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REF80 Temperature-Controlled Buried Zener Reference with 0.05ppm/°C Drift and < 1ppm Stability
SNAS856A
September 2024 – March 2025
REF80
PRODUCTION DATA
CONTENTS
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REF80 Temperature-Controlled Buried Zener Reference with 0.05ppm/°C Drift and < 1ppm Stability
1
1
Features
2
Applications
3
Description
4
Device Comparison Table
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Thermal Information
6.4
Recommended Operating Conditions
6.5
Electrical Characteristics
6.6
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Heater
7.3.2
Buried Zener Reference
8
Parameter Measurement Information
8.1
Long-Term Stability
8.2
Temperature Drift
8.3
Thermal Hysteresis
8.4
Noise Performance
8.4.1
1/f Noise
8.4.2
Broadband Noise
9
Application and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
Typical Application: Basic Voltage Reference Connection
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.3
Application Curve
9.2.2
Typical Application Circuits
9.2.2.1
Precision Voltage Divider Connection
9.2.2.2
Calibration Signal
9.3
Power Supply Recommendation
9.4
Layout
9.4.1
Layout Guidelines
9.4.2
Layout Example
10
Device and Documentation Support
10.1
Documentation Support
10.1.1
Related Documentation
10.2
Receiving Notification of Documentation Updates
10.3
Support Resources
10.4
Trademarks
10.5
Electrostatic Discharge Caution
10.6
Glossary
11
Revision History
12
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
NAJ|20
MCLC004
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snas856a_oa
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