SGM4995 Datasheet, PDF (5/11 Pages) SG Micro Corp – Audio Power Amplifier

SGM4995
1.3W Mono Fully Differential
Audio Power Amplifier
TYPICAL PERFORMANCE CHARACTERISTICS
At T_A = +25℃, A_V = 1, f = 1kHz, C_B = 1µF, unless otherwise noted.
Power Dissipation vs. Output Power
0.4
Power Dissipation vs. Output Power
0.3
0.3
0.2
0.1
0
0
V_CC = 3V
R_L = 8Ω
f = 1kHz
THD+N ≤ 1%
0.1 0.2 0.3 0.4 0.5 0.6
Output Power (W)
0.2
0.1
0
0
V_CC = 2.6V
R_L = 8Ω
f = 1kHz
THD+N ≤ 1%
0.1
0.2
0.3
0.4
0.5
Output Power (W)
Power Supply Rejection Ratio vs. Frequency
0
V_CC = 5V, R_L = 8Ω
-20
Input 10Ω Terminated
200mV_P-P
-40
-60
-80
-100
0.01
0.1
1
10
100
Frequency (kHz)
Power Supply Rejection Ratio vs. Frequency
0
V_CC = 3V, R_L = 8Ω
-20
Input 10Ω Terminated
200mV_P-P
-40
-60
-80
-100
0.01
0.1
1
10
100
Frequency (kHz)
THD+N vs. Frequency
1
0.1
0.01
0.001
0.01
V_CC = 5V
R_L = 8Ω
P_O = 600mW
No filters
0.1
1
10
100
Frequency (kHz)
Output Power vs. Supply Voltage
2.5
R_L = 8Ω
2
1.5
THD+N = 10%
1
THD+N = 1%
0.5
0
2.5
3
3.5
4
4.5
5
5.5
Supply Voltage (V)
SG Micro Corp
5
www.sg-micro.com