ICL7621DCSA

Product Overview

Category

ICL7621DCSA belongs to the category of integrated circuits (ICs).

Use

The ICL7621DCSA is commonly used as a precision voltage reference and operational amplifier.

Characteristics

• Precision voltage reference with low temperature coefficient
• High input impedance operational amplifier
• Low power consumption
• Wide operating voltage range

Package

ICL7621DCSA is available in a small surface mount SOIC package.

Essence

The essence of ICL7621DCSA lies in its ability to provide accurate voltage references and perform amplification tasks efficiently.

Packaging/Quantity

ICL7621DCSA is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Supply Voltage Range: 2.7V to 36V
• Input Offset Voltage: ±0.5mV (maximum)
• Input Bias Current: ±20nA (maximum)
• Output Current: ±10mA (maximum)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

ICL7621DCSA consists of eight pins arranged as follows:

___________ | | --| V+ OUT|-- --| IN- NC |-- --| IN+ GND|-- --| NC V- |-- --| NC NC |-- --| NC NC |-- --| NC NC |-- |___________|

Functional Features

1. Precision Voltage Reference: The ICL7621DCSA provides a stable and accurate voltage reference, making it suitable for applications requiring precise voltage levels.
2. High Input Impedance: With a high input impedance, this IC can interface with various sensors and other low-power devices without affecting their performance.
3. Low Power Consumption: The ICL7621DCSA is designed to consume minimal power, making it suitable for battery-powered applications.
4. Wide Operating Voltage Range: It can operate within a wide voltage range, allowing flexibility in different power supply configurations.

Advantages and Disadvantages

Advantages

• Accurate voltage reference
• High input impedance
• Low power consumption
• Wide operating voltage range

Disadvantages

• Limited output current capacity
• Not suitable for high-frequency applications

Working Principles

The ICL7621DCSA operates based on the principles of precision voltage references and operational amplifiers. It utilizes internal circuitry to generate a stable voltage reference and amplifies input signals with high accuracy and low distortion.

Detailed Application Field Plans

ICL7621DCSA finds applications in various fields, including:

1. Sensor Interfaces: It can be used to interface with sensors that require precise voltage levels, such as temperature sensors, pressure sensors, and light sensors.
2. Signal Conditioning: The IC is suitable for signal conditioning tasks where accurate amplification and filtering are required.
3. Battery-Powered Devices: Due to its low power consumption, it is commonly used in portable devices powered by batteries.
4. Analog-to-Digital Converters (ADC): The ICL7621DCSA can be employed in ADC circuits to provide stable voltage references for accurate analog-to-digital conversions.

Detailed and Complete Alternative Models

Some alternative models to ICL7621DCSA include:

1. LM4040CIM3-5.0/NOPB
2. MAX4239AUT-T
3. LT1013CN8#PBF
4. AD8606ARZ-REEL7

These alternatives offer similar functionalities and can be considered based on specific application requirements.

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