我公司开发研制的ABS传感器霍尔元件SC9344， Features High sensitivity Two-wire current interface Zero speed detection Short circuit protection Insensitive to orientation Wide voltage working range Self-adjusting magnetic range On-chip 12 bit A/D converter High speed operation No chopper delay applications RoHS compliant Application Camshaft sensor Gear tooth sensor Speed sensor Direction detection The SC9344 is a sophisticated IC featuring an on-chip 12-bit A/D Converter and logic that acts as a digital sample and hold circuit. A separate 6-bit D/A converter provides a fixed hysteresis. The SC9344 does not have a chopper delay. The SC9344 uses a single Hall plate which is immune to rotary alignment problems. The bias magnet can be from 1000GS to 4000Gs. As the signal is sampled, the logic recognizes an increasing or decreasing flux density. The output has been designed as a two wire current interface. The IDD(off) is 4mA (Typ.) when the flux has reached its peak and decreased by an amount equal to the hysteresis. Similarly the IDD(on) will reach to 16mA (Typ.) when the flux has reached its minimum value and increased by an amount equal to the hysteresis. SIP- 4 标签：     苏州市abs传感器霍尔   苏州市abs传感器霍尔厂家

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