TL4051B12QDCKT

Product Overview

• Category: Integrated Circuit
• Use: Voltage Reference
• Characteristics: Precision, Low Dropout, Micropower
• Package: SC-70
• Essence: TL4051B12QDCKT is a precision voltage reference integrated circuit that provides a stable output voltage of 1.2V.
• Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

• Output Voltage: 1.2V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C
• Operating Temperature Range: -40°C to +125°C
• Quiescent Current: 45µA
• Dropout Voltage: 200mV
• Output Current: 15mA

Pin Configuration

The TL4051B12QDCKT has the following pin configuration:

```

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| | --| VDD GND |-- --| REF OUT |-- |___________| ```

Functional Features

• Provides a precise and stable output voltage of 1.2V.
• Low dropout voltage ensures efficient operation even with low input voltages.
• Micropower consumption makes it suitable for battery-powered applications.
• Excellent initial accuracy and temperature coefficient ensure reliable performance across various operating conditions.

Advantages

• High precision and stability of the output voltage.
• Low power consumption extends battery life in portable devices.
• Small package size allows for space-saving designs.
• Wide operating temperature range enables usage in extreme environments.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• Higher initial cost compared to less precise voltage references.

Working Principles

The TL4051B12QDCKT is based on a bandgap voltage reference circuit. It utilizes a combination of bipolar and CMOS technologies to achieve high precision and stability. The internal circuitry compensates for temperature variations, ensuring accurate output voltage across the specified temperature range.

Application Field Plans

The TL4051B12QDCKT is commonly used in various applications that require a stable 1.2V reference voltage. Some typical application fields include:

1. Battery-powered devices: Portable electronics, wearables, and IoT devices.
2. Analog-to-digital converters (ADCs): Provides a precise reference voltage for accurate conversion.
3. Voltage regulators: Used as a stable reference for regulating other voltages in power management circuits.
4. Sensor interfaces: Ensures accurate measurements by providing a stable voltage reference.

Alternative Models

• TL431: Adjustable precision shunt regulator with similar characteristics.
• LM4040: Precision micropower shunt voltage reference available in various output voltages.
• REF102: Precision voltage reference with low temperature coefficient and high initial accuracy.

These alternative models can be considered based on specific requirements and design constraints.

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