LT1009IPW

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: High precision, low dropout voltage, low temperature coefficient
• Package: Power SO-24 Wide
• Essence: LT1009IPW is a high precision voltage reference IC used in various electronic applications.
• Packaging/Quantity: Available in tape and reel packaging with 250 units per reel.

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.4%
• Temperature Coefficient: 10ppm/°C
• Dropout Voltage: 300mV
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 4.5V to 36V
• Quiescent Current: 1.5mA

Detailed Pin Configuration

The LT1009IPW has a total of 24 pins arranged as follows:

Pin 1: VOUT Pin 2: GND Pin 3: NC Pin 4: NC Pin 5: NC Pin 6: NC Pin 7: NC Pin 8: NC Pin 9: NC Pin 10: NC Pin 11: NC Pin 12: NC Pin 13: NC Pin 14: NC Pin 15: NC Pin 16: NC Pin 17: NC Pin 18: NC Pin 19: NC Pin 20: NC Pin 21: NC Pin 22: NC Pin 23: NC Pin 24: VIN

Functional Features

• High precision voltage reference with low initial accuracy and temperature coefficient.
• Low dropout voltage allows for efficient operation in low voltage applications.
• Wide operating temperature range makes it suitable for various environments.
• Can be used as a stable reference voltage source in electronic circuits.

Advantages and Disadvantages

Advantages

• High precision output voltage.
• Low temperature coefficient ensures stability over a wide temperature range.
• Low dropout voltage enables efficient operation in low voltage systems.
• Wide supply voltage range allows for versatile applications.

Disadvantages

• Limited output voltage options (only 2.5V).
• Relatively high quiescent current compared to some other voltage references.

Working Principles

The LT1009IPW is based on bandgap voltage reference technology. It utilizes a combination of bipolar and CMOS transistor circuits to generate a stable reference voltage. The internal circuitry compensates for temperature variations, ensuring a consistent output voltage over a wide temperature range.

Detailed Application Field Plans

The LT1009IPW can be used in various electronic applications that require a stable and precise reference voltage. Some common application fields include:

1. Precision analog-to-digital converters (ADCs)
2. Digital-to-analog converters (DACs)
3. Voltage regulators
4. Power management systems
5. Battery charging circuits
6. Temperature measurement systems
7. Sensor calibration circuits

Detailed and Complete Alternative Models

1. LT6654: Precision voltage reference with multiple output voltage options.
2. LM4040: Low-power, precision voltage reference with adjustable output voltage.
3. REF5025: High-precision voltage reference with low temperature drift.
4. MAX619: Ultra-low power, low dropout voltage reference.
5. ADR4520: High accuracy, low noise voltage reference.

These alternative models offer similar functionality and can be considered as alternatives to the LT1009IPW depending on specific requirements.

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