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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
14/26
  
         
         
         
Figure 38.
PSSR vs. common mode input 
voltage
Figure 39.
PSSR vs. common mode input 
voltage
0
1
2
3
4
5
-100
-80
-60
-40
-20
0
20
Vcc = 5V
Vripple = 200mVpp
F = 217Hz
G = 6dB
RL 
≥
 8
Ω
Tamb = 25°C
Cb=0.1
μ
F
Cb=0.47
μ
F
Cb=1
μ
F
PSR
R
 (dB)
Common Mode Input Voltage (V)
Cb=0
0.0
0.6
1.2
1.8
2.4
3.0
-100
-80
-60
-40
-20
0
20
Vcc = 3.3V
Vripple = 200mVpp
F = 217Hz
G = 6dB
RL 
≥
 8
Ω
Tamb = 25°C
Cb=0.1
μ
F
Cb=0.47
μ
F
Cb=1
μ
F
PSR
R (
d
B)
Common Mode Input Voltage (V)
Cb=0
Figure 40.
PSSR vs. common mode input 
voltage
Figure 41.
CMRR vs. frequency
0.0
0.5
1.0
1.5
2.0
2.5
-100
-80
-60
-40
-20
0
20
Vcc = 2.6V
Vripple = 200mVpp
F = 217Hz
G = 6dB
RL 
≥
 8
Ω
Tamb = 25°C
Cb=0.1
μ
F
Cb=0.47
μ
F
Cb=1
μ
F
PSR
R (
d
B)
Common Mode Input Voltage (V)
Cb=0
100
1000
10000
-80
-70
-60
-50
-40
-30
-20
-10
0
Vcc = 5V
G = 6dB
Vic = 200mVpp
RL 
≥
 8
Ω
Cin = 470
μ
F
Tamb = 25
°
C
CMR
R
 (dB)
Frequency (dB)
Cb=1
μ
F
Cb=0.47
μ
F
Cb=0.1
μ
F
Cb=0
Figure 42.
CMRR vs. frequency
Figure 43.
CMRR vs. frequency
100
1000
10000
-80
-70
-60
-50
-40
-30
-20
-10
0
Vcc = 3.3V
G = 6dB
Vic = 200mVpp
RL 
≥
 8
Ω
Cin = 470
μ
F
Tamb = 25
°
C
CMR
R
 (dB)
Frequency (dB)
Cb=1
μ
F
Cb=0.47
μ
F
Cb=0.1
μ
F
Cb=0
100
1000
10000
-80
-70
-60
-50
-40
-30
-20
-10
0
Vcc = 2.6V
G = 6dB
Vic = 200mVpp
RL 
≥
 8
Ω
Cin = 470
μ
F
Tamb = 25
°
C
CMR
R
 (dB)
Frequency (dB)
Cb=1
μ
F
Cb=0.47
μ
F
Cb=0.1
μ
F
Cb=0