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MLX92232 データシート(PDF) 8 Page - Melexis Microelectronic Systems |
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MLX92232 データシート(HTML) 8 Page - Melexis Microelectronic Systems |
8 / 12 page MLX92232 End of line programmable Hall-effect Latch / Switch 3901092232 – REV 2 Page 8 of 12 Nov/14 8 Application Information 8.1 Typical Three-Wire Application Circuit C1 22nF VDD GND OUT RPU 10k VCC VOUT Notes: 1. For proper operation, a 10nF to 22nF bypass capacitor should be placed as close as possible to the VDD and ground pin. 2. The pull-up resistor RPU value should be chosen in to limit the current through the output pin below the maximum allowed continuous current for the device. 3. A capacitor connected to the output is not needed, because the output slope is generated internally. MLX92232 8.2 Harsh, Noisy Environments Three-Wire Circuit C1 22nF VDD GND OUT C2 2.2nF RPU 10k VCC VOUT R1 100 Ohms Z1 D1 Notes: 1. For proper operation, a 10nF to 22nF bypass capacitor should be placed as close as possible to the VDD and ground pin. 2. The device could tolerate negative voltage down to -27V, so if negative transients over supply line VPEAK< -32V are expected, usage of the diode D1 is recommended. Otherwise only R1 is sufficient. When selecting the resistor R1, three points are important: - the resistor has to limit IDD/IDDREV to 50mA maximum - the resistor has to withstand the power dissipated in both over voltage conditions (VR1 2/R1) - the resulting device supply voltage VDD has to be higher than VDD min (VDD = VCC – R1.IDD) 3. The device could tolerate positive supply voltage up to +27V (until the maximum power dissipation is not exceeded), so if positive transients over supply line with VPEAK> 32V are expected, usage a zener diode Z1 is recommended. The R1-Z1 network should be sized to limit the voltage over the device below the maximum allowed. 4. Limit C1 to max. 22nF and C2 to 2.2nF in case end of line programming is requested. MLX92232 |
同様の部品番号 - MLX92232 |
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同様の説明 - MLX92232 |
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