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参数资料
| 型号： | TS472IQT |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 1 CHANNEL, AUDIO PREAMPLIFIER, QCC24 |
| 封装： | 4 X 4 MM, LEAD FREE, QFN-24 |
| 文件页数： | 19/24页 |
| 文件大小： | 622K |
| 代理商： | TS472IQT |
Typical application schematic
TS472
4/24
2
Typical application schematic
Figure 1 shows a typical application schematic for the TS472.
Figure 1.
Application schematic (flip-chip)
Table 2.
External component descriptions
Components
Functional description
Cin+, Cin-
Input coupling capacitors that block the DC voltage at the amplifier input
terminal.
Cout+, Cout-
Output coupling capacitors that block the DC voltage coming from the
amplifier output terminal (pins C2 and D2) and determine Lower cut-off
Rout+, Rout-
Output load resistors used to charge the output coupling capacitors Cout.
These output resistors can be represented by an input impedance of a
following stage.
Rpos, Rneg
Polarizing resistors for biasing of a microphone.
Cs
Supply bypass capacitor that provides power supply filtering.
Cb
Bypass pin capacitor that provides half-supply filtering.
C1, C2
Low pass filter capacitors allowing to cut the high frequency.
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