SNAS856
September 2024
REF80
ADVANCE INFORMATION
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
Noise Performance
8.3.1
1/f Noise
8.3.2
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
9.2.1.2.1
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
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
Package Options
Mechanical Data (Package|Pins)
NAJ|20
MCLC004
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snas856_oa
1
Features
7.6V ultra-precision reference with minimal number of external components
Ultra-low temperature drift: 0.05ppm/°C
Excellent long term stability: < 1ppm
Integrated heater with temperature stable indicator
1/f noise (0.1Hz to 10Hz) : 0.16ppm
pk-pk
Input Voltage range: 10V to 16.5V
Heater supply range: 10V to 42V
Hermetically sealed ceramic package (20 pin LCCC)