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參數資料
| 型號： | TS4657IQT |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2 CHANNEL, AUDIO AMPLIFIER, QCC20 |
| 封裝： | 4 X 4 MM, ROHS COMPLIANT, QFN-20 |
| 文件頁數： | 7/26頁 |
| 文件大小： | 1412K |
| 代理商： | TS4657IQT |
TS4657
Electrical characteristics
15/26
Figure 31.
Signal to noise ratio vs. input level
Figure 32.
Signal to noise ratio vs. input level
A-Weighted
V
CC
= 5V
R
L
= 10k
Ω
FS = 32kHz
Input Data = 18bits
F
IN
= 1kHz
LPF = 20kHz
T
AMB
= 25
°C
Unweighted
A-Weighted
V
CC
= 5V
R
L
= 10k
Ω
FS = 48kHz
Input Data = 16bits
F
IN
= 1kHz
LPF = 20kHz
T
AMB
= 25
°C
Unweighted
Figure 33.
Signal to noise ratio vs. input level
Figure 34.
Total harmonic distortion and noise
vs. frequency
A-Weighted
V
CC
= 5V
R
L
= 10k
Ω
FS = 48kHz
Input Data = 18bits
F
IN
= 1kHz
LPF = 20kHz
T
AMB
= 25
°C
Unweighted
V
CC
= 3V
R
L
= 10k
Ω
FS = 32kHz
Input Data = 16bits
V
IN
= -6dBFS
Unweighted
LPF = 20kHz
T
AMB
= 25
°C
20k
20
Figure 35.
Total harmonic distortion and noise
vs. frequency
Figure 36.
Total harmonic distortion and noise
vs. frequency
V
CC
= 3V
R
L
= 10k
Ω
FS = 32kHz
Input Data = 18bits
V
IN
= -6dBFS
Unweighted
LPF = 20kHz
T
AMB
= 25
°C
20k
20
V
CC
= 3V
R
L
= 10k
Ω
FS = 48kHz
Input Data = 16bits
V
IN
= -6dBFS
Unweighted
LPF = 20kHz
T
AMB
= 25
°C
20k
20
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