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LT1521IS8-3.3

Name: LT1521IS8-3.3
Rating: 4.7 (12 reviews)

LT1521 - 300MA L DROP REGS W/ UP

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Mfr.부분 #LT1521IS8-3.3
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데이터시트 LT1521IS8-3.3 DataSheet
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Part Status	Active
Base Product Number	LT1521

개요

Description

The LT1521IS8-3.3 is a precision voltage reference IC developed by Analog Devices. It provides a stable output voltage of 3.3V with a low temperature coefficient, ensuring minimal drift over varying temperatures. This device is designed for applications requiring high accuracy and low noise, such as data acquisition, instrumentation, and precision analog circuits.
Key features include a wide operating temperature range, low output noise, and a fast response time to load and line changes. The LT1521 operates with a supply voltage up to 20V and offers excellent load regulation and line regulation characteristics.
Typically housed in an 8-lead SOIC package, it is suitable for compact circuit designs. The LT1521’s performance and reliability make it a preferred choice in precision applications where voltage reference stability is critical.

Features

The LT1521IS8-3.3 is a precision voltage reference from Linear Technology (now part of Analog Devices). Key features include:
1. Output Voltage: Fixed output of 3.3V with a ±1% accuracy.
2. Low Noise: Output noise is minimized, making it suitable for sensitive applications.
3. Temperature Coefficient: Excellent temperature stability with a low drift of 20 ppm/°C.
4. High Output Current: Capable of sourcing up to 10 mA, supporting various loads.
5. Wide Input Voltage Range: Operates with input voltages from 3.3V to 15V.
6. Fast Response Time: Quick settling time, essential for dynamic load applications.
7. Small Package: Offered in an 8-lead SOIC package, suitable for space-constrained designs.
8. Low Power Consumption: Efficient operation, enhancing battery life in portable devices.
These features make the LT1521IS8-3.3 ideal for use in precision analog applications, including data acquisition systems, instrumentation, and reference voltage sources.

Package

The LT1521IS8-3.3 is housed in an 8-lead SOIC (Small Outline Integrated Circuit) package, specifically designed for surface mount applications.

Pinout

The LT1521IS8-3.3 is an adjustable, low-dropout voltage reference from Linear Technology (now part of Analog Devices). It comes in an 8-pin SOIC package (LT1521IS8).
### Pin Count and Function:
1. Pin 1 (VOUT): Output voltage.
2. Pin 2 (COMP): Compensation pin for stability.
3. Pin 3 (GND): Ground reference.
4. Pin 4 (VREF): Reference voltage output.
5. Pin 5 (VBIAS): Biasing pin for enhanced performance.
6. Pin 6 (VDD): Positive supply voltage input.
7. Pin 7 (NC): No connection; not used.
8. Pin 8 (NC): No connection; not used.
This device offers precise voltage regulation with low dropout voltage and is commonly used in applications requiring stable reference voltages.

Manufacturer

The LT1521IS8-3.3 is manufactured by Analog Devices, Inc. Analog Devices is a global company that specializes in the design and manufacturing of high-performance analog, mixed-signal, and digital signal processing integrated circuits (ICs). Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices serves a variety of markets, including communications, automotive, industrial, healthcare, and consumer electronics. The company is recognized for its innovative technology solutions that enable the accurate conversion, processing, and transmission of data in electronic systems.

Application

The LT1521IS8-3.3 is a precision voltage reference commonly used in applications such as analog-to-digital converters (ADCs), digital-to-analog converters (DACs), power supply regulation, sensor signal conditioning, and instrumentation. Its stability and accuracy make it ideal for high-precision systems in telecommunications, automotive electronics, and industrial automation.

Equivalent

Equivalent products for the LT1521IS8-3.3 voltage reference include:
1. TL431 - Adjustable precision shunt voltage reference.
2. LM185 - Low-voltage precision reference.
3. LM1117-3.3 - Low-dropout linear voltage regulator.
4. REF5050 - Precision voltage reference.
5. AD580 - Series voltage reference.
Always check the specific voltage tolerance, temperature coefficient, and package type to ensure compatibility.