TL4050A25QDCKT

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage Reference

Characteristics: - Low Dropout Voltage - High Accuracy - Low Power Consumption - Small Package Size

Package: SC-70

Essence: The TL4050A25QDCKT is a precision voltage reference IC that provides a stable and accurate output voltage. It is commonly used in various electronic devices where a precise voltage reference is required.

Packaging/Quantity: The TL4050A25QDCKT is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: ±50ppm/°C
• Dropout Voltage: 200mV (typical)
• Supply Current: 45µA (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The TL4050A25QDCKT has the following pin configuration:

____ VDD | | GND | | OUT |____|

Functional Features

1. Low Dropout Voltage: The TL4050A25QDCKT exhibits a low dropout voltage of only 200mV, ensuring efficient operation even when the input voltage is close to the desired output voltage.

2. High Accuracy: With an initial accuracy of ±0.5%, this voltage reference IC provides precise and reliable output voltage.

3. Low Power Consumption: The TL4050A25QDCKT consumes only 45µA of supply current, making it suitable for battery-powered applications where power efficiency is crucial.

4. Small Package Size: Housed in an SC-70 package, this IC offers a compact form factor, making it ideal for space-constrained designs.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient operation. - High accuracy provides precise output voltage. - Low power consumption extends battery life. - Small package size allows for compact designs.

Disadvantages: - Limited output voltage options (fixed at 2.5V). - Temperature coefficient may affect performance in extreme temperature conditions.

Working Principles

The TL4050A25QDCKT utilizes bandgap reference technology to generate a stable and accurate output voltage. It compares the internal reference voltage with an external resistor divider network to maintain the desired output voltage. The internal circuitry compensates for temperature variations, ensuring consistent performance over a wide temperature range.

Detailed Application Field Plans

The TL4050A25QDCKT finds applications in various fields, including:

1. Precision Instrumentation: It is used as a voltage reference in precision measurement instruments, such as multimeters and oscilloscopes, to ensure accurate readings.

2. Power Management: The IC is employed in power management circuits to provide a stable voltage reference for voltage regulators, ensuring reliable and efficient power delivery.

3. Sensor Calibration: It is utilized in sensor calibration circuits to establish a precise reference voltage for accurate sensor measurements.

4. Analog-to-Digital Converters (ADCs): The TL4050A25QDCKT serves as a voltage reference for ADCs, enabling accurate conversion of analog signals into digital data.

Detailed and Complete Alternative Models

1. TL431: This adjustable precision shunt regulator offers a wide range of output voltage options and can be used as an alternative to the TL4050A25QDCKT.

2. LT1021: This high-precision voltage reference IC provides excellent long-term stability and low temperature coefficient, making it suitable for demanding applications.

3. REF5025: With a low dropout voltage and high accuracy, this voltage reference IC is an alternative choice for applications requiring a fixed 2.5V output voltage.

4. LM4040: This series of precision voltage references offers various output voltage options and excellent temperature stability, providing flexibility for different design requirements.

In conclusion, the TL4050A25QDCKT is a precision voltage reference IC that combines low dropout voltage, high accuracy, and low power consumption in a small package. It finds applications in precision instrumentation, power management, sensor calibration, and ADCs. Alternative models such as TL431, LT1021, REF5025, and LM4040 offer similar functionalities with varying specifications and features.