REF191ES - Analog Devices Inc.

Manufacturer Part Number

REF191ES

Manufacturer

Analog Devices

Introduction

The REF191ES by Analog Devices is a precision voltage reference from their REF19 series designed for Power Management Integrated Circuits (PMICs).

Product Features and Performance

Series voltage reference

Fixed output type with 2.048V output voltage

Stable output current of 30 mA

High accuracy with ±0.1% tolerance

Low temperature coefficient at 5ppm/°C

Low noise performance with 20µVp-p from 0.1Hz to 10Hz

Operates with input voltage from 3V to 15V

Low supply current of 45µA

Product Advantages

Precision fixed voltage output for stable reference

Low power consumption suitable for battery-powered applications

High accuracy and low temperature drift for dependable performance

Low noise output ideal for sensitive electronics

Key Technical Parameters

Output Voltage (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 (TA)

Quality and Safety Features

Stable output under various environmental conditions

Robust operation within specified temperature range

Compatibility

Compatible with devices requiring a precise 2.048V reference voltage

Surface mount 8-SOIC package for compatibility with standard PCB assembly processes

Application Areas

Precision voltage regulation

Power supply control

Data conversion

Instrumentation

Mixed-signal processing circuits

Product Lifecycle

Obsolete - This product is no longer in production, consult manufacturer for replacements or upgrades.

Several Key Reasons to Choose This Product

Precision reference voltage necessary for high-accuracy applications

Low power operation suitable for energy-sensitive designs

Extremely low noise which is advantageous for high-performance electronics

High reliability and stability over operating temperature range

Suitable for a wide range of input voltages

Easy to integrate into various circuit designs with its standard packaging and surface mount technology