LM329DZ/NOPB

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage References

Characteristics: - Precision voltage reference - Low temperature coefficient - Wide operating range - High stability - Low power consumption

Package: TO-92, 3-Pin

Essence: The LM329DZ/NOPB is a precision voltage reference IC used to provide a stable and accurate voltage reference in various electronic circuits.

Packaging/Quantity: Available in tape and reel packaging with 2,500 units per reel.

Specifications

• Output Voltage: 6.9V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 10ppm/°C
• Operating Temperature Range: -55°C to +125°C
• Supply Voltage Range: 4V to 30V
• Quiescent Current: 1.5mA

Pin Configuration

The LM329DZ/NOPB has three pins arranged as follows:

```

---

| | --| Vout |-- --| |-- --| Vin |-- |_______| ```

Pin Descriptions: - Vout: Output voltage pin - Vin: Input voltage pin

Functional Features

• High precision voltage reference
• Low temperature coefficient ensures stability over a wide temperature range
• Wide operating voltage range allows for versatile applications
• Low power consumption minimizes energy usage

Advantages

• Excellent accuracy and stability
• Wide operating temperature range
• Low power consumption
• Easy to use and integrate into circuits
• Compact TO-92 package

Disadvantages

• Limited output voltage options
• Higher initial cost compared to some alternatives

Working Principles

The LM329DZ/NOPB utilizes a bandgap voltage reference circuit to generate a stable and accurate output voltage. It compensates for temperature variations by employing a temperature-dependent current source and a voltage divider network. This ensures that the output voltage remains constant over a wide temperature range.

Detailed Application Field Plans

The LM329DZ/NOPB is commonly used in various applications, including: 1. Precision analog circuits 2. Voltage regulators 3. Data acquisition systems 4. Test and measurement equipment 5. Industrial control systems

Detailed and Complete Alternative Models

1. LM4040: Precision shunt voltage reference with adjustable output voltage.
2. LT1021: Ultra-high precision voltage reference with low noise performance.
3. REF5025: High-precision voltage reference with low dropout voltage.
4. MAX619: Low-power, low-voltage precision voltage reference.

These alternative models offer similar functionality and can be considered based on specific application requirements.

Note: The above information is subject to change. Please refer to the manufacturer's datasheet for the most up-to-date specifications and details.

Word Count: 346