参数资料
型号: TS4994EIJT
厂商: STMICROELECTRONICS
元件分类: 音频/视频放大
英文描述: 1.2 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9
封装: ROHS COMPLIANT, FCP-9
文件页数: 4/35页
文件大小: 694K
代理商: TS4994EIJT
Electrical characteristics
TS4994FC
12/35
Figure 26.
PSRR vs. frequency
Figure 27.
PSRR vs. frequency
100
1000
10000
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
Cb=0.1
μF
Cb=1
μF
Cb=0
20k
20
Cb=0.47
μF
Vcc = 2.6V
Vripple = 200mVpp
Inputs = Grounded
Av = 2.5, Cin = 4.7
μF
RL
≥ 8Ω
Tamb = 25
°C
PSRR
(
d
B)
Frequency (Hz)
100
1000
10000
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
Cb=0.1
μF
Cb=1
μF
Cb=0
20k
20
Cb=0.47
μF
Vcc = 5V
Vripple = 200mVpp
Inputs = Floating
Rfeed = 20k
Ω
RL
≥ 8Ω
Tamb = 25
°C
PSRR
(
d
B)
Frequency (Hz)
Figure 28.
PSRR vs. frequency
Figure 29.
PSRR vs. frequency
100
1000
10000
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
Cb=0.1
μF
Cb=1
μF
Cb=0
20k
20
Cb=0.47
μF
Vcc = 3.3V
Vripple = 200mVpp
Inputs = Floating
Rfeed = 20k
Ω
RL
≥ 8Ω
Tamb = 25
°C
PSRR
(
d
B)
Frequency (Hz)
100
1000
10000
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
Cb=0.1
μF
Cb=1
μF
Cb=0
20k
20
Cb=0.47
μF
Vcc = 2.6V
Vripple = 200mVpp
Inputs = Floating
Rfeed = 20k
Ω
RL
≥ 8Ω
Tamb = 25
°C
PSRR
(
d
B)
Frequency (Hz)
Figure 30.
PSRR vs. common mode input
voltage
Figure 31.
PSRR vs. common mode input
voltage
012
345
-100
-80
-60
-40
-20
0
Cb=1
μF
Cb=0.47
μF
Cb=0.1
μF
Cb=0
Vcc = 5V
Vripple = 200mVpp
Inputs Grounded
F = 217Hz
Av = 1
RL
≥ 8Ω
Tamb = 25
°C
PSRR(
dB)
Common Mode Input Voltage (V)
0.0
0.6
1.2
1.8
2.4
3.0
-100
-80
-60
-40
-20
0
Cb=1
μF
Cb=0.47
μF
Cb=0.1
μF
Cb=0
Vcc = 3.3V
Vripple = 200mVpp
Inputs Grounded
F = 217Hz
Av = 1
RL
≥ 8Ω
Tamb = 25
°C
PSRR(
dB)
Common Mode Input Voltage (V)
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