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AD654 IC – Voltage to Frequency Converter IC

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₹345.00 (excluding 18% GST)

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Description

The AD654 is a monolithic VFC that provides a linear relationship between the input voltage and the output frequency. The IC operates over a wide range of input voltages and can generate an output frequency that is proportional to the magnitude of the input voltage. It is known for its high accuracy, wide frequency range, and ease of use, requiring minimal external components. The AD654 can operate with single or dual supplies and is designed to be stable over a wide temperature range, making it suitable for various industrial and instrumentation applications.

Features

  • High Linearity: Ensures a precise and proportional relationship between input voltage and output frequency.
  • Wide Frequency Range: Capable of generating frequencies from a few Hertz up to several hundred kHz.
  • Single or Dual Supply Operation: Operates from a single supply ranging from 5V to 36V or dual supplies from ±5V to ±18V.
  • Low Power Consumption: Designed for low power operation, making it suitable for battery-powered devices.
  • Wide Temperature Range: Operates reliably over a broad temperature range, typically from -25°C to +85°C.
  • Low Offset and Drift: Minimal offset and drift over time and temperature ensure long-term accuracy.
  • Easy to Interface: The frequency output is easy to interface with digital systems such as microcontrollers and counters.

Specifications

  • Input Voltage Range: 0V to 10V (with proper scaling).
  • Output Frequency Range: Typically 0 Hz to 500 kHz.
  • Linearity: ±0.03% maximum.
  • Power Supply Voltage: +5V to +36V (single supply) or ±5V to ±18V (dual supply).
  • Supply Current: Typically 1.2 mA at 5V.
  • Temperature Range: -25°C to +85°C.
  • Output Pulse Shape: TTL-compatible square wave.
  • Package Type: Available in 8-pin DIP and SOIC packages.

Applications

  • Analog-to-Digital Conversion: Converts analog signals into a frequency output that can be counted or measured to determine the corresponding digital value.
  • Frequency Modulation (FM): Used in communication systems to modulate the frequency of a carrier wave in response to an analog input signal.
  • Sensor Signal Conditioning: Converts sensor outputs (e.g., temperature, pressure) into a frequency that can be easily processed by digital systems.
  • Data Transmission: Transmits analog data over digital lines by encoding the signal as a frequency.
  • Phase-Locked Loops (PLLs): Used in PLL circuits for frequency synthesis and control.
  • Function Generators: Can be used to generate precise frequency outputs based on a control voltage.
  • Instrumentation: Ideal for use in precision measurement equipment where analog signals need to be converted into a frequency for further processing.

Note

* Product Images are shown for illustrative purposes only and may differ from actual product

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