参数资料
型号: TS4994EIKJT
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: 5/35页
文件大小: 694K
代理商: TS4994EIKJT
TS4994FC
Electrical characteristics
13/35
Figure 32.
PSRR vs. common mode input
voltage
Figure 33.
CMRR vs. frequency
0.0
0.5
1.0
1.5
2.0
2.5
-100
-80
-60
-40
-20
0
Cb=1
μF
Cb=0.47
μF
Cb=0.1
μF
Cb=0
Vcc = 2.5V
Vripple = 200mVpp
Inputs Grounded
F = 217Hz
Av = 1
RL
≥ 8Ω
Tamb = 25
°C
PSRR(
dB)
Common Mode Input Voltage (V)
100
1000
10000
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
Cb=1
μF
Cb=0.47
μF
Cb=0.1
μF
Cb=0
20k
20
Vcc = 5V
Vic = 200mVpp
Av = 1, Cin = 470
μF
RL
≥ 8Ω
Tamb = 25
°C
CMRR
(
d
B)
Frequency (Hz)
Figure 34.
CMRR vs. frequency
Figure 35.
CMRR vs. frequency
100
1000
10000
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
Cb=1
μF
Cb=0.47
μF
Cb=0.1
μF
Cb=0
20k
20
Vcc = 3.3V
Vic = 200mVpp
Av = 1, Cin = 470
μF
RL
≥ 8Ω
Tamb = 25
°C
CMRR
(
d
B)
Frequency (Hz)
100
1000
10000
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
Cb=1
μF
Cb=0.47
μF
Cb=0.1
μF
Cb=0
20k
20
Vcc = 2.6V
Vic = 200mVpp
Av = 1, Cin = 470
μF
RL
≥ 8Ω
Tamb = 25
°C
CMRR
(
d
B)
Frequency (Hz)
Figure 36.
CMRR vs. frequency
Figure 37.
CMRR vs. frequency
100
1000
10000
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
Cb=1
μF
Cb=0.47
μF
Cb=0.1
μF
Cb=0
20k
20
Vcc = 5V
Vic = 200mVpp
Av = 2.5, Cin = 470
μF
RL
≥ 8Ω
Tamb = 25
°C
CMRR
(
d
B)
Frequency (Hz)
100
1000
10000
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
Cb=1
μF
Cb=0.47
μF
Cb=0.1
μF
Cb=0
20k
20
Vcc = 3.3V
Vic = 200mVpp
Av = 2.5, Cin = 470
μF
RL
≥ 8Ω
Tamb = 25
°C
CMRR
(
d
B)
Frequency (Hz)
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