LM4040D25H5TA

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: High Precision, Low Dropout, Micropower, Shunt Voltage Reference
• Package: SOT-23-3
• Essence: Provides a stable and accurate voltage reference for various electronic applications.
• Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel.

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: ±50ppm/°C
• Operating Current: 60µA to 15mA
• Dropout Voltage: 200mV
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM4040D25H5TA has three pins arranged as follows:

```

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

1. V+: Output Voltage Pin
2. GND: Ground Pin
3. NC: No Connection Pin

Functional Features

• High precision voltage reference with low initial accuracy and temperature coefficient.
• Low dropout voltage allows for efficient operation even with low input voltages.
• Micropower consumption ensures minimal power usage in battery-powered applications.
• Shunt voltage reference configuration provides stability and accuracy.

Advantages and Disadvantages

Advantages

• High precision and stability.
• Low power consumption.
• Small package size.
• Wide operating temperature range.

Disadvantages

• Limited output voltage options.
• Requires external components for specific applications.

Working Principles

The LM4040D25H5TA is based on the shunt voltage reference topology. It utilizes a precision bandgap core to generate a stable voltage reference. The output voltage is set to 2.5V with high accuracy and low temperature coefficient. The device operates by maintaining a constant voltage drop across the shunt resistor, ensuring a stable output voltage regardless of load variations.

Detailed Application Field Plans

The LM4040D25H5TA is widely used in various electronic applications that require a stable and accurate voltage reference. Some common application fields include:

1. Precision Analog-to-Digital Converters (ADCs)
2. Digital-to-Analog Converters (DACs)
3. Voltage regulators and power management circuits
4. Sensor calibration and measurement circuits
5. Battery-powered devices and portable electronics

Detailed and Complete Alternative Models

• LM4040AIM3-2.5/NOPB
• LT1004CZ-2.5#PBF
• MAX6126AASA25+
• REF102CU
• TS431IZT

These alternative models offer similar functionality and specifications to the LM4040D25H5TA and can be considered as alternatives based on specific requirements and availability.

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