LM4040DIM3-2.1+T

Product Overview

Category

The LM4040DIM3-2.1+T belongs to the category of voltage references.

Use

This product is commonly used as a precision voltage reference in various electronic circuits.

Characteristics

• High accuracy: The LM4040DIM3-2.1+T provides a highly accurate output voltage of 2.1V.
• Low temperature coefficient: It exhibits a low temperature coefficient, ensuring stable performance across a wide range of temperatures.
• Low power consumption: This voltage reference consumes minimal power, making it suitable for battery-powered applications.
• Small package size: The LM4040DIM3-2.1+T comes in a compact SOT-23 package, allowing for space-efficient designs.
• Wide operating voltage range: It can operate within a wide voltage range, making it versatile for different applications.

Package and Quantity

The LM4040DIM3-2.1+T is available in a SOT-23 package. It is typically sold in reels or tubes, with a quantity of 3000 units per reel or 1000 units per tube.

Specifications

• Output Voltage: 2.1V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 2.7V to 10V
• Quiescent Current: 60µA (typical)
• Load Regulation: 0.1% (typical)

Pin Configuration

The LM4040DIM3-2.1+T has three pins:

1. VOUT: Output pin, which provides a stable 2.1V reference voltage.
2. GND: Ground pin, connected to the common ground of the circuit.
3. VIN: Input pin, which is connected to the supply voltage.

Functional Features

• Precise voltage reference: The LM4040DIM3-2.1+T ensures a stable and accurate 2.1V output voltage, suitable for precision applications.
• Low power consumption: With a quiescent current of only 60µA, it minimizes power consumption, making it ideal for battery-powered devices.
• Temperature stability: The low temperature coefficient of 50ppm/°C ensures consistent performance across varying temperatures.
• Fast response time: The LM4040DIM3-2.1+T provides a quick response to changes in input voltage, enabling rapid stabilization of the output voltage.

Advantages and Disadvantages

Advantages

• High accuracy and stability
• Low power consumption
• Compact package size
• Wide operating voltage range
• Fast response time

Disadvantages

• Limited output voltage options (only 2.1V)

Working Principles

The LM4040DIM3-2.1+T utilizes a bandgap voltage reference circuit to generate a precise and stable 2.1V output voltage. It compensates for temperature variations by employing a proportional-to-absolute-temperature (PTAT) current source and a negative temperature coefficient (NTC) resistor. This design ensures that the output voltage remains constant over a wide temperature range.

Detailed Application Field Plans

The LM4040DIM3-2.1+T finds applications in various fields, including:

1. Precision analog circuits: It serves as a reliable voltage reference for analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and other precision measurement systems.
2. Sensor calibration: The LM4040DIM3-2.1+T can be used to calibrate sensors that require a stable and accurate reference voltage.
3. Battery-powered devices: Due to its low power consumption, it is suitable for use in portable electronic devices powered by batteries.
4. Industrial control systems: It can be employed in industrial control systems that require precise voltage references for accurate measurements and control.

Detailed and Complete Alternative Models

1. LM4040DIM3-1.2+T: Provides a 1.2V output voltage with similar characteristics and package options.
2. LM4040DIM3-2.5+T: Offers a 2.5V output voltage, maintaining the same features and package size.
3. LM4040DIM3-5.0+T: Provides a 5.0V output voltage, suitable for applications requiring higher reference voltages.

These alternative models offer different output voltage options while retaining the key characteristics and package compatibility of the LM4040DIM3-2.1+T.

In conclusion, the LM4040DIM3-2.1+T is a precision voltage reference that offers high accuracy, low power consumption, and temperature stability. Its compact package and wide operating voltage range make it versatile for various