LM231N

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LM231N

IC V/F CONV 100KHZ 8DIP

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Spécifications

Package Tube
ProductStatus Obsolete
Type Voltage to Frequency
Frequency-Max 100 kHz
FullScale ±150ppm/°C
Linearity ±0.01%
MountingType Through Hole
Package/Case 8-DIP (0.300, 7.62mm)

Vue d'ensemble

Description

The LM231N is a versatile and precision voltage-to-frequency converter and frequency-to-voltage converter IC. Designed primarily for use in applications requiring analog-to-digital conversion with a high degree of linearity and accuracy, it is commonly employed in data acquisition systems, telemetry systems, and remote sensing.
Key features of the LM231N include a wide dynamic range, high linearity, and low power consumption, making it suitable for battery-operated devices. It operates over a wide power supply range, typically from 4V to 40V, and can accept input voltages from 0V to 10V. The device offers a frequency output that is directly proportional to the input voltage, with the frequency range being easily adjustable via external resistors and capacitors.
The LM231N is highly valued for its simple interface, which allows for straightforward connection to microcontrollers and other digital systems. Its high accuracy and reliability make it an ideal choice for applications where precise voltage-to-frequency or frequency-to-voltage conversion is required. The IC is typically available in a standard 8-pin DIP package, facilitating easy integration into various circuits.

Features

The LM231N is a precision voltage-to-frequency converter with notable features that make it suitable for a variety of applications. Key features include:
1. Wide Supply Voltage Range: It operates from a single supply voltage of 4V to 40V, enhancing versatility in different circuit environments.
2. High Linearity: Offers better than 0.12% linearity, ensuring accurate frequency output proportional to input voltage.
3. Low Power Consumption: Consumes less power, making it suitable for battery-powered devices.
4. Wide Frequency Range: Capable of generating a wide range of frequencies from a few Hz to over 100 kHz.
5. Temperature Stability: Designed to maintain performance across a broad temperature range, which is critical for precision applications.
6. Ease of Use: Requires minimal external components for operation, simplifying circuit design and reducing component costs.
7. Versatile Applications: Suitable for data acquisition systems, analog-to-digital conversion, and remote sensor systems due to its ability to convert voltage signals into frequency for easier processing.
Overall, the LM231N is a robust and flexible component ideal for precision voltage-to-frequency conversion tasks.

Package

The LM231N is typically available in an 8-pin Dual In-line Package (DIP). This package is designed for through-hole mounting, commonly used for its ease of handling and compatibility with standard breadboards and perfboards, making it suitable for prototyping and development purposes.

Pinout

The LM231N is an 8-pin voltage-to-frequency converter known for its precision and versatility. Here is a brief description of its pin count and functions:
1. Pin 1 (FREQ OUT): Frequency output, generates a frequency proportional to the input voltage.
2. Pin 2 (V+): Positive supply voltage, typically requires a voltage between 4V to 40V.
3. Pin 3 (GND): Ground, the reference point for the input and output voltages.
4. Pin 4 (R1): Timing resistor connection, sets the frequency range along with the timing capacitor.
5. Pin 5 (C1): Timing capacitor connection, works with the timing resistor to determine the frequency range.
6. Pin 6 (V/F IN): Voltage input for the voltage-to-frequency conversion, where the analog input signal is applied.
7. Pin 7 (COMP): Comparator input, typically used for frequency-to-voltage conversion setups.
8. Pin 8 (V-): Negative voltage reference, used to set the zero-scale frequency.
The LM231N is highly valued in applications requiring accurate voltage-to-frequency conversion, such as frequency modulation and data acquisition systems.

Manufacturer

The LM231N is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company renowned for its design and manufacture of semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. TI operates in various sectors, including industrial, automotive, personal electronics, communications equipment, and enterprise systems. The company is known for its innovations in analog technology, embedded processing, and education technology.

Application

The LM231N is a versatile voltage-to-frequency and frequency-to-voltage converter IC. It is commonly used in applications like analog-to-digital conversion, frequency modulation, signal processing, and remote sensing. Its capability to convert voltage levels into frequency signals makes it ideal for data transmission over long distances with minimal loss. Additionally, it is used in industrial control systems, instrumentation, and automotive electronics, where precise signal conversion and processing are essential.

Equivalent

The LM231N is a voltage-to-frequency converter. Equivalent products include the LM331N, which offers similar functionality and performance characteristics. Other equivalents are the LM231AN and LM331AN, which are slightly different versions of the same family. Always verify pin configurations and electrical specifications to ensure compatibility for your specific application.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

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