LM4040CIM3-5.0

Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Low dropout voltage - High accuracy - Low temperature coefficient - Low output noise - Small package size

Package: SOT-23-3

Essence: The LM4040CIM3-5.0 is a precision voltage reference IC that provides a stable and accurate 5.0V output voltage.

Packaging/Quantity: The LM4040CIM3-5.0 is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Output Voltage: 5.0V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 20ppm/°C
• Dropout Voltage: 60mV (typical)
• Output Noise Voltage: 35µVrms (10Hz to 10kHz)
• Quiescent Current: 60µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM4040CIM3-5.0 has three pins arranged as follows:

```

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| | --| V+ |-- --| |-- |____| ```

Pin 1: V+ (Input voltage)

Pin 2: GND (Ground)

Pin 3: VOUT (Output voltage)

Functional Features

• Precision voltage reference with low dropout voltage
• High accuracy and stability over temperature and time
• Low output noise for sensitive applications
• Small package size for space-constrained designs
• Wide operating temperature range for various environments

Advantages

• Provides a stable and accurate 5.0V output voltage
• Low dropout voltage minimizes power dissipation
• High accuracy ensures precise voltage regulation
• Low temperature coefficient maintains stability over temperature variations
• Low output noise makes it suitable for noise-sensitive applications

Disadvantages

• Limited to a fixed output voltage of 5.0V
• Requires an external bypass capacitor for optimal performance

Working Principles

The LM4040CIM3-5.0 utilizes bandgap reference technology to generate a stable and accurate 5.0V output voltage. It employs a precision voltage reference, error amplifier, and feedback circuitry to regulate the output voltage. The internal circuitry compensates for temperature variations, ensuring consistent performance over a wide temperature range.

Detailed Application Field Plans

The LM4040CIM3-5.0 is commonly used in various electronic systems that require a stable and accurate 5.0V reference voltage. Some typical application fields include:

1. Precision analog-to-digital converters (ADCs)
2. Digital-to-analog converters (DACs)
3. Voltage regulators
4. Battery-powered devices
5. Sensor interfaces
6. Test and measurement equipment
7. Industrial control systems
8. Medical devices

Detailed and Complete Alternative Models

1. LM4040AIM3-5.0: Similar specifications and pin configuration, available in SOT-23-3 package.
2. LT1004CZ-5.0: Precision voltage reference with 5.0V output, available in TO-92 package.
3. REF5025AIDGKT: High-precision voltage reference with 5.0V output, available in VSSOP-8 package.
4. MAX6190AESA+: Low-dropout voltage reference with 5.0V output, available in SOIC-8 package.

These alternative models offer similar functionality and can be considered as substitutes for the LM4040CIM3-5.0 based on specific application requirements.

In conclusion, the LM4040CIM3-5.0 is a precision voltage reference IC that provides a stable and accurate 5.0V output voltage. Its low dropout voltage, high accuracy, and small package size make it suitable for various electronic systems requiring precise voltage regulation.