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Technical Specifications
Parameters and characteristics for this part
| Specification | LM2917MX-8 |
|---|---|
| Frequency - Max [Max] | 10 kHz |
| Linearity | 0.3 % |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC |
| Package / Case [x] | 0.154 in |
| Package / Case [y] | 3.9 mm |
| Supplier Device Package | 8-SOIC |
| Type | Frequency to Voltage |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Cut Tape (CT) | 1 | $ 2.35 | |
| Digi-Reel® | 1 | $ 2.35 | ||
| Tape & Reel (TR) | 2500 | $ 1.22 | ||
| 5000 | $ 1.19 | |||
| 7500 | $ 1.18 | |||
Description
General part information
LM2917-N Series
The LM2907 and LM2917 devices are monolithic frequency-to-voltage converters with a high gain op amp 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 (8-pin LM2907 and LM2917), and its output swings to ground for a zero frequency input.
The op amp 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 VCCup to a maximum VCEof 28 V.
The two basic configurations offered include an 8-pin device with a input and an internal connection between the tachometer output and the op amp noninverting input. This version is well suited for single speed or frequency switching or fully buffered frequency-to-voltage conversion applications.
Documents
Technical documentation and resources
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