SNVSCN7B
November 2023 – June 2024
REF54
PRODUCTION DATA
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
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics REF54250
6.6
Electrical Characteristics REF54300
6.7
Electrical Characteristics REF54410
6.8
Electrical Characteristics REF54450
6.9
Electrical Characteristics REF54500
6.10
Typical Characteristics
7
Parameter Measurement Information
7.1
Temperature Drift
7.2
Long-Term Stability
7.3
Noise Performance
7.3.1
1/f Noise
7.3.2
Broadband Noise
7.4
Thermal Hysteresis
7.5
Solder Heat Shift
7.6
Power Dissipation
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
EN Pin
8.3.2
NR Pin
9
Application and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
Basic Voltage Reference Connection
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.3
Application Curves
9.2.2
Reference Attach With High Precision ADC
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
Package Options
Mechanical Data (Package|Pins)
D|8
MSOI002K
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snvscn7b_oa
snvscn7b_pm
1
Features
Low temperature drift coefficient:
0.8ppm/°C maximum (C grade, 0°C to 70°C)
1.5ppm/°C maximum (Q grade, –40°C to 125°C)
Low noise (0.1Hz to 10Hz):
0.11ppm
p-p
with C
NR
= 100μF
0.45ppm
p-p
with C
NR
= Open
High accuracy: ±0.02% maximum
Low quiescent current: 380μA maximum
Low long-term stability (1k hr): 25ppm
Designed for a wide range of applications:
Wide input voltage up to 18V
Output current: ±10mA
Voltage options: 2.5V, 3V, 4.096V, 4.5V, 5V
Fit for all design requirement:
Stable with 1μF to 100μF output low-ESR capacitor
High PSRR: 100dB at 1kHz
Operating temperature range: −40°C to +125°C
Pin-to-pin to
REF50xx
family when TEMP pin is not used