On some occasions, the controlling system requires more programmable controller output points and does not require higher controlling functions.
在某些使用场合，控制系统需要较多的可编程控制器输出点数而对控制功能要求不高。
The LTC6915 is a precision programmable gain instrumentation amplifier with rail - to - rail output. The gain can be programmed to 14 levels through a parallel or serial interface.
LTC 6915是具有14级可编程增益的仪表放大器，采用轨对轨输出，其增益可通过串行或并行接口方便设置。
A double loop control method has been used, so the output current can accurately follow the programmable reference, and the flux imbalance is avoided.
采用双环控制，使输出电流能够高度精确跟踪电流编程基准，防止了偏磁。
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