Product Summary

The LM231N is a Precision Voltage-to-Frequency Converter. The LM231N is ideally suited for use in simple low-cost circuits for analog-to-digital conversion, precision frequency-to-voltage conversion, long-term integration, linear frequency modulation or demodulation, and many other functions. The LM231N provides all the inherent advantages of the voltage-to-frequency conversion techniques, and is easy to apply in all standard voltage-to-frequency converter applications.

Parametrics

LM231N absolute maximum ratings: (1)Supply Voltage: 40V; (2)Output Short Circuit to Ground: continuous; (3)Output Short Circuit to VCC: continuous; (4)Input Voltage: -0.2V to +Vs; (5)Operating Ambient Temperature Range: 0℃ to +70℃; (6)Power Dissipation and Thermal Resistance: 1.25W, 100℃/W; (7)Lead Temperature (Soldering, 10 sec.): 260℃; (8)ESD Susceptibility: 500V.

Features

LM231N features: (1)Guaranteed linearity 0.01% max; (2)Improved performance in existing voltage-to-frequency conversion applications; (3)Split or single supply operation; (4)Operates on single 5V supply; (5)Pulse output compatible with all logic forms; (6)Excellent temperature stability, ±50 ppm/℃ max; (7)Low power dissipation, 15 mW typical at 5V; (8)Wide dynamic range, 100 dB min at 10 kHz full scale frequency; (9)Wide range of full scale frequency, 1 Hz to 100 kHz; (10)Low cost.

Diagrams

LM231N block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
LM231N
LM231N
National Semiconductor (TI)
Voltage to Frequency & Frequency to Voltage
Data Sheet
0-160: $2.53
160-280: $2.28
280-520: $2.05
520-1000: $1.73
LM231N/NOPB
LM231N/NOPB
National Semiconductor (TI)
Voltage to Frequency & Frequency to Voltage PREC VLTG-TO-FREQ CONVERTER
Data Sheet
0-1: $3.46
1-25: $2.78
25-100: $2.53
100-250: $2.29