REF191ESZ-REEL - Analog Devices Inc.

Manufacturer Part Number

REF191ESZ-REEL

Manufacturer

Analog Devices

Introduction

The REF191ESZ-REEL is a high-precision, low-power series voltage reference designed for Power Management Integrated Circuit (PMIC) applications, provided in a surface-mount package.

Product Features and Performance

Series voltage reference type ensuring stable output.

Fixed output voltage of 2.048V suitable for various digital systems.

Supports output current up to 30 mA accommodating higher load demands.

Exhibits low tolerance level of ±0.1%, enhancing system accuracy.

Features a low temperature coefficient of 5ppm/°C, ensuring stability over temperature variations.

Low noise output of 20µVp-p between 0.1Hz to 10Hz, optimizing system performance in sensitive applications.

Operates on a wide input voltage range from 3V to 15V, offering flexibility across different power supplies.

Consumes only 45µA of supply current, contributing to energy efficiency in applications.

Capable of operating across a wide temperature range from -40°C to 85°C.

Product Advantages

High precision and stability contribute to improved system accuracy.

Low power consumption makes it suitable for battery-operated devices.

Wide operating temperature range enhances its reliability in harsh environments.

Flexible input voltage range allows compatibility with various power sources.

Key Technical Parameters

Voltage Output (Min/Fixed): 2.048V

Current Output: 30 mA

Tolerance: ±0.1%

Temperature Coefficient: 5ppm/°C

Noise 0.1Hz to 10Hz: 20µVp-p

Voltage Input: 3V ~ 15V

Current Supply: 45µA

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Ensures stable voltage under varying environmental conditions, adhering to industry safety and performance standards.

Compatibility

Surface Mount technology for compatibility with automated PCB assembly processes.

Packaged in an 8-SOIC format, supporting standard IC footprints for ease of design integration.

Application Areas

Precision instrumentation

Data acquisition systems

Portable, battery-powered devices

Microcontroller power supplies

Product Lifecycle

Currently in the Active product phase, not nearing discontinuation.

Consistent availability of replacements or upgrades ensures long-term application usability.

Several Key Reasons to Choose This Product

High precision and low tolerance improve overall system accuracy.

Low power consumption is ideal for extended battery life in portable applications.

Wide input voltage range enhances flexibility in system power design.

Robust operating temperature range supports use in diverse environmental conditions.

Surface-mount package eases integration into modern PCB designs.

Comprehensive application potential from portable devices to precision instrumentation.