LM4040D41IDCKR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: High precision, low dropout voltage, small package size
• Package: SC-70 (SOT-323), 3-pin
• Essence: LM4040D41IDCKR is a precision voltage reference IC that provides a stable and accurate output voltage.
• Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel.

Specifications

• Output Voltage: 4.096V
• 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

Pin Configuration

The LM4040D41IDCKR has the following pin configuration:

____ V+ | | GND ------| |------ |____|

• Pin 1 (V+): Positive supply voltage input
• Pin 2: Not connected (NC)
• Pin 3 (GND): Ground reference

Functional Features

• Provides a precise and stable output voltage of 4.096V
• Low dropout voltage ensures efficient operation even with low input voltages
• Excellent initial accuracy and temperature coefficient for reliable performance across various operating conditions
• Low quiescent current minimizes power consumption

Advantages and Disadvantages

Advantages: - High precision and stability - Small package size allows for space-saving designs - Wide operating temperature range - Low dropout voltage

Disadvantages: - Limited output voltage options - Not suitable for applications requiring higher output currents

Working Principles

The LM4040D41IDCKR is based on a bandgap voltage reference circuit. It utilizes the temperature-dependent voltage across a forward-biased base-emitter junction of a bipolar transistor to generate a stable reference voltage. This voltage is then amplified and regulated to provide a precise output voltage of 4.096V.

Detailed Application Field Plans

The LM4040D41IDCKR is commonly used in various applications that require a stable and accurate voltage reference. Some typical application fields include:

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

Detailed and Complete Alternative Models

• LM4040CIM3-4.1/NOPB
• LT1461AIS8-4.1#PBF
• MAX6126AASA41+
• REF3040AIDBZT

These alternative models offer similar functionality and performance to the LM4040D41IDCKR and can be considered as substitutes depending on specific requirements.

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