RL = 8Ω, PO = 1W
V_SHDN = GND, V₊ = 4.9V to 5.1V
0.2
%
70
dB
SG Micro Corp
3
www.sg-micro.com