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LM34C датащи(PDF) 1 Page - National Semiconductor (TI) |
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LM34C датащи(HTML) 1 Page - National Semiconductor (TI) |
1 / 10 page TLH6685 December 1994 LM34LM34ALM34CLM34CALM34D Precision Fahrenheit Temperature Sensors General Description The LM34 series are precision integrated-circuit tempera- ture sensors whose output voltage is linearly proportional to the Fahrenheit temperature The LM34 thus has an advan- tage over linear temperature sensors calibrated in degrees Kelvin as the user is not required to subtract a large con- stant voltage from its output to obtain convenient Fahren- heit scaling The LM34 does not require any external cali- bration or trimming to provide typical accuracies of g Fat room temperature and g1 F over a full b50 to a300 F temperature range Low cost is assured by trimming and calibration at the wafer level The LM34’s low output imped- ance linear output and precise inherent calibration make interfacing to readout or control circuitry especially easy It can be used with single power supplies or with plus and minus supplies As it draws only 75 mA from its supply it has very low self-heating less than 02 F in still air The LM34 is rated to operate over a b50 to a300 F temperature range while the LM34C is rated for a b40 to a230 F range (0 F with improved accuracy) The LM34 series is available packaged in hermetic TO-46 transistor packages while the LM34C LM34CA and LM34D are also available in the plastic TO-92 transistor package The LM34D is also available in an 8-lead surface mount small outline package The LM34 is a complement to the LM35 (Centigrade) tem- perature sensor Features Y Calibrated directly in degrees Fahrenheit Y Linear a100 mV F scale factor Y 10 F accuracy guaranteed (at a77 F) Y Rated for full b50 to a300 F range Y Suitable for remote applications Y Low cost due to wafer-level trimming Y Operates from 5 to 30 volts Y Less than 90 mA current drain Y Low self-heating 018 F in still air Y Nonlinearity only g05 F typical Y Low-impedance output 04X for 1 mA load Connection Diagrams TO-46 Metal Can Package TLH6685 – 1 Case is connected to negative pin (GND) Order Numbers LM34H LM34AH LM34CH LM34CAH or LM34DH See NS Package Number H03H TO-92 Plastic Package TLH6685 – 2 Order Number LM34CZ LM34CAZ or LM34DZ See NS Package Number Z03A SO-8 Small Outline Molded Package TLH6685 – 20 Top View NC e No Connection Order Number LM34DM See NS Package Number M08A Typical Applications TLH6685 – 3 FIGURE 1 Basic Fahrenheit Temperature Sensor (a5 to a300 F) TLH6685 – 4 FIGURE 2 Full-Range Fahrenheit Temperature Sensor TRI-STATE is a registered trademark of National Semiconductor Corporation C1995 National Semiconductor Corporation RRD-B30M75Printed in U S A |
Аналогичный номер детали - LM34C |
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Аналогичное описание - LM34C |
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