TL4051C12QDBZR

Product Overview

Category

The TL4051C12QDBZR belongs to the category of voltage references.

Use

It is primarily used as a precision voltage reference in various electronic circuits.

Characteristics

• High accuracy and stability
• Low temperature coefficient
• Low power consumption
• Wide operating voltage range

Package

The TL4051C12QDBZR comes in a small SOT-23 package, which is suitable for surface mount applications.

Essence

This voltage reference provides a stable and accurate voltage output, ensuring reliable performance in electronic systems.

Packaging/Quantity

The TL4051C12QDBZR is typically packaged in reels or tape and reel format. Each reel contains a specific quantity of voltage references, usually around 3000 units.

Specifications

• Output Voltage: 1.225V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C
• Supply Voltage Range: 2.7V to 16V
• Quiescent Current: 60µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TL4051C12QDBZR has three pins:

1. VDD: This pin is connected to the positive supply voltage.
2. GND: This pin is connected to the ground or negative supply voltage.
3. OUT: This pin provides the stable voltage reference output.

Functional Features

• Precision voltage reference with low drift and high accuracy.
• Stable output voltage over a wide range of operating conditions.
• Low power consumption, making it suitable for battery-powered devices.
• Fast response time and excellent line regulation.

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure reliable performance.
• Low temperature coefficient minimizes voltage variations with temperature changes.
• Wide operating voltage range allows for versatile applications.
• Small package size enables space-saving designs.

Disadvantages

• Limited output voltage options (1.225V in the case of TL4051C12QDBZR).
• Sensitive to external noise and disturbances, requiring proper filtering and decoupling.

Working Principles

The TL4051C12QDBZR is based on a bandgap reference circuit that generates a stable voltage reference using a combination of bipolar and CMOS technologies. It utilizes a precise voltage divider network and feedback loop to maintain a constant output voltage regardless of input voltage or temperature fluctuations.

Detailed Application Field Plans

The TL4051C12QDBZR finds application in various electronic systems, including:

1. Precision analog-to-digital converters (ADCs)
2. Voltage regulators and power management circuits
3. Temperature sensors and control systems
4. Data acquisition systems
5. Portable and battery-powered devices
6. Industrial automation and control systems

Detailed and Complete Alternative Models

1. TL431: Adjustable precision shunt regulator with similar characteristics but adjustable output voltage.
2. LM4040: Precision micropower shunt voltage reference with different output voltage options.
3. REF5025: High-precision voltage reference with low noise and excellent long-term stability.

These alternative models offer similar functionality and can be considered as substitutes depending on specific requirements and design constraints.

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