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LM2005T-S bảng dữ liệu(PDF) 5 Page - National Semiconductor (TI) |
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5 / 8 page External Components (Figure 2) Components Comments 1 R1 R2 Sets voltage gain R5 R4 AVj1a R R1 for one channel AVe1a R R5 for the other Where R’ is the equivalent resistance of R2 in parallel with an internal 10k resistor R e 10k R2 R2a10k If R2 m 10k then AVj1a R2 R1 2 R3 Adjusts output symmetry for maximum power output 3 RO CO Works to stabilize internal output stage Necessary for stability CO should be ceramic disc or equivalently good high frequency capacitor 4 C1 C9 Input coupling capacitor Low frequency pole set by FL1e 1 2qZ (non-inverting) C1 Decreasing capacitor value will also increase noise Components Comments 5 C4 C5 Bootstrap capacitors used to increase drive to output stage 6 C3 Improves power supply rejection Increasing C3 increases turn-on delay (approximately 2 ms per mF) 7 C2 C6 Inverting input DC decouple Low frequency pole FL2e 1 2qZ(inverting)C2 Z (inverting) 10 kX 8 CC Output coupling capacitor Isolates pins 10 and 8 from load Low frequency pole FL3e 1 2qRLCC 9 CS Power supply filtering Typical Applications (Continued) TLH5129 – 4 FIGURE 2 10WChannel Stereo Amplifier Application and Test Circuit 5 |
Số phần tương tự - LM2005T-S |
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Mô tả tương tự - LM2005T-S |
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