LM4041A12IDCKR

Product Overview

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

Specifications

• Voltage Output: 1.225V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: ±50 ppm/°C
• Operating Current: 60 µA typical
• Dropout Voltage: 200 mV typical
• Output Current: 15 mA maximum
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM4041A12IDCKR has the following pin configuration:

```

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

Functional Features

• Provides a precise and stable voltage reference of 1.225V
• Low dropout voltage allows for efficient operation even with low input voltages
• Excellent initial accuracy and temperature coefficient ensure reliable performance over a wide range of operating conditions
• Low operating current minimizes power consumption
• Short-circuit protection prevents damage to the device in case of output short-circuits

Advantages and Disadvantages

Advantages: - High precision and stability - Low dropout voltage - Low operating current - Short-circuit protection

Disadvantages: - Limited output current capability (15 mA maximum)

Working Principles

The LM4041A12IDCKR is a shunt voltage reference IC. It utilizes a precision bandgap circuit to generate a stable and accurate voltage reference of 1.225V. The device operates by comparing the bandgap voltage with an internal feedback voltage, which is then used to regulate the output voltage. The low dropout voltage allows for efficient operation even with low input voltages.

Detailed Application Field Plans

The LM4041A12IDCKR can be used in various applications that require a precise and stable voltage reference. Some common 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 calibration circuits
6. Test and measurement equipment
7. Industrial control systems
8. Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LM4041A12IDCKR are:

1. LT1004-1.2: Precision Shunt Voltage Reference, 1.2V output, ±0.8% initial accuracy
2. MAX6126A25: Ultra-High-Precision Voltage Reference, 2.5V output, ±0.02% initial accuracy
3. REF102CU: Precision Voltage Reference, 10V output, ±0.05% initial accuracy
4. TS431: Adjustable Precision Shunt Regulator, adjustable output voltage, ±2% initial accuracy

These alternative models provide different output voltages and accuracies, allowing users to choose the most suitable option for their specific application requirements.

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