LM4040D25IDCKR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: Precision, Low Dropout, Micropower, Shunt Voltage Reference
• Package: SC-70 (SOT-323), 5-Lead
• Essence: Provides a stable and accurate voltage reference for various electronic applications
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

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

Pin Configuration

The LM4040D25IDCKR has the following pin configuration:

```

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| | --| V+ | --| | --| OUT| --| | --| GND| |____| ```

• V+: Input Voltage
• OUT: Output Voltage
• GND: Ground

Functional Features

• Provides a precise and stable 2.5V reference voltage
• Low dropout voltage allows for efficient operation even with low input voltages
• Excellent initial accuracy and temperature coefficient ensure reliable performance over a wide temperature range
• Low quiescent current makes it suitable for battery-powered applications
• Short-circuit protected output ensures device safety

Advantages and Disadvantages

Advantages: - High precision and stability - Low power consumption - Small package size - Wide operating temperature range

Disadvantages: - Limited output voltage options - Requires an external bypass capacitor for optimal performance

Working Principles

The LM4040D25IDCKR is a shunt voltage reference that uses a bandgap circuit to generate a stable 2.5V output voltage. It operates by comparing the voltage across a precision resistor with a temperature-compensated voltage reference. The resulting voltage difference is amplified and fed back to maintain a constant output voltage, regardless of changes in input voltage or temperature.

Detailed Application Field Plans

The LM4040D25IDCKR is commonly used in various electronic applications where a precise and stable voltage reference is required. Some typical application fields include:

1. Analog-to-Digital Converters (ADCs)
2. Digital-to-Analog Converters (DACs)
3. Voltage regulators
4. Battery-powered devices
5. Precision instrumentation
6. Sensor calibration
7. Test and measurement equipment

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 LM4040D25IDCKR and can be considered as suitable replacements depending on specific requirements.

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