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LM4860M bảng dữ liệu(PDF) 3 Page - National Semiconductor (TI) |
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LM4860M bảng dữ liệu(HTML) 3 Page - National Semiconductor (TI) |
3 / 9 page High Gain Application Circuit Single Ended Application Circuit External Components Description ( Figures 1, 2) Components Functional Description 1. R i Inverting input resistance which sets the closed-loop gain in conjunction with R f. This resistor also forms a high pass filter with C i at fC = 1/(2π Ri Ci). 2. C i Input coupling capacitor which blocks DC voltage at the amplifier’s input terminals. Also creates a highpass filter with R i at fC = 1/(2π Ri Ci). 3. R f Feedback resistance which sets closed-loop gain in conjunction with R i. 4. C S Supply bypass capacitor which provides power supply filtering. Refer to the Application Information section for proper placement and selection of supply bypass capacitor. DS011988-3 FIGURE 2. Stereo Amplifier with A VD = 20 DS011988-4 *CS and CB size depend on specific application requirements and constraints. Typical values of CS and CB are 0.1 µF. **Pin 2, 6, or 7 should be connected to VDD to disable the amplifier or to GND to enable the amplifier. These pins should not be left floating. ***These components create a “dummy” load for pin 8 for stability purposes. FIGURE 3. Single-Ended Amplifier with A V = −1 www.national.com 3 |
Số phần tương tự - LM4860M |
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Mô tả tương tự - LM4860M |
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