LM4040B82IDBZT

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: High precision, low dropout voltage, small package size
• Package: SOT-23-3
• Essence: LM4040B82IDBZT is a precision voltage reference IC used to provide a stable and accurate voltage reference for various applications.
• Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

• Voltage Output: 8.2V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: ±50 ppm/°C
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 2.7V to 10V
• Quiescent Current: 60 µA (typical)

Pin Configuration

The LM4040B82IDBZT has three pins arranged as follows:

```

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| | --| V+ |-- --| |-- |____| ```

1. V+: Positive supply voltage input
2. GND: Ground
3. VOUT: Voltage output

Functional Features

• High precision voltage reference
• Low dropout voltage
• Excellent temperature stability
• Low quiescent current
• Wide operating temperature range
• Small package size for space-constrained applications

Advantages

• Provides a stable and accurate voltage reference for precise measurements
• Low dropout voltage ensures efficient power utilization
• Excellent temperature stability allows for reliable performance across varying environmental conditions
• Low quiescent current minimizes power consumption
• Small package size enables usage in compact designs

Disadvantages

• Limited voltage output options (only 8.2V in this model)
• Higher initial cost compared to less precise voltage references

Working Principles

LM4040B82IDBZT utilizes a bandgap reference circuit to generate a stable voltage output. It compensates for temperature variations by employing a temperature-compensated design, ensuring accurate voltage reference over a wide temperature range. The IC operates within specified supply voltage limits and provides a constant voltage output with low dropout voltage.

Detailed Application Field Plans

The LM4040B82IDBZT is commonly used in various applications that require a precise and stable voltage reference. Some typical application fields include:

1. Precision measurement instruments
2. Data acquisition systems
3. Analog-to-digital converters (ADCs)
4. Voltage regulators
5. Battery management systems
6. Industrial control systems
7. Medical devices

Alternative Models

Here are some alternative models that can be considered as substitutes for LM4040B82IDBZT:

1. LM4040AIZ-8.2: Similar specifications, available in TO-92 package
2. LT1461CIS8-8.2: Higher accuracy, available in SOT-23-5 package
3. MAX6126AASA41+: Ultra-low noise, available in SOIC-8 package

These alternatives offer different features and package options, allowing users to choose the most suitable voltage reference for their specific requirements.

In conclusion, the LM4040B82IDBZT is a high-precision voltage reference IC that provides a stable and accurate voltage reference for various applications. Its small package size, low dropout voltage, and excellent temperature stability make it an ideal choice for precision measurement and control systems.