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LM2917N

LM2917N

  • Mã sản phẩm: TP004904
    Tồn kho: 1 Chiếc
  • Nhà sx: Đang cập nhật
    Trọng lượng: 0 gram
  • Thêm lúc:2015-03-02
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  • Giá: 47.000đ
    Đánh giá: comment rank 5
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Thông số kỹ thuật

 The LM2907, LM2917 series are monolithic  frequency to voltage converters with a high gain op amp/comparator designed to operate a relay, lamp, or other load when the input frequency reaches or exceeds a selected rate. The tachometer uses a charge pump technique and offers frequency doubling for low ripple, full input protection in two versions (LM2907-8, LM2917-8) and its output swings to ground for a zero frequency input. The op amp/comparator is fully compatible with the tachometer and has a floating transistor as its output. This feature allows either a ground or supply referred load of up to 50 mA. The collector may be taken above VCC up to a maximum VCE of 28V.  The two basic configurations offered include an 8-pin device with a ground referenced tachometer input  and an internal connection between the tachometer output and the op amp non-inverting input. This version is well suited for single speed or frequency switching or fully buffered frequency to voltage conversion applications. The more versatile configurations provide differential tachometer input and uncommitted op amp inputs.  With this version the tachometer input may be floated and the op amp becomes suitable for active filter conditioning of the tachometer output.  Both of these configurations are available with an active shunt regulator connected across the power leads. The regulator clamps the supply such that  stable frequency to voltage and frequency to current operations are possible with any supply voltage and a suitable resistor.
Datasheet

Frequency Range 10kHz
Type Frequency to Voltage
Linearity ±0.3%
Mounting Type Through Hole
Frequency - Max 10kHz
Package / Case 14-DIP

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