TL4051A12QDBZT

Product Overview

• Category: Integrated Circuits
• Use: Voltage Reference
• Characteristics:
  • Low Dropout Voltage
  • High Accuracy
  • Low Quiescent Current
• Package: SOT-23
• Essence: Precision Micropower Shunt Voltage Reference
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Voltage Reference Type: Shunt
• Output Voltage: 1.225V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: ±50ppm/°C
• Quiescent Current: 45µA
• Dropout Voltage: 200mV
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TL4051A12QDBZT has three pins:

1. VDD: Power supply input
2. GND: Ground reference
3. VOUT: Output voltage

Functional Features

• Provides a stable and accurate reference voltage
• Low dropout voltage allows for efficient operation
• Low quiescent current minimizes power consumption
• High accuracy ensures precise voltage regulation

Advantages

• Small package size enables space-saving designs
• Wide operating temperature range suits various environments
• Excellent initial accuracy guarantees reliable performance
• Low temperature coefficient ensures stability over temperature variations

Disadvantages

• Limited output voltage options (only 1.225V in this model)
• Relatively high dropout voltage compared to some alternatives

Working Principles

The TL4051A12QDBZT is a shunt voltage reference that utilizes a precision bandgap core to generate a stable output voltage of 1.225V. It operates by comparing the reference voltage to an external resistor network, providing a precise and stable reference for other circuitry.

Detailed Application Field Plans

The TL4051A12QDBZT is commonly used in applications that require accurate voltage references, such as:

1. Power management systems
2. Analog-to-digital converters (ADCs)
3. Data acquisition systems
4. Battery-powered devices
5. Precision instrumentation

Detailed and Complete Alternative Models

1. TL431: Adjustable precision shunt regulator with a wide voltage range.
2. LM4040: Micropower precision shunt voltage reference with various output voltage options.
3. REF5025: High-precision voltage reference with low temperature drift.

These alternative models offer similar functionality and can be considered based on specific requirements.

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