ICL7621DESA

Product Overview

Category

ICL7621DESA belongs to the category of integrated circuits (ICs).

Use

The ICL7621DESA is commonly used as a precision voltage reference and operational amplifier.

Characteristics

• High precision: The ICL7621DESA offers exceptional accuracy in voltage referencing and amplification.
• Low power consumption: It operates on low power, making it suitable for battery-powered applications.
• Wide operating voltage range: The IC can function within a wide range of input voltages.
• Small package size: The ICL7621DESA comes in a compact package, allowing for space-efficient designs.
• High reliability: It provides stable and reliable performance over extended periods of use.

Package

The ICL7621DESA is available in a small outline package (SOIC) with eight pins.

Essence

The essence of the ICL7621DESA lies in its ability to provide accurate voltage referencing and amplification in various electronic circuits.

Packaging/Quantity

The ICL7621DESA is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage Range: 2.7V to 36V
• Input Offset Voltage: ±0.5mV (maximum)
• Input Bias Current: ±10nA (maximum)
• Gain Bandwidth Product: 1MHz (typical)
• Output Current: 50mA (maximum)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ICL7621DESA has the following pin configuration:

```

---

| | --| V+ OUT |-- Pin 1: Positive Supply Voltage (V+) --| IN- IN+ |-- Pin 2: Non-Inverting Input (IN+) --| GND NC |-- Pin 3: Ground (GND) --| OUT IN- |-- Pin 4: Inverting Input (IN-) --| V- NC |-- Pin 5: Negative Supply Voltage (V-) --| NC NC |-- Pins 6 and 7: No Connection (NC) --| NC NC | --| NC V- | |___________| ```

Functional Features

The ICL7621DESA offers the following functional features:

• Precision voltage reference: It provides a stable and accurate voltage reference for precise circuit operation.
• Operational amplifier: The IC can amplify signals with high precision and low distortion.
• Rail-to-rail input/output: It allows for maximum utilization of the available supply voltage range.
• Low quiescent current: The IC consumes minimal current when not actively amplifying signals, reducing power consumption.

Advantages and Disadvantages

Advantages

• High precision and accuracy in voltage referencing and amplification.
• Low power consumption, suitable for battery-powered applications.
• Wide operating voltage range for versatility.
• Compact package size for space-efficient designs.
• Reliable performance over extended periods of use.

Disadvantages

• Limited output current capability compared to specialized amplifiers.
• Higher cost compared to generic operational amplifiers.

Working Principles

The ICL7621DESA operates based on the principles of voltage referencing and amplification. It utilizes internal circuitry to provide a stable voltage reference and amplifies input signals with high precision. The rail-to-rail input/output feature ensures maximum utilization of the available supply voltage range, allowing for accurate signal amplification.

Detailed Application Field Plans

The ICL7621DESA finds application in various fields, including but not limited to: - Precision measurement equipment - Sensor interfaces - Data acquisition systems - Audio amplification circuits - Battery-powered devices

Detailed and Complete Alternative Models

Some alternative models to the ICL7621DESA include: - LM358: A general-purpose operational amplifier with low power consumption. - LT1013: A precision operational amplifier with low offset voltage and low input bias current. - AD8605: A rail-to-rail input/output operational amplifier with low noise and low distortion.

These alternative models offer similar functionality and can be used as substitutes for the ICL7621DESA in various applications.

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