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SM8222BS 数据表(PDF) 7 Page - Nippon Precision Circuits Inc |
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SM8222BS 数据表(HTML) 7 Page - Nippon Precision Circuits Inc |
7 / 15 page SM8222A/B NIPPON PRECISION CIRCUITS—7 Dual tone detector s SM8222A VDD = 3.0 ± 0.3 V, GND = 0 V, fCLK = 3.579545 MHz, Ta = −20 to 85 °C s SM8222B VDD = 5.0 ± 0.5 V, GND = 0 V, fCLK = 3.579545 MHz, Ta = −20 to 85 °C P arameter Symbol Condition Rating Unit min typ m a x Low tone frequency fL – 2130 – Hz High tone frequency fH – 2750 – Hz Detection frequency deviation 1.1 – – % No-detection frequency deviation 3.5 – – % Detection sensitivity −37.78 – – dBm No-detection sensitivity – – −43.78 dBm Signal level difference – – 6 dB P arameter Symbol Condition Rating Unit min typ m a x Low tone frequency fL – 2130 – Hz High tone frequency fH – 2750 – Hz Detection frequency deviation 1.1 – – % No-detection frequency deviation 3.5 – – % Detection sensitivity −37.78 – – dBm No-detection sensitivity – – −43.78 dBm Signal level difference – – 6 dB |
类似零件编号 - SM8222BS |
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类似说明 - SM8222BS |
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