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参数资料
| 型号： | TS4973EIJT |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 1.2 W, 1 CHANNEL, AUDIO AMPLIFIER, BGA9 |
| 封装： | LEAD FREE, FCP-9 |
| 文件页数： | 13/19页 |
| 文件大小： | 721K |
| 代理商： | TS4973EIJT |
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Electrical Characteristics
TS4973
3/19
2
Electrical Characteristics
Table 3: Electrical Characteristics - VCC = +5V, GND = 0V, Tamb = 25°C (unless otherwise
specified)
Symbol
Parameter
Min.
Typ.
Max.
Unit
ICC
Supply Current
No input signal, no load
68
mA
ISTANDBY
Standby Current
No input signal, VGS = Gnd, Vstdby = Gnd, RL = 8
10
1000
nA
Voo
Output Offset Voltage
No input signal, RL = 8
550
mV
Po
Output Power
THD = 1% Max, f = 1kHz, RL = 8
0.85
1.2
W
BTL GAIN
GS = Low (Av = 2)
input signal Vin = 100mV rms, No load
5.666.4
dB
THD + N
Total Harmonic Distortion + Noise
Po = 900mW rms, GS = Low (Av = 2)
20Hz < F < 20kHz, RL = 8
0.5
%
PSRR
Power Supply Rejection Ratio1
F = 217Hz, RL = 8
, GS = Low (Av = 2)
Vripple = 200mVpp, Input Grounded, Cin = 220nF, Cb = 1F
1)
Dynamic measurements - 20*log(rms(Vout)/rms (Vripple)). Vripple is an added sinus signal to Vcc @ F = 217Hz
53
dB
PSRR
Power Supply Rejection Ratio2
F = 217Hz, RL = 8
, GS = Low (Av = 2)
Vripple = 200mVpp, Input Floating, Cb = 1F
2)
Dynamic measurements - 20*log(rms(Vout)/rms (Vripple)). Vripple is an added sinus signal to Vcc @ F = 217Hz
70
dB
Zin
Input Impedance
GS = Low (Av = 2)
37.5
50
62.5
K
Rfeed
Internal Feedback Resistor
37.5
50
62.5
K
VN
Output Voltage Noise F = 20Hz to 20kHz, RL = 8
Unweighted, Vstdby = Gnd
A weighted, Vstdby = Gnd
Unweighted, GS = Low (Av = 2)
A weighted, GS = Low (Av = 2)
Unweighted, GS = High (Av = 10)
A weighted, GS = High (Av = 10)
6
2.5
23
15
56
40
V
RMS
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TS4973IJT | 制造商:STMicroelectronics 功能描述: |
| TS4974 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:1W Differential Audio Power Amplifier with Up/Down Digital Volume Control Pins |
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| TS4974IQT | 功能描述:音频放大器 Audio Up-Dwn Volume 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 |
| 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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