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Part Name
Description
TS4985EKIJT View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
TS4985EKIJT
2 X 1.2W Stereo Audio Power Amplifier with Dedicated Standby Pins
STMicroelectronics
TS4985EKIJT Datasheet PDF : 29 Pages
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TS4985
Electrical Characteristics
Figure 8. Power supply rejection ratio (PSRR) Figure 9. Power supply rejection ratio (PSRR)
vs. frequency
vs. frequency
0
-10
Vripple = 200mVpp
Rfeed = 22k
Ω
-20
Input = Floating
Cb = 0.1
µ
F
-30
RL >= 4
Ω
Tamb = 25
°
C
-40
Vcc = 2.2, 2.6, 3.3, 5V
-50
-60
-70
-80
100
1000
10000
Frequency (Hz)
100000
0
-10
Vripple = 200mVpp
Rfeed = 22k
Ω
-20
Input = Floating
Cb = 1
µ
F
-30
RL >= 4
Ω
Tamb = 25
°
C
-40
Vcc = 2.2, 2.6, 3.3, 5V
-50
-60
-70
-80
100
1000
10000
Frequency (Hz)
100000
Figure 10. Power supply rejection ratio (PSRR) Figure 11. Power supply rejection ratio (PSRR)
vs. frequency
vs. frequency
0
Vripple = 200mVpp
-10
Av = 2
Input = Grounded
-20
Cb = 0.1
µ
F, Cin = 1
µ
F
RL >= 4
Ω
Tamb = 25
°
C
-30
-40
Vcc = 5, 3.3, 2.5 & 2.2V
-50
-60
100
1000
10000
Frequency (Hz)
100000
0
Vripple = 200mVpp
-10
Av = 2
Input = Grounded
-20
Cb = Cin = 1
µ
F
RL >= 4
Ω
-30
Tamb = 25
°
C
-40
-50
Vcc :
2.2V
2.6V
3.3V
5V
-60
-70
100
1000
10000
Frequency (Hz)
100000
Figure 12. Power supply rejection ratio (PSRR) Figure 13. Power supply rejection ratio (PSRR)
vs. frequency
vs. frequency
0
Vripple = 200mVpp
-10
Av = 2
Input = Grounded
-20
Cb = 0.1
µ
F, Cin = 1
µ
F
RL >= 4
Ω
Tamb = 25
°
C
-30
-40
Vcc = 5, 3.3, 2.5 & 2.2V
-50
-60
100
1000
10000
Frequency (Hz)
100000
0
Vripple = 200mVpp
-10
Av = 10
Input = Grounded
Cb = Cin = 1
µ
F
-20
RL >= 4
Ω
Tamb = 25
°
C
-30
Vcc :
2.2V
2.6V
3.3V
5V
-40
-50
100
1000
10000
Frequency (Hz)
100000
9/29
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