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| NS pH仪解决方案 | |||||
作者：NS 文章来源：本站 点击数： 更新时间：2007-3-19  |
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 pH meters play an important role in industrial process controls. Chemical facilities, biological research companies and civilian water treatment plants need accurate and reliable pH meters to monitor and improve water quality and safety. Nationals small packaging and reliable, efficient power management meet the requirement portable pH units have for operating over long periods of time without changing batteries. These products also can withstand wide temperature ranges, allowing the meters to be used in any environment. Component Highlights *Op Amps - extremely low input bias current under 2 picoamps. *Microcontroller - RISC core with on-chip SRAM and Flash memory provides high computing bandwidth, and additional integration gives high I/O bandwidth and system expandability. *ADC - high-speed, high-resolution converters keep system power dissipation low. *DAC - high-resolution, wide dynamic range converters interface easily with microprocessors 1 Op Amp LMV791MK LPV7215MG LPV7215MGX 2 Reference LM4120 LM4125 LM4140 3 ADC CLC5957MTD CLC5957MTDX 4 Device Connectivity Processor  5 Reference LM4120 LM4125 LM4140 6 DAC DAC081S101CIMK DAC081S101CIMKX DAC081S101CIMM 7 Op Amp LMP2011MA LMP2011MAX LMP2011MF 8 LED Drivers LM2704 LM2705 LM2750 9 Temp Sensors LM32 LM63 LM70 10 Charger LM3655TL LM3655TLX LM3658SD 11 Backup LM26001 LM2622 LM2698 12 Voltage Regulator LM1572 LM1770 LM25005 |
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