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參數(shù)資料
| 型號(hào)： | AMIS-14935 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Audio Amplifier |
| 中文描述： | 音頻放大器 |
| 文件頁數(shù)： | 8/9頁 |
| 文件大小： | 1230K |
| 代理商： | AMIS-14935 |
AMIS-14935
Audio Amplifier
Using AMIS-14935 in Hearing Assist Applications
AMI Semiconductor
www.amis.com
8
Notes:
1. When using volume control potentiometer, keep input
resistor between 25kOhm to 50kOhm for optimum
performance. Using lower than 25k may cause higher
distortion and using higher than 50k may cause output noise
to increase.
2. Input coupling capacitor (C2) must be present. Forms a
high pass filter together with resistor R1 with an approximate
corner frequency of 1/(2*3.14*R1*C2).
3. R2 and C3 facilitate supply filtering for microphone. The
suggested values are indications only and are dependent on
microphone characteristic, quality of supply and supply
rejection needed.
4. Bypass capacitor may or may not be needed. Shall be kept
low (less than 1μF) since a high value capacitance supply to
ground may cause audible noise at power down.
5. IMPSel pin (Impedance select) should generally be tied to
ground for minimum switch impedance and maximum drive
capability.
A
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