SGM4895 Datasheet, PDF (6/13 Pages) SG Micro Corp – Audio Power Amplifier

SGM4895
1.3W Fully Differential
Audio Power Amplifier
TYPICAL PERFORMANCE CHARACTERISTICS
At T_A = +25℃, A_V = 1, f = 1kHz, C_B = 1µF, unless otherwise noted.
Clipping (Dropout) Voltage vs. Supply Voltage
0.5
R_L = 8Ω
0.4
Top
0.3
0.2
Bottom
0.1
0
2.5
3
3.5
4
4.5
5
5.5
Supply Voltage (V)
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)
Output Power vs. Supply Voltage
2.5
R_L = 4Ω
2
THD+N = 10%
1.5
1
THD+N = 1%
0.5
0
2.5
3
3.5
4
4.5
5
5.5
Supply Voltage (V)
1.6
1.4
1.2
1
0.8
0.6
0.4
0
Power Dissipation vs. Output Power
V₊ = 5.0V
R_L = 4Ω
BW < 80kHz
THD+N ≤ 1%
0.5
1
1.5
2
Output Power (W)
SG Micro Corp
6
www.sg-micro.com