OPA656 datasheet(2/39 Pages) TI2

2 / 39 page

Table of Contents

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

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

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

4 Device Comparison Table...............................................2

5 Pin Configuration and Functions...................................3

6 Specifications.................................................................. 4

6.1 Absolute Maximum Ratings........................................ 4

6.2 ESD Ratings............................................................... 4

6.3 Recommended Operating Conditions.........................4

6.4 Thermal Information....................................................4

6.5 Electrical Characteristics.............................................5

6.6 Typical Characteristics: VS = ±5 V.............................. 7

6.7 Typical Characteristics: VS = 6 V.............................. 13

7 Detailed Description......................................................14

7.1 Overview................................................................... 14

7.2 Functional Block Diagram......................................... 14

7.3 Feature Description...................................................14

7.4 Device Functional Modes..........................................17

8 Application and Implementation.................................. 18

8.1 Application Information............................................. 18

8.2 Typical Applications.................................................. 20

8.3 Power Supply Recommendations.............................23

8.4 Layout....................................................................... 23

9 Device and Documentation Support............................26

9.1 Device Support......................................................... 26

9.2 Documentation Support............................................ 26

9.3 Receiving Notification of Documentation Updates....26

9.4 Support Resources................................................... 26

9.5 Trademarks...............................................................26

9.6 Electrostatic Discharge Caution................................26

9.7 Glossary....................................................................26

10 Revision History.......................................................... 26

11 Mechanical, Packaging, and Orderable

Information.................................................................... 27

4 Device Comparison Table

DEVICE

VS (V)

BW (MHz)

Input

SLEW RATE

(V/μs)

VOLTAGE NOISE

(nV/√ Hz)

MINIMUM STABLE

GAIN (V/V)

OPA818

±6.5

2700

FET

1400

2.2

OPA657

±5

1600

FET

700

4.8

OPA656

±5

230

FET

290

OPA659

±6

350

FET

2550

8.9

LMH6629 (1)

±2.5

800 or 4000

BJT

530 or 1600

0.69

4 or 10

OPA858

±2.5

5500

CMOS

2000

2.5

THS4631

±15

210

FET

1000

(1)

Pin selectable compensation.

OPA818

SBOS940B – MAY 2019 – REVISED DECEMBER 2025

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