SNAS781G
October 2020 – September 2023
REF70
PRODMIX
1
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison Table
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
REF7012 Electrical Characteristics
7.6
REF7025 Electrical Characteristics
7.7
REF7030 Electrical Characteristics
7.8
REF7033 Electrical Characteristics
7.9
REF7040 Electrical Characteristics
7.10
REF7050 Electrical Characteristics
7.11
Typical Characteristics
8
Parameter Measurement Information
8.1
Solder Heat Shift
8.2
Long-Term Stability
8.3
Thermal Hysteresis
8.4
Noise Performance
8.4.1
1/f Noise
8.4.2
Broadband Noise
8.5
Temperature Drift
8.6
Power Dissipation
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
EN Pin
9.4
Device Functional Modes
9.4.1
Basic Connections
9.4.2
Negative Reference Voltage
10
Application and Implementation
10.1
Application Information
10.2
Typical Applications
10.2.1
Typical Application: Basic Voltage Reference Connection
10.2.1.1
Design Requirements
10.2.1.2
Detailed Design Procedure
10.2.1.2.1
Input and Output Capacitors
10.2.1.2.1.1
Application Curve
10.2.1.2.2
Force and Sense Connection
10.2.2
Typical Application: DAC Force and Sense Reference Drive Circuit
10.2.2.1
Design Requirements
10.3
Power Supply Recommendation
10.4
Layout
10.4.1
Layout Guidelines
10.4.2
Layout Example
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
Package Options
Mechanical Data (Package|Pins)
FKH|8
MCCC003D
DGK|8
MPDS028E
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snas781g_oa
snas781g_pm
7.3
Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
MIN
NOM
MAX
UNIT
VIN
Input voltage
V
OUT
+ V
DO
(1)
18
V
EN
Enable voltage
0
VIN
V
I
L
Output current
–10
10
mA
T
A
Operating temperature
–40
25
125
°C
(1)
V
DO
= Dropout voltage. For V
OUT
< 2.5 V minimum VIN = 2.75 V