Datasheet

REF19x Series
Rev. J | Page 2 of 28
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Test Pins ............................................................................................. 1
Revision History ............................................................................... 3
Specifications ..................................................................................... 4
Electrical Characteristics—REF191 @ T
A
= 25°C .................... 4
Electrical Characteristics—REF191 @ −40°C ≤ +85°C ........... 5
Electrical Characteristics—REF191 @ −40°C ≤ T
A
≤ +125°C 6
Electrical Characteristics—REF192 @ T
A
= 25°C .................... 6
Electrical Characteristics—REF192 @ −40°C ≤ T
A
≤ +85°C .. 7
Electrical Characteristics—REF192 @ −40°C ≤ T
A
≤ +125°C 7
Electrical Characteristics—REF193 @ T
A
= 25°C .................... 8
Electrical Characteristics—REF193 @ −40°C ≤ T
A
≤ +85°C .. 8
Electrical Characteristics—REF193 @ T
A
≤ −40°C ≤ +125°C 9
Electrical Characteristics—REF194 @ T
A
= 25°C .................... 9
Electrical Characteristics—REF194 @ −40°C ≤ T
A
≤ +85°C 10
Electrical Characteristics—REF194 @ −40°C ≤ T
A
≤ +125°C
....................................................................................................... 10
Electrical Characteristics—REF195 @ T
A
= 25°C .................. 11
Electrical Characteristics—REF195 @ −40°C ≤ T
A
≤ +85°C 11
Electrical Characteristics—REF195 @ −40°C ≤ T
A
≤ +125°C
....................................................................................................... 12
Electrical Characteristics—REF196 @ T
A
= 25°C .................. 12
Electrical Characteristics—REF196 @ −40°C ≤ T
A
≤ +85°C 13
Electrical Characteristics—REF196 @ −40°C ≤ T
A
≤ +125°C
....................................................................................................... 13
Electrical Characteristics—REF198 @ T
A
= 25°C .................. 14
Electrical Characteristics—REF198 @ −40°C ≤ T
A
≤ +85°C 14
Electrical Characteristics—REF198 @ −40°C ≤ T
A
≤ +125°C
....................................................................................................... 15
Absolute Maximum Ratings ......................................................... 16
Thermal Resistance .................................................................... 16
ESD Caution................................................................................ 16
Typical Performance Characteristics ........................................... 17
Applications Information .............................................................. 20
Output Short-Circuit Behavior ................................................ 20
Device Power Dissipation Considerations .............................. 20
Output Voltage Bypassing ......................................................... 20
Sleep Mode Operation ............................................................... 20
Basic Voltage Reference Connections ..................................... 20
Membrane Switch-Controlled Power Supply ......................... 20
Current-Boosted References with Current Limiting ............. 21
Negative Precision Reference Without Precision Resistors .. 21
Stacking Reference ICs for Arbitrary Outputs ....................... 22
Precision Current Source .......................................................... 22
Switched Output 5 V/3.3 V Reference ..................................... 23
Kelvin Connections .................................................................... 23
Fail-Safe 5 V Reference .............................................................. 24
Low Power, Strain Gage Circuit ............................................... 25
Outline Dimensions ....................................................................... 26
Ordering Guide .......................................................................... 27