參數(shù)資料
型號: TS4998IQT
廠商: STMICROELECTRONICS
元件分類: 音頻/視頻放大
英文描述: 1 W, 2 CHANNEL, AUDIO AMPLIFIER, QCC16
封裝: 4 X 4 MM, ROHS COMPLIANT, QFN-16
文件頁數(shù): 5/33頁
文件大小: 488K
代理商: TS4998IQT
TS4998
Electrical characteristics
13/33
Figure 26.
PSRR vs. frequency
Figure 27.
PSRR vs. frequency
100
1000
10000
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
Vcc = 2.7V
Vripple = 200mVpp
G = +6dB
Cb = 1
μF, Cin = 4.7μF
Inputs Grounded
Tamb = 25
°C
PSRR
(dB)
Frequency (Hz)
100
1000
10000
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
Vcc = 2.7V
Vripple = 200mVpp
G = +12dB
Cb = 1
μF, Cin = 4.7μF
Inputs Grounded
Tamb = 25
°C
PSRR
(dB)
Frequency (Hz)
Figure 28.
PSRR vs. frequency
Figure 29.
PSRR vs. common mode input
voltage
100
1000
10000
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
Vcc = 2.7V
Vripple = 200mVpp
Cb = 1
μF
Inputs Floating
Tamb = 25
°C
PSR
R
(dB
)
Frequency (Hz)
01234
5
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
Vcc=3.3V
Vripple = 200mVpp
F = 217Hz, G = +6dB
Cb = 1
μF, RL 8Ω
Tamb = 25°C
Vcc=2.7V
PS
RR
(dB
)
Common Mode Input Voltage (V)
Vcc=5V
Figure 30.
CMRR vs. frequency
Figure 31.
CMRR vs. frequency
100
1000
10000
-70
-60
-50
-40
-30
-20
-10
0
Vcc = 5V
RL
8Ω
G = +6dB
Vic = 200mVpp
Cb = 1
μF, Cin = 4.7μF
Tamb = 25°C
CM
RR
(
d
B)
Frequency (Hz)
100
1000
10000
-70
-60
-50
-40
-30
-20
-10
0
Vcc = 5V
RL
8Ω
G = +12dB
Vic = 200mVpp
Cb = 1
μF, Cin = 4.7μF
Tamb = 25°C
CM
RR
(
d
B)
Frequency (Hz)
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