LM331N National Semiconductor, LM331N Datasheet
LM331N
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LM331N Summary of contents
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... The LM231/LM331 utilize a new temperature-compensated band-gap reference circuit, to provide excellent accuracy Typical Applications © 1999 National Semiconductor Corporation DS005680 over the full operating temperature range, at power supplies as low as 4.0V. The precision timer circuit has low bias cur- rents without degrading the quick response necessary for 100 kHz voltage-to-frequency conversion ...
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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 Output Short Circuit to Ground Output Short Circuit Input Voltage Operating Ambient Temperature Range at 25˚C) Power Dissipation (P D and Thermal Resistance ( ...
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Electrical Characteristics = 25˚C unless otherwise specified (Note Parameter TIMER V (Reset) SAT PIN 5 CURRENT SOURCE (Pin 1) Output Current LM231, LM231A LM331, LM331A Change with Voltage Current Source OFF Leakage LM231, LM231A, LM331, LM331A All ...
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Functional Block Diagram Pin numbers apply to 8-pin packages only. www.national.com FIGURE 2. 4 DS005680-2 ...
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Typical Performance Characteristics (All electrical characteristics apply for the circuit of Figure 4 , unless otherwise noted.) Nonlinearity Error as Precision V-to-F Converter ( Figure 4 ) DS005680-25 Frequency vs Temperature DS005680-28 100 kHz Nonlinearity Error ( Figure 5 ) ...
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Typical Performance Characteristics Power Drain vs V SUPPLY DS005680-34 Typical Applications PRINCIPLES OF OPERATION OF A SIMPLIFIED VOLTAGE-TO-FREQUENCY CONVERTER The LM231/331 are monolithic circuits designed for accu- racy and versatile operation when voltage-to-frequency (V-to-F) converters frequency-to-voltage (F-to-V) converters. A simplified ...
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Typical Applications (Continued) condition will usually apply under start-up conditions or in the case of an overload voltage at signal input. It should be noted that during this sort of overload, the output frequency will soon as ...
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Typical Applications (Continued) * Use stable components with low temperature coefficients. See Typical Applications section 22V, but must This resistor can for V S *** Use low ...
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Typical Applications (Continued) DETAILS OF OPERATION, FREQUENCY-TO- VOLTAGE CONVERTERS ( Figure 6 and Figure these applications, a pulse input differentiated C-R network and the negative-going edge at pin 6 causes the ...
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Typical Applications (Continued) * Use stable components with low temperature coefficients. FIGURE 6. Simple Frequency-to-Voltage Converter, ± 10 kHz Full-Scale, 0.06% Non-Linearity * L14F-1, L14G-1 or L14H-1, photo transistor (General Electric Co.) or similar www.national.com DS005680-7 * Use stable components ...
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Typical Applications (Continued) Long-Term Digital Integrator Using VFC Analog-to-Digital Converter with Microprocessor Remote Voltage-to-Frequency Converter with 2-Wire Transmitter and Receiver Basic Analog-to-Digital Converter Using Voltage-to-Frequency Converter DS005680-11 DS005680-13 11 DS005680-12 DS005680-14 www.national.com ...
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Typical Applications (Continued) Voltage-to-Frequency Converter with Square-Wave Output Using ÷ 2 Flip-Flop Voltage-to-Frequency Converter with Isolators Voltage-to-Frequency Converter with Isolators www.national.com DS005680-15 DS005680-16 DS005680-17 12 ...
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... Typical Applications (Continued) Voltage-to-Frequency Converter with Isolators Voltage-to-Frequency Converter with Isolators Connection Diagram Order Number LM231AN, LM231N, LM331AN, Dual-In-Line Package DS005680-21 or LM331N See NS Package Number N08E 13 DS005680-18 DS005680-19 www.national.com ...
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Schematic Diagram www.national.com 14 ...
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... Physical Dimensions inches (millimeters) unless otherwise noted Order Number LM231AN, LM231N, LM331AN, or LM331N LIFE SUPPORT POLICY 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 ...