TL4051B12IDCKR

Product Overview

• Category: Integrated Circuit
• Use: Voltage Reference
• Characteristics: Precision, Low Dropout, Micropower
• Package: SC-70 (SOT-323)
• Essence: TL4051B12IDCKR is a precision voltage reference that provides a stable output voltage of 1.225V.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Output Voltage: 1.225V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C
• Operating Temperature Range: -40°C to +125°C
• Quiescent Current: 45µA typical
• Dropout Voltage: 200mV typical at 1mA load current

Detailed Pin Configuration

The TL4051B12IDCKR has three pins:

1. VDD - Power supply input pin
2. GND - Ground pin
3. OUT - Output voltage pin

Functional Features

• Provides a precise and stable output voltage of 1.225V
• Low dropout voltage ensures efficient operation even with low input voltages
• Excellent initial accuracy and temperature coefficient for reliable performance over a wide temperature range
• Low quiescent current minimizes power consumption
• Small package size allows for space-saving designs

Advantages and Disadvantages

Advantages

• High precision and stability
• Low dropout voltage
• Low power consumption
• Wide operating temperature range
• Small package size

Disadvantages

• Fixed output voltage may not be suitable for all applications
• Limited output current capability

Working Principles

The TL4051B12IDCKR 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 that the output voltage remains constant over a wide temperature range.

Detailed Application Field Plans

The TL4051B12IDCKR is commonly used in various applications where a stable voltage reference is required. Some typical application fields include:

1. Precision analog-to-digital converters (ADCs)
2. Voltage regulators
3. Battery-powered devices
4. Sensor calibration circuits
5. Test and measurement equipment

Detailed and Complete Alternative Models

• TL431: Adjustable precision shunt regulator
• LM4040: Precision micropower shunt voltage reference
• REF5025: Precision voltage reference with low dropout voltage
• MAX619: Ultra-low power voltage reference

These alternative models offer similar functionality and can be considered as substitutes for the TL4051B12IDCKR in different applications.

In conclusion, the TL4051B12IDCKR is a precision voltage reference IC that provides a stable output voltage of 1.225V. It offers high accuracy, low dropout voltage, and low power consumption, making it suitable for various applications requiring a reliable voltage reference.