TS4994EIKJT STMICROELECTRONICS [STMicroelectronics], TS4994EIKJT Datasheet - Page 12

• Manufacturer Part Number: TS4994EIKJT
• Description: 1.2 W differential input/output audio power amplifier with selectable standby
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Electrical characteristics
12/35
Figure 26. PSRR vs. frequency
Figure 28. PSRR vs. frequency
Figure 30. PSRR vs. common mode input
-100
-110
-120
-100
-110
-120
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-60
-70
-80
-90
-20
-40
-60
-80
0
0
0
20
20
0
Vcc = 2.6V
Vripple = 200mVpp
Inputs = Grounded
Av = 2.5, Cin = 4.7 μ F
RL ≥ 8 Ω
Tamb = 25 ° C
Vcc = 3.3V
Vripple = 200mVpp
Inputs = Floating
Rfeed = 20k Ω
RL ≥ 8 Ω
Tamb = 25 ° C
Vcc = 5V
Vripple = 200mVpp
Inputs Grounded
F = 217Hz
Av = 1
RL ≥ 8 Ω
Tamb = 25 ° C
voltage
1
100
100
Common Mode Input Voltage (V)
Cb=0
Cb=1 μ F
Frequency (Hz)
Frequency (Hz)
2
Cb=1 μ F
Cb=0.47 μ F
Cb=1 μ F
Cb=0.47 μ F
Cb=0.1 μ F
Cb=0.47 μ F
1000
1000
Cb=0.1 μ F
3
Cb=0.1 μ F
4
Cb=0
10000
Cb=0
10000
20k
20k
5
Figure 27. PSRR vs. frequency
Figure 29. PSRR vs. frequency
Figure 31. PSRR vs. common mode input
-100
-110
-120
-100
-110
-120
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-60
-70
-80
-90
-20
-40
-60
-80
0
0
0
20
20
0.0
Vcc = 5V
Vripple = 200mVpp
Inputs = Floating
Rfeed = 20k Ω
RL ≥ 8 Ω
Tamb = 25 ° C
Vcc = 2.6V
Vripple = 200mVpp
Inputs = Floating
Rfeed = 20k Ω
RL ≥ 8 Ω
Tamb = 25 ° C
Vcc = 3.3V
Vripple = 200mVpp
Inputs Grounded
F = 217Hz
Av = 1
RL ≥ 8 Ω
Tamb = 25 ° C
voltage
0.6
100
100
Common Mode Input Voltage (V)
Cb=0
1.2
Frequency (Hz)
Frequency (Hz)
Cb=1 μ F
Cb=1 μ F
Cb=1 μ F
Cb=0.47 μ F
Cb=0.1 μ F
Cb=0.47 μ F
Cb=0.47 μ F
1000
1000
1.8
Cb=0.1 μ F
Cb=0.1 μ F
2.4
Cb=0
10000
Cb=0
10000
TS4994FC
3.0
20k
20k