SGM4895_17 Datasheet, PDF (5/13 Pages) SG Micro Corp – 1.3W Fully Differential Audio Power Amplifier

SGM4895
1.3W Fully Differential
Audio Power Amplifier
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
At TA = +25℃, AV = 1, f = 1kHz, CB = 1µF, unless otherwise noted.
Pow er Dissipation vs. Output Pow er
0.3
Pow er Dissipation vs. Output Pow er
0.2
0.2
0.1
0
0
V₊ = 3.0V
R_L = 8Ω
BW < 80kHz
THD+N ≤ 1%
0.1 0.2 0.3 0.4 0.5 0.6
Output Pow er (W)
0.15
0.1
0.05
0
0
V₊ = 2.6V
R_L = 8Ω
BW < 80kHz
THD+N ≤ 1%
0.1
0.2
0.3
0.4
0.5
Output Pow er (W)
Pow er Supply Rejection Ratio vs. Frequency
-40
-60
-80
-100
-120
0.01
V₊ = 5.0V, R_L = 8Ω
Input 10Ω Terminated
200mV _P-P
0.1
1
10
100
Frequency (kHz)
Pow er Supply Rejection Ratio vs. Frequency
-40
-60
-80
-100
-120
0.01
V₊ = 3.0V, R_L = 8Ω
Input 10Ω Terminated
200mV _P-P
0.1
1
10
100
Frequency (kHz)
Common Mode Rejection Ratio vs. Frequency
-20
-40
-60
-80
-100
-120
0.01
V₊ = 5.0V, R_L = 8Ω
Input 10Ω Terminated
200mV _P-P
0.1
1
10
100
Frequency (kHz)
THD+N vs. Frequency
1
0.1
0.01
0.001
0.01
V₊ = 5.0V, R_L = 8Ω
P_O = 600mW
No filters
0.1
1
10
100
Frequency (kHz)
SG Micro Corp
www.sg-micro.com
MARCH 2017
5