LT1009CDRG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: High precision, low drift, low noise
• Package: SOIC-8
• Essence: Provides a stable and accurate voltage reference for various electronic applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 10ppm/°C
• Supply Voltage Range: 4.5V to 40V
• Quiescent Current: 1.5mA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1009CDRG4 has the following pin configuration:

1. VOUT: Output Voltage
2. GND: Ground
3. NC: No Connection
4. TRIM: Trimming Input
5. NC: No Connection
6. VIN: Input Voltage
7. NC: No Connection
8. NC: No Connection

Functional Features

• High Precision: The LT1009CDRG4 provides a highly accurate output voltage of 2.5V with an initial accuracy of ±0.5%.
• Low Drift: It exhibits a low temperature coefficient of 10ppm/°C, ensuring stability over a wide range of temperatures.
• Low Noise: The voltage reference is designed to have minimal noise interference, making it suitable for sensitive applications.

Advantages and Disadvantages

Advantages: - High precision and stability - Low temperature coefficient - Low noise interference - Wide supply voltage range

Disadvantages: - Limited output voltage options - Relatively high quiescent current

Working Principles

The LT1009CDRG4 is based on a bandgap voltage reference circuit. It utilizes the temperature-dependent characteristics of bipolar junction transistors to generate a stable and accurate reference voltage. The trimming input allows for fine adjustment of the output voltage.

Detailed Application Field Plans

The LT1009CDRG4 is commonly used in various electronic applications that require a precise and stable voltage reference. Some typical application fields include:

1. Analog-to-Digital Converters (ADCs)
2. Digital-to-Analog Converters (DACs)
3. Voltage regulators
4. Precision measurement instruments
5. Data acquisition systems

Detailed and Complete Alternative Models

• LT1236: Precision Reference with Lower Initial Accuracy but Higher Temperature Stability
• LM4040: Micropower Shunt Voltage Reference with Lower Quiescent Current
• REF5025: High-Precision Voltage Reference with Programmable Output Voltage

These alternative models offer different trade-offs in terms of initial accuracy, temperature stability, quiescent current, and programmability.

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