REF195GPZ

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - High precision - Low temperature coefficient - Low dropout voltage - Low quiescent current

Package: TO-92, SOT-23, SOIC-8

Essence: REF195GPZ is a voltage reference IC that provides a stable and accurate voltage output.

Packaging/Quantity: Available in tape and reel packaging. Quantity varies based on supplier.

Specifications

Output Voltage Range: 1.225V to 5.5V
Initial Accuracy: ±0.2%
Temperature Coefficient: 50ppm/°C
Dropout Voltage: 200mV
Quiescent Current: 60µA
Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

REF195GPZ has the following pin configuration:

VOUT: Output Voltage
GND: Ground
VIN: Input Voltage

Functional Features

High precision voltage reference for various applications
Stable output voltage over a wide range of operating conditions
Low temperature coefficient ensures minimal voltage drift with temperature changes
Low dropout voltage allows operation with low input voltages
Low quiescent current minimizes power consumption

Advantages

Accurate and stable voltage reference
Wide operating temperature range
Small package options for space-constrained designs
Low power consumption

Disadvantages

Limited output voltage range
Higher initial cost compared to some alternatives

Working Principles

REF195GPZ utilizes bandgap voltage reference technology to generate a precise and stable output voltage. It compensates for temperature variations by employing a temperature-dependent voltage reference circuit. The internal amplifier ensures a low dropout voltage and maintains a constant output voltage even with varying input voltages.

Detailed Application Field Plans

REF195GPZ is commonly used in various applications, including:

Precision analog-to-digital converters (ADCs)
Voltage regulators
Battery-powered devices
Sensor calibration circuits
Data acquisition systems

Detailed and Complete Alternative Models

Some alternative models to REF195GPZ include:

LM4040: Low-power precision voltage reference
LT1021: High-precision voltage reference with low temperature drift
MAX619: Micropower voltage reference with low dropout voltage
ADR431: Ultralow noise voltage reference for high-performance applications

These alternatives offer similar functionality and can be considered based on specific requirements and design constraints.

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10 سوال و پاسخ رایج مربوط به کاربرد REF195GPZ در راه حل های فنی را فهرست کنید

Sure! Here are 10 common questions and answers related to the application of REF195GPZ in technical solutions:

Q: What is REF195GPZ? A: REF195GPZ is a precision voltage reference IC (integrated circuit) manufactured by Texas Instruments.
Q: What is the voltage range of REF195GPZ? A: The voltage range of REF195GPZ is typically between 1.225V and 5.5V.
Q: What is the purpose of using REF195GPZ in technical solutions? A: REF195GPZ is commonly used as a stable voltage reference for various applications, such as analog-to-digital converters, power supplies, and sensor circuits.
Q: How accurate is REF195GPZ? A: REF195GPZ has a high initial accuracy of ±0.05% and a low temperature coefficient of ±50ppm/°C, ensuring precise voltage references.
Q: Can REF195GPZ operate in extreme temperatures? A: Yes, REF195GPZ can operate in a wide temperature range, typically from -40°C to +125°C, making it suitable for both industrial and automotive applications.
Q: Does REF195GPZ require external components for operation? A: Yes, REF195GPZ requires an external capacitor for stability. The datasheet provides guidelines for selecting the appropriate capacitor value.
Q: Can REF195GPZ handle high current loads? A: No, REF195GPZ is designed for low current applications. It has a maximum output current capability of 15mA.
Q: Is REF195GPZ available in different package options? A: Yes, REF195GPZ is available in a small SOT-23 package, which is suitable for space-constrained designs.
Q: Can REF195GPZ be used in battery-powered applications? A: Yes, REF195GPZ has a low quiescent current of typically 60µA, making it suitable for battery-powered devices where power consumption is critical.
Q: Are there any application notes or reference designs available for REF195GPZ? A: Yes, Texas Instruments provides application notes and reference designs that offer guidance on using REF195GPZ in various technical solutions. These resources can be found on their website.

Please note that the answers provided here are general and may vary depending on specific design requirements and application considerations. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.