LM231N/NOPB National Semiconductor, LM231N/NOPB Datasheet
LM231N/NOPB
Specifications of LM231N/NOPB
*LM231N/NOPB
LM231
LM231N
Related parts for LM231N/NOPB
LM231N/NOPB Summary of contents
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... LM331AN Teflon ® registered trademark of DuPont © 2006 National Semiconductor Corporation over the full operating temperature range, at power supplies as low as 4.0V. The precision timer circuit has low bias currents without degrading the quick response necessary for 100 kHz voltage-to-frequency conversion. And the output ...
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... Absolute Maximum Ratings (Notes 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 Package Dissipation at 25˚C Lead Temperature (Soldering, 10 sec.) Dual-In-Line Package (Plastic) ...
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Electrical Characteristics All specifications apply in the circuit of Figure 4, with 4.0V ≤ V Parameter CURRENT SOURCE (Pin 1) LM231, LM231A, LM331, LM331A All Devices Operating Range of Current (Typical) REFERENCE VOLTAGE (Pin 2) LM231, LM231A LM331, LM331A Stability ...
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Functional Block Diagram Pin numbers apply to 8-pin packages only. www.national.com FIGURE 1. 4 00568002 ...
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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) Nonlinearity Error vs. Power Supply Voltage V vs. Temperature REF 00568025 Frequency vs. Temperature 00568027 00568029 ...
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Typical Performance Characteristics 100 kHz Nonlinearity Error (Figure 5) Input Current (Pins 6,7) vs. Temperature Output Saturation Voltage vs. I (Pin 3) OUT www.national.com (Continued) 00568031 Power Drain vs. V 00568033 Nonlinearity Error, Precision F-to-V Converter (Figure 7) 00568035 6 ...
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Applications Information PRINCIPLES OF OPERATION The LM231/331 are monolithic circuits designed for accu- racy and versatile operation when applied as voltage-to- frequency (V-to-F) converters or as frequency-to-voltage (F- to-V) converters. A simplified block diagram of the LM231/ 331 is shown ...
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Applications Information A 47Ω resistor, in series with the 1 µF C esis, which helps the input comparator provide the excellent linearity. *Use stable components with low temperature coefficients. See Typical Applications section. **0.1µF or 1µF, See “Principles of Operation.” ...
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Applications Information DETAILS OF OPERATION: F-to-V CONVERTERS (Figure 6 and Figure 7) In these applications, a pulse input C-R network and the negative-going edge at pin 6 causes the input comparator to trigger the timer circuit. Just ...
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Applications Information *Use stable components with low temperature coefficients. *Use stable components with low temperature coefficients. FIGURE 7. Precision Frequency-to-Voltage Converter, www.national.com (Continued) FIGURE 6. Simple Frequency-to-Voltage Converter, ± 10 kHz Full-Scale, 0.06% Non-Linearity 10 kHz Full-Scale with 2-Pole Filter, ...
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Applications Information *L14F-1, L14G-1 or L14H-1, photo transistor (General Electric Co.) or similar Long-Term Digital Integrator Using VFC Analog-to-Digital Converter with Microprocessor (Continued) Light Intensity to Frequency Converter Temperature to Frequency Converter Basic Analog-to-Digital Converter Using Voltage-to-Frequency Converter 00568011 11 ...
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Applications Information Remote Voltage-to-Frequency Converter with 2-Wire Transmitter and Receiver Voltage-to-Frequency Converter with Square-Wave Output Using ÷ 2 Flip-Flop www.national.com (Continued) Voltage-to-Frequency Converter with Isolators 12 00568014 00568015 00568016 ...
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Applications Information Voltage-to-Frequency Converter with Isolators Voltage-to-Frequency Converter with Isolators Voltage-to-Frequency Converter with Isolators (Continued) 13 00568017 00568018 00568019 www.national.com ...
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