LM4140ACM-1.0/NOPB

Product Overview

Category

The LM4140ACM-1.0/NOPB belongs to the category of voltage references.

Use

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

Characteristics

• High accuracy and stability
• Low temperature coefficient
• Low output noise
• Wide operating temperature range

Package

The LM4140ACM-1.0/NOPB is available in a small surface-mount package.

Essence

This product serves as a reliable and precise voltage reference for accurate voltage measurements and stable circuit operation.

Packaging/Quantity

The LM4140ACM-1.0/NOPB is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Output Voltage: 1.0V
• Initial Accuracy: ±0.2%
• Temperature Coefficient: 50ppm/°C
• Supply Voltage Range: 2.7V to 5.5V
• Quiescent Current: 60µA
• Output Noise Voltage: 30µVrms (10Hz to 100kHz)

Detailed Pin Configuration

The LM4140ACM-1.0/NOPB has the following pin configuration:

1. VOUT: Output Voltage
2. GND: Ground
3. VIN: Input Voltage

Functional Features

• High precision voltage reference
• Low power consumption
• Stable output voltage over temperature and time
• Low output noise for accurate measurements
• Wide supply voltage range for versatile applications

Advantages

• Excellent accuracy and stability ensure reliable performance.
• Low temperature coefficient minimizes voltage drift with temperature changes.
• Low output noise allows for precise measurements in sensitive applications.
• Wide operating temperature range enables usage in extreme environments.

Disadvantages

• Limited output voltage options restrict its use in certain applications requiring different reference voltages.
• Higher cost compared to less precise voltage references.

Working Principles

The LM4140ACM-1.0/NOPB utilizes a bandgap voltage reference circuit to generate a stable and accurate 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 a consistent output voltage over a wide temperature range.

Detailed Application Field Plans

The LM4140ACM-1.0/NOPB finds applications in various fields, including:

1. Precision measurement equipment
2. Data acquisition systems
3. Industrial control systems
4. Medical devices
5. Automotive electronics

Its high accuracy and stability make it suitable for any application that requires precise voltage references.

Detailed and Complete Alternative Models

1. LM4040AIM3-1.0/NOPB: 1.0V precision shunt voltage reference
2. LT6656BCS6-1.0#TRMPBF: 1.0V micropower precision voltage reference
3. MAX6126AASA25+: 2.5V ultra-high precision voltage reference

These alternative models offer similar functionality and can be used as substitutes for the LM4140ACM-1.0/NOPB in various applications.

In conclusion, the LM4140ACM-1.0/NOPB is a high-precision voltage reference with excellent accuracy, stability, and low noise characteristics. Its wide operating temperature range and low power consumption make it suitable for a variety of applications. However, its limited output voltage options and higher cost may be considered as disadvantages in certain scenarios.