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

7 Detailed Description........................................................8

7.1 Overview..................................................................... 8

7.2 Functional Block Diagram........................................... 8

7.3 Feature Description.....................................................9

7.4 Device Functional Modes..........................................11

8 Application and Implementation.................................. 12

8.1 Application Information............................................. 12

8.2 Typical Applications.................................................. 12

8.3 Power Supply Recommendations.............................15

8.4 Layout....................................................................... 15

9 Device and Documentation Support............................17

9.1 Device Support......................................................... 17

9.2 Documentation Support............................................ 17

9.3 Receiving Notification of Documentation Updates....17

9.4 Support Resources................................................... 17

9.5 Trademarks...............................................................17

9.6 Electrostatic Discharge Caution................................18

9.7 Glossary....................................................................18

10 Revision History.......................................................... 18

11 Mechanical, Packaging, and Orderable

Information.................................................................... 18

4 Device Comparison Table

DEVICE

DESCRIPTION

GAIN EQUATION

RG PINS AT

PIN

PGA855

Low-noise, wide-bandwidth, fully-differential-output programmable-gain

instrumentation amplifier

Digitally pin-programmable

N/A

INA849

Ultra-low-noise (1nV/√Hz), high-bandwidth instrumentation amplifier

G = 1 + 6kΩ / RG

2, 3

INA851

Low-noise (3.2nV/√Hz), high-speed (22MHz), fully-differential

instrumentation amp with overvoltage protection (±40V)

G = 1 + 6kΩ / RG

2, 3

PGA280

20mV to ±10V programmable gain instrumentation amplifier with 3V or

5V differential output; analog supply up to ±18V

Digitally programmable with SPI

N/A

PGA281

Zero-drift, high-voltage programmable gain amplifier

Digitally pin-programmable

N/A

PGA849

SBOSAG3 – MARCH 2024

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