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REF35-Q1 Ultra Low-Power, High-Precision Voltage Reference
SNAS845
august 2023
REF35-Q1
PRODUCTION DATA
CONTENTS
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REF35-Q1 Ultra Low-Power, High-Precision Voltage Reference
1
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Typical Characteristics
8
Parameter Measurement Information
8.1
Solder Heat Shift
8.2
Temperature Coefficient
8.3
Long-Term Stability
8.4
Thermal Hysteresis
8.5
Noise Performance
8.5.1
Low-Frequency (1/f) Noise
8.5.2
Broadband Noise
8.6
Power Dissipation
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Supply Voltage
9.3.2
EN Pin
9.3.3
NR Pin
9.4
Device Functional Modes
9.4.1
Basic Connections
9.4.2
Start-Up
9.4.3
Output Transient Behavior
10
Application and Implementation
10.1
Application Information
10.2
Typical Application: Negative Reference Voltage
10.3
Typical Application: Precision Power Supply and Reference
10.3.1
Design Requirements
10.3.2
Detailed Design Procedure
10.3.2.1
Selection of Reference
10.3.2.2
Input and Output Capacitors
10.3.2.3
Selection of ADC
10.3.3
Application Curves
10.4
Power Supply Recommendations
10.5
Layout
10.5.1
Layout Guidelines
10.5.2
Layout Examples
11
Device and Documentation Support
11.1
Documentation Support
11.1.1
Related Documentation
11.2
Receiving Notification of Documentation Updates
11.3
Support Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
DBV|6
MPDS026Q
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snas845_oa
snas845_pm
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REF35-Q1 Ultra Low-Power, High-Precision Voltage Reference