AD737JRZ

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage-to-Frequency Converter
• Characteristics: High precision, low power consumption, compact size
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Converts input voltage to a proportional frequency output
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Frequency Output Range: 0Hz to 1MHz
• Linearity Error: ±0.02% (typical)
• Power Supply Current: 200µA (typical)

Pin Configuration

The AD737JRZ has a total of 8 pins arranged as follows:

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| | --| V+ Vref |-- --| Vin Fout |-- --| Gnd Vref |-- |___________| ```

• V+: Positive supply voltage pin
• Vref: Reference voltage input pin
• Vin: Input voltage pin
• Fout: Frequency output pin
• Gnd: Ground pin

Functional Features

• Converts input voltage to a proportional frequency output
• High linearity and accuracy
• Low power consumption
• Wide operating temperature range
• Compact and easy to integrate into various applications

Advantages and Disadvantages

Advantages

• High precision conversion
• Low power consumption
• Compact size for space-constrained designs
• Wide operating temperature range allows for versatile usage

Disadvantages

• Limited frequency output range (up to 1MHz)
• Requires an external reference voltage source

Working Principles

The AD737JRZ operates based on the principle of voltage-to-frequency conversion. It takes an input voltage and converts it into a proportional frequency output signal. The conversion is achieved by comparing the input voltage with a reference voltage and generating a pulse train with a frequency directly proportional to the input voltage.

Application Field Plans

The AD737JRZ finds applications in various fields, including:

1. Industrial automation: Used for monitoring and control systems that require voltage-to-frequency conversion.
2. Power management: Enables precise measurement and control of voltages in power supply circuits.
3. Instrumentation: Utilized in test and measurement equipment for accurate voltage measurements.
4. Communication systems: Integrated into frequency modulation circuits for signal processing.

Alternative Models

• AD537JRZ: Similar functionality with enhanced linearity and accuracy.
• AD654JRZ: Voltage-to-frequency converter with wider frequency range.
• AD536AJDZ: Provides logarithmic conversion of input voltage to frequency.

These alternative models offer different features and specifications, allowing users to choose the most suitable option for their specific requirements.

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