lm2907mx-8ep National Semiconductor Corporation, lm2907mx-8ep Datasheet
lm2907mx-8ep
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lm2907mx-8ep Summary of contents
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... Enhanced Diminishing Manufacturing Sources (DMS) Support Ordering Information PART NUMBER LM2907MX-8EP LM2917MXEP (Notes 1, 2) Note 1: For the following (Enhanced Plastic) versions, check for availablility: LM2907M-8EP, LM2907MEP, LM2907MXEP, LM2907N-8EP, LM2907NEP and LM2917M-8EP, LM2917MX-8EP, LM2917MEP, LM2917N-8EP, LM2917NEP. Parts listed with an "X" are provided in Tape & Reel and parts without an " ...
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Block and Connection Diagrams LM2907-8 See NS Package Number M08A or N08E LM2907 See NS Package Number M14A or N14A www.national.com Dual-In-Line and Small Outline Packages, Top Views 20090601 See NS Package Number M08A or N08E 20090603 See NS Package ...
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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 Collector Voltage Differential Input Voltage Tachometer Op Amp/Comparator Input Voltage Range Tachometer LM2907-8EP, LM2917-8EP LM2907EP, LM2917EP Electrical ...
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Test Circuit and Waveform www.national.com Tachometer Input Threshold Measurement 4 20090606 20090607 ...
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Typical Performance Characteristics Total Supply Current Normalized Tachometer Output vs Temperature Tachometer Currents I and I vs Supply Voltage 3 20090640 20090642 2 20090644 5 Zener Voltage vs Temperature 20090641 Normalized Tachometer Output vs Temperature 20090643 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 20090646 Tachometer Input Hysteresis 20090648 Op Amp Output Transistor 20090650 6 vs Temperature 20090647 vs Temperature 20090649 Characteristics 20090651 ...
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Applications Information The LM2907EP 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 20090608 20090609 ...
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Typical Applications (Continued) Zener Regulated Frequency to Voltage Converter Breaker Point Dwell Meter 9 20090610 20090611 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 20090614 20090615 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 20090639 12 20090616 20090617 ...
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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. 20090618 Flashing LED Indicates Overspeed 13 20090619 20090620 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) 20090622 14 20090621 20090623 ...
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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: 20090624 20090625 20090627 15 20090626 20090628 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) 20090629 20090631 16 20090630 20090632 ...
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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 20090633 V is proportional to the higher of the two input wheel speeds. OUT 20090635 20090637 17 20090634 ...
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Equivalent Schematic Diagram *This connection made on LM2907-8EP and LM2917-8EP only. **This connection made on LM2917EP and LM2917-8EP only. www.national.com 18 20090638 ...
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Physical Dimensions inches (millimeters) unless otherwise noted 8-Lead (0.150" Wide) Molded Small Outline Package, JEDEC NS Package Number M08A 14-Lead Molded SO Package 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) NS Package Number N08E Molded Dual-In-Line Package (N) 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 ...