• Added footnote for Device Information table for VSSOP package..................................................................... 1

• Updated Long-term stability numbers to reflect latest evaluation results........................................................... 8

• Changed Figure 7-25 to longer duration (4000 hours)..................................................................................... 14

• Changed Figure 8-4, to longer duration (4000 hours)...................................................................................... 20

Changes from Revision C (September 2021) to Revision D (November 2021)

Page

• Changed REF7012 status from Preproduction device to Released device........................................................4

• Changed REF7012 status to Released Device. Updated specifications to meet production release device..... 7

• Added REF7030 Electrical Characteristics table................................................................................................ 9

• Added REF7033 Electrical Characteritics table................................................................................................10

• Added REF7012 Thermal Hysteresis figure..................................................................................................... 14

• Added JEDEC standard details to follow for solder reflow profiles. Updated solder shift histogram plot......... 19

• Added Thermal Hysteresis plots for REF7012 device ..................................................................................... 20

Changes from Revision B (April 2021) to Revision C (September 2021)

Page

• Add 1.25 V variant to Features on page1...........................................................................................................1

• In the Device Comparison Table, added the 1.25V variant and added foot notes to indicate which devices are

released vs pre-production ................................................................................................................................ 4

• Changed Dropout voltage to min VIN = 2.75 V for VOUT < 2.5 V. .................................................................... 6

• Added Electrical Characteristics table for REF7012 (Product Preview)............................................................. 7

• Changed VINMIN from 3 V to VOUT + VDO ...........................................................................................................8

• Added Electrical Characteristics table for REF7040 (Product Preview)............................................................11

• Added Electrical Characteristics table for REF7050 (Product Preview)........................................................... 12

• Added to the notes above the Typical Characteristics plots, Vref = 2.5 V to the default conditions................. 14

• Under Temperature Drift section of the Parameter Measurement Information, corrected the figure from Long

Term Drift plot to Temperature Drift...................................................................................................................24

Changes from Revision A (December 2020) to Revision B (April 2021)

Page

• Changed REF7025 to more general REF70 series in heading and device information. Added ADC companion

products.............................................................................................................................................................. 1

• Changed Figures 7-2 and 7-20, Long-Term Stability (First 1000 Hours), to longer duration (2000 hours).......14

• Corrected typical shift from 0.021% to 0.009%.................................................................................................19

• Changed Figure 8-3, Long-Term Stability LCCC -1000 hours), to longer duration (2000 hours)..................... 20

• Corrected Figure 8-5, Thermal Hysteresis Distribution Cycle 2 (-40°C to 125°C), data and title..................... 20

• Reordered figures and paragraphs for better flow............................................................................................ 23

• Changed VREF to VREF(25°C) in Equation 2........................................................................................................24

• Added missing supply bypass capacitor value (10-μF).................................................................................... 25

• Clarified piezoelectric contribution to noise and added links to resources....................................................... 28

• Added clarification on how to connect OUTF and OUTS in specific load current condition............................. 29

• Corrected part numbers and added links in Table 10-2, Reference Op Amp Options .....................................30

Changes from Revision * (October 2020) to Revision A (December 2020)

Page

• APL to RTM release........................................................................................................................................... 1

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REF70

SNAS781G – OCTOBER 2020 – REVISED SEPTEMBER 2023

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