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STMicroelectronics 1.2 W fully differential audio power amplifier DEMOTS4995J DEMOTS4995J Data Sheet

Product codes
DEMOTS4995J
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Page of 26
Electrical characteristics
TS4995
10/26
  
         
         
         
Figure 14.
THD+N vs. output power
Figure 15.
THD+N vs. output power
1E-3
0.01
0.1
1
0.1
1
10
Vcc=2.6V
Vcc=3.3V
Vcc=5V
RL = 8
Ω
G = 6dB
F = 20kHz
Cb = 1
μ
F
BW < 125kHz
Tamb = 25
°
C
T
HD +
 N (
%
)
Output power (W)
1E-3
0.01
0.1
1
0.1
1
10
Vcc=2.6V
Vcc=3.3V
Vcc=5V
RL = 8
Ω
G = 6dB
F = 20kHz
Cb = 0
BW < 125kHz
Tamb = 25
°
C
T
HD +
 N (
%
)
Output power (W)
Figure 16.
THD+N vs. output power
Figure 17.
THD+N vs. output power
1E-3
0.01
0.1
1
0.01
0.1
1
10
Vcc=2.6V
Vcc=3.3V
Vcc=5V
RL = 16
Ω
G = 6dB
F = 20kHz
Cb = 1
μ
F
BW < 125kHz
Tamb = 25
°
C
T
HD +
 N (
%
)
Output power (W)
1E-3
0.01
0.1
1
0.01
0.1
1
10
Vcc=2.6V
Vcc=3.3V
Vcc=5V
RL = 16
Ω
G = 6dB
F = 20kHz
Cb = 0
BW < 125kHz
Tamb = 25
°
C
T
HD +
 N (
%
)
Output power (W)
Figure 18.
THD+N vs. frequency
Figure 19.
THD+N vs. frequency
100
1000
10000
0.01
0.1
1
10
Vcc=2.6V, Po=280mW
Vcc=3.3V, Po=500mW
T
HD +
 N (
%
)
Frequency (Hz)
RL = 4
Ω
G = 6dB
Cb = 1
μ
F
BW < 125kHz
Tamb = 25
°
C
Vcc=5V, Po=1000mW
100
1000
10000
0.01
0.1
1
10
Vcc=2.6V, Po=280mW
Vcc=3.3V, Po=500mW
T
HD +
 N (
%
)
Frequency (Hz)
RL = 4
Ω
G = 6dB
Cb = 0
BW < 125kHz
Tamb = 25
°
C
Vcc=5V, Po=1000mW