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FM20 データシート(PDF) 5 Page - Fairchild Semiconductor |
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FM20 データシート(HTML) 5 Page - Fairchild Semiconductor |
5 / 9 page PRODUCT SPECIFICATION FM20 REV. 1.0.6 1/9/03 5 In environments that are particularly noisy it may be neces- sary to add a low-pass filter network to the output of the device. As shown below, a 1µF capacitor in addition to the output impedance of the device and a 200 Ω series resistor for a low-pass filter that will pass the slow thermal time con- stant of the FM20, while filtering the higher frequency noise. The response time of the FM20 can be affected by this filter network, therefore values for CFILTER < 1500pF are recom- mended. Figure 3. FM20 with Filter Network for Noisy Environments or for Capacitive Loads Greater than 300pF Table 1. Resistor/Capacitor Combinations for Filter Network RFILTER CFILTER 200 Ω 1µF 470 Ω 0.1µF 680 Ω 0.01µF 1000 Ω 1000pF 10k Ω 100pF 100k Ω 10pF 0.1 µF Bypass Cap VDD GND VOUT CFILTER RFILTER CL 0.1 µF Bypass Cap V DD GND VOUT CFILTER RFILTER CL |
同様の部品番号 - FM20 |
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同様の説明 - FM20 |
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