LM4040D50IDBZRG4

Product Overview

• Category: Integrated Circuit
• Use: Voltage Reference
• Characteristics: High Precision, Low Dropout, Low Noise
• Package: SOT-23 (Small Outline Transistor)
• Essence: LM4040D50IDBZRG4 is a precision voltage reference that provides a stable and accurate output voltage of 5.0V.
• Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

• Output Voltage: 5.0V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: ±50ppm/°C
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 60µA (typical)
• Dropout Voltage: 200mV (typical)

Pin Configuration

The LM4040D50IDBZRG4 has three pins:

1. VOUT: Output pin for the 5.0V reference voltage.
2. GND: Ground pin.
3. NC: No connection pin.

Functional Features

• High precision and accuracy ensure stable output voltage.
• Low dropout voltage allows for efficient operation even with low input voltages.
• Low noise output ensures minimal interference in sensitive applications.
• Wide operating temperature range enables usage in various environments.
• Small package size makes it suitable for space-constrained designs.

Advantages and Disadvantages

Advantages

• Provides a precise and stable 5.0V reference voltage.
• Low dropout voltage allows for efficient power utilization.
• Low noise output ensures accurate measurements in sensitive applications.
• Wide operating temperature range enables usage in extreme conditions.
• Small package size facilitates integration into compact designs.

Disadvantages

• Limited output voltage options (only 5.0V).
• Higher initial cost compared to less precise voltage references.
• Requires external components for proper operation.

Working Principles

The LM4040D50IDBZRG4 is based on a bandgap reference circuit that generates a stable voltage reference using temperature-dependent properties of semiconductor materials. It utilizes a precision trimming technique to achieve high accuracy and low temperature coefficient. The output voltage is regulated by an internal amplifier, ensuring a constant 5.0V output regardless of input voltage variations.

Detailed Application Field Plans

The LM4040D50IDBZRG4 is commonly used in various applications requiring a stable and accurate 5.0V reference voltage. Some typical application fields include:

1. Precision analog-to-digital converters (ADCs) and digital-to-analog converters (DACs).
2. Voltage regulators and power management circuits.
3. Battery charging and monitoring systems.
4. Temperature sensors and control circuits.
5. Industrial automation and control systems.
6. Test and measurement equipment.
7. Audio amplifiers and signal processing circuits.

Detailed and Complete Alternative Models

1. LM4040AIM3-5.0/NOPB: Similar to LM4040D50IDBZRG4, but available in a different package (SOT-23-3).
2. LT1021BCN8-5: Precision voltage reference with a 5.0V output, offered in an 8-pin DIP package.
3. REF5025AIDGKT: High-precision voltage reference with a 5.0V output, provided in a 8-pin VSSOP package.

These alternative models offer similar functionality and can be considered as substitutes for the LM4040D50IDBZRG4 in various applications.

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