參數(shù)資料
型號: TS4974IQT
廠商: STMICROELECTRONICS
元件分類: 音頻控制
英文描述: 1 CHANNEL(S), VOLUME CONTROL CIRCUIT, DSO10
封裝: 3 X 3 MM, 0.50 MM PITCH, ROHS COMPLIANT, DFN-10
文件頁數(shù): 4/25頁
文件大小: 319K
代理商: TS4974IQT
Electrical characteristics
TS4974
12/25
Figure 20.
CMRR vs. frequency
Figure 21.
CMRR vs. frequency
100
1000
10000
-80
-70
-60
-50
-40
-30
-20
-10
0
G=12dB
Cb=1, 0.47, 0.1
μF
G=0dB
Cb=1, 0.47, 0.1
μF
Vcc = 5V
RL
8Ω
Tamb = 25°C
CM
RR
(
d
B)
Frequency (Hz)
100
1000
10000
-80
-70
-60
-50
-40
-30
-20
-10
0
G=12dB
Cb=1, 0.47, 0.1
μF
G=0dB
Cb=1, 0.47, 0.1
μF
Vcc = 3.3V
RL
8Ω
Tamb = 25°C
CM
RR
(
d
B)
Frequency (Hz)
Figure 22.
CMRR vs. frequency
Figure 23.
SNR vs. supply voltage
100
1000
10000
-80
-70
-60
-50
-40
-30
-20
-10
0
G=12dB
Cb=1, 0.47, 0.1
μF
G=0dB
Cb=1, 0.47, 0.1
μF
Vcc = 2.6V
RL
8Ω
Tamb = 25°C
CMRR
(dB)
Frequency (Hz)
2.5
3.0
3.5
4.0
4.5
5.0
5.5
90
92
94
96
98
100
102
104
106
108
110
RL=16
Ω
RL=8
Ω
A - weighted filter
F = 1kHz
G = 0dB
THD + N < 0.5%
Tamb = 25
°C
SN
R
(dB
)
Vcc (V)
Figure 24.
SNR vs. supply voltage
Figure 25.
SNR vs. supply voltage
2.5
3.0
3.5
4.0
4.5
5.0
5.5
90
92
94
96
98
100
102
104
106
108
110
RL=16
Ω
RL=8
Ω
A - weighted filter
F = 1kHz
G = +12dB
THD + N < 0.5%
Tamb = 25
°C
SN
R
(dB
)
Vcc (V)
2.5
3.0
3.5
4.0
4.5
5.0
5.5
90
92
94
96
98
100
102
104
106
108
110
RL=16
Ω
RL=8
Ω
Unweighted filter (20Hz to 20kHz)
F = 1kHz
G = 0dB
THD + N < 0.5%
Tamb = 25
°C
SN
R
(dB
)
Vcc (V)
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