SBOS283D
September 2003 – March 2018
REF1112
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Shunt Reference Application Schematic
Pinout
4
Revision History
5
Pin Configuration and Functions
Pin Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
Shunt Regulator
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.2
MicroPOWER 3-μA, 1-V Voltage Reference
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.2.3
2.5-V Reference on 1 μA
8.2.3.1
Design Requirements
8.2.3.2
Detailed Design Procedure
8.2.4
Adjustable Voltage Shunt Reference
8.2.5
Level Shift to Achieve Full ADC Input Range
8.2.6
Stable Current Source
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Receiving Notification of Documentation Updates
11.2
Community Resources
11.3
Trademarks
11.4
Electrostatic Discharge Caution
11.5
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DBZ|3
MPDS108G
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbos283d_oa
sbos283d_pm
1
Features
Small Package: SOT23-3
Fixed Reverse Breakdown Voltage of 1.25 V
Key Specifications
Output Voltage Tolerance: ±0.2% (Maximum)
Low Output Noise (0.1 Hz to 10 Hz): 25 μV
pp
(Typical)
Temperature Range: −40°C to +125°C
Operating Current Range: 1.2 μA to 5 mA
Low Temperature Coefficient From 0°C to +70°C: 30ppm/°C (Maximum)
Low Temperature Coefficient From –40°C to +85°C: 50ppm/°C (Maximum)