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参数资料
| 型号： | TS4974IQT |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频控制 |
| 英文描述： | 1 CHANNEL(S), VOLUME CONTROL CIRCUIT, DSO10 |
| 封装： | 3 X 3 MM, 0.50 MM PITCH, ROHS COMPLIANT, DFN-10 |
| 文件页数： | 4/25页 |
| 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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相关代理商/技术参数 |
参数描述 |
|---|---|
| TS4975 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Stereo Headphone Drive Amplifier with Digital Volume Control via I2C Bus |
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| TS4975EIJT | 功能描述:音频放大器 Stereo headphone amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TS4982IQT | 功能描述:音频放大器 2W Stereo Audio Amp 125 mW 16 ohm 3 lvl RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TS4984 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:2 x 1W Stereo audio power amplifier with active low standby mode |
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