Table of Contents

1 Features............................................................................1

2 Applications..................................................................... 1

3 Description.......................................................................1

4 Revision History.............................................................. 2

5 Device Comparison Table...............................................4

6 Pin Configuration and Functions...................................5

7 Specifications.................................................................. 7

7.1 Absolute Maximum Ratings ....................................... 7

7.2 ESD Ratings .............................................................. 7

7.3 Recommended Operating Conditions ........................7

7.4 Thermal Information: OPA189 ................................... 8

7.5 Thermal Information: OPA2189 ................................. 8

7.6 Thermal Information: OPA4189 ................................. 8

7.7 Electrical Characteristics ............................................9

7.8 Typical Characteristics.............................................. 12

8 Detailed Description......................................................20

8.1 Overview................................................................... 20

8.2 Functional Block Diagram......................................... 20

8.3 Feature Description...................................................21

8.4 Device Functional Modes..........................................27

9 Application and Implementation.................................. 28

9.1 Application Information............................................. 28

9.2 Typical Applications.................................................. 28

9.3 System Examples..................................................... 33

10 Power Supply Recommendations..............................34

11 Layout........................................................................... 35

11.1 Layout Guidelines................................................... 35

11.2 Layout Example...................................................... 35

12 Device and Documentation Support..........................36

12.1 Device Support....................................................... 36

12.2 Documentation Support.......................................... 36

12.3 Receiving Notification of Documentation Updates..36

12.4 Support Resources................................................. 36

12.5 Trademarks.............................................................37

12.6 Electrostatic Discharge Caution..............................37

12.7 Glossary..................................................................37

13 Mechanical, Packaging, and Orderable

Information.................................................................... 37

4 Revision History

NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

Changes from Revision F (July 2020) to Revision G (April 2021)

Page

• Added OPA4189 in TSSOP-14 (PW) package as advanced information (preview)........................................... 1

Changes from Revision E (May 2019) to Revision F (July 2020)

Page

• Changed OPA2189 VSSOP-8 (DGK) package from preview to production data (active).................................. 1

• Added Added input offset for OPA2189IDGK..................................................................................................... 9

• Added Added input offset drift for OPA2189IDGK.............................................................................................. 9

Changes from Revision D (December 2018) to Revision E (May 2019)

Page

• Changed OPA189 SOT-23 (DBV) package from preview to production data (active)........................................1

• Changed Figure 3, Input Bias Current Production Distribution, to show updated data.................................... 12

• Changed Figure 4, Input Offset Current Production Distribution, to show updated data..................................12

• Changed Figure 8, Open-Loop Gain and Phase vs Frequency, for clarity....................................................... 12

• Changed Figure 9, Closed-Loop Gain vs Frequency, for clarity.......................................................................12

• Added new Figure 39, OPA2189 Long-Term Drift ........................................................................................... 12

Changes from Revision C (October 2018) to Revision D (November 2018)

Page

• Changed OPA2189 SOIC (D) package from preview to production data........................................................... 1

• Added input bias current for OPA2189ID............................................................................................................9

• Added input offset current for OPA2189ID..........................................................................................................9

• Added crosstalk for OPA2189ID......................................................................................................................... 9

• Changed Maximum Output Voltage Amplitude vs Frequency to reflect undistorted operating range.............. 12

• Added OPA189 long-term drift and OPA2189 channel separation curves........................................................12

Changes from Revision B (October 2018) to Revision C (October 2018)

Page

• First release of production-data sheet for OPA189IDGK....................................................................................1

OPA189, OPA2189, OPA4189

SBOS830G – SEPTEMBER 2017 – REVISED APRIL 2021

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