UNISONIC TECHNOLOGIES CO.
, LTD M7240 3 1/2 LCD DISPLAY DRIVER, A/D CONVERTERS „ DESCRIPTION The UTC M7240 is a low voltage power supply of three half A/D conversion IC.
With the M7240, the product can be assembled the digital gauge outfit and digital multimeters with 3V batteries supply.
The M7240 has hare the following features: using the only two batteries of 7V or a 3V lithium batteries can work for long time the chip contains an internal clock generator which can be fine-tuned by a resistor, slicing the band gap in design makes the benchmark signals shift and temperature shift noise greatly improve, slicing the negative power produced within the circuit design, the maximum load current...

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