LM2917N-8/NOPB National Semiconductor, LM2917N-8/NOPB Datasheet
LM2917N-8/NOPB
Specifications of LM2917N-8/NOPB
*LM2917N-8/NOPB
LM2917-8
LM2917N-8
Available stocks
Related parts for LM2917N-8/NOPB
LM2917N-8/NOPB Summary of contents
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... Frequency to voltage conversion (tachometer) n Speedometers n Breaker point dwell meters n Hand-held tachometer n Speed governors n Cruise control n Automotive door lock control n Clutch control n Horn control n Touch or sound switches 00794201 Order Number LM2917M-8 or LM2917N-8 See NS Package Number M08A or N08E DS007942 May 2003 and below ground CC 00794202 www.national.com ...
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... Block and Connection Diagrams Order Number LM2907M or LM2907N See NS Package Number M14A or N14A www.national.com Dual-In-Line and Small Outline Packages, Top Views (Continued) 00794203 Order Number LM2917M or LM2917N See NS Package Number M14A or N14A 2 00794204 ...
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... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage Supply Current (Zener Options) Collector Voltage Differential Input Voltage Tachometer Op Amp/Comparator Input Voltage Range Tachometer LM2907-8, LM2917-8 LM2907, LM2917 ...
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Electrical Characteristics Note 5: Nonlinearity is defined as the deviation 68k and C2 = 0.22 mFd. Test Circuit and Waveform www.national.com (Continued pin 3) for kHz from a straight line defined ...
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Typical Performance Characteristics Total Supply Current Normalized Tachometer Output vs Temperature Tachometer Currents I and I vs Supply Voltage 3 00794240 00794242 2 00794244 5 Zener Voltage vs Temperature 00794241 Normalized Tachometer Output vs Temperature 00794243 Tachometer Currents I 2 ...
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Typical Performance Characteristics Tachometer Linearity vs Temperature Tachometer Linearity Amp Output Transistor Characteristics www.national.com (Continued) Tachometer Linearity 00794246 Tachometer Input Hysteresis 00794248 Op Amp Output Transistor 00794250 6 vs Temperature 00794247 vs Temperature 00794249 Characteristics 00794251 ...
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Applications Information The LM2907 series of tachometer circuits is designed for minimum external part count applications and maximum ver- satility. In order to fully exploit its features and advantages let’s examine its theory of operation. The first stage of op- ...
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Typical Applications www.national.com Minimum Component Tachometer 8 00794208 00794209 ...
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Typical Applications (Continued) Zener Regulated Frequency to Voltage Converter Breaker Point Dwell Meter 9 00794210 00794211 www.national.com ...
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Typical Applications www.national.com (Continued) Voltage Driven Meter Indicating Engine RPM = 6V @ 400 Hz or 6000 ERPM (8 Cylinder Engine) O Current Driven Meter Indicating Engine RPM = 300 Hz or 6000 ERPM ...
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Typical Applications (Continued) Capacitance Meter V = 1V–10V for C = 0.01 to 0.1 mFd OUT 111k) Two-Wire Remote Speed Switch 11 00794214 00794215 www.national.com ...
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Typical Applications Variable Reluctance Magnetic Pickup Buffer Circuits Precision two-shot output frequency equals twice input frequency. Pulse height = V ZENER www.national.com (Continued) 100 Cycle Delay Switch 00794239 12 00794216 00794217 ...
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Typical Applications (Continued) Finger Touch or Contact Switch ≥ 100 Hz. Flashing begins when f IN Flash rate increases with input frequency increase beyond trip point. 00794218 Flashing LED Indicates Overspeed 13 00794219 00794220 www.national.com ...
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Typical Applications Frequency to Voltage Converter with 2 Pole Butterworth Filter to Reduce Ripple Overspeed Latch www.national.com (Continued) 00794222 14 00794221 00794223 ...
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Typical Applications (Continued) Some Frequency Switch Applications May Require Hysteresis in the Comparator Function Which can be Implemented in Several Ways: 00794224 00794225 00794227 15 00794226 00794228 www.national.com ...
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Typical Applications Changing the Output Voltage for an Input Frequency of Zero Changing Tachometer Gain Curve or Clamping the Minimum Output Voltage www.national.com (Continued) 00794229 00794231 16 00794230 00794232 ...
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Anti-Skid Circuit Functions “Select-Low” Circuit “Select-High” Circuit “Select-Average” Circuit V is proportional to the lower of the two input wheel speeds. OUT 00794233 V is proportional to the higher of the two input wheel speeds. OUT 00794235 00794237 17 00794234 ...
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Equivalent Schematic Diagram * This connection made on LM2907-8 and LM2917-8 only. ** This connection made on LM2917 and LM2917-8 only. www.national.com 18 00794238 ...
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Physical Dimensions inches (millimeters) unless otherwise noted 8-Lead (0.150" Wide) Molded Small Outline Package, JEDEC Order Number LM2907M-8 or LM2917M-8 NS Package Number M08A Molded SO Package (M) Order Number LM2907M or LM2917M NS Package Number M14A 19 www.national.com ...
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... Physical Dimensions www.national.com inches (millimeters) unless otherwise noted (Continued) Molded Dual-In-Line Package (N) Order Number LM2907N-8 or LM2917N-8 NS Package Number N08E Molded Dual-In-Line Package (N) Order Number LM2907N or LM2917N NS Package Number N14A 20 ...
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... NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant ...