SBOS973A
June 2019 – September 2019
OPA2834
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
1-kHz FFT Plot (VOUT = 1 VRMS, RL = 100 kΩ, G = 1)
Low-Side, Current-Shunt Monitoring
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
Pin Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics: 3V to 5V
7.6
Typical Characteristics: Vs = 5 V
7.7
Typical Characteristics: VS = 3.0 V
7.8
Typical Characteristics: ±2.5-V to ±1.5-V Split Supply
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagrams
8.3
Feature Description
8.3.1
Input Common-Mode Voltage Range
8.3.2
Output Voltage Range
8.3.3
Low-Power Applications and the Effects of Resistor Values on Bandwidth
8.3.4
Driving Capacitive Loads
8.4
Device Functional Modes
8.4.1
Split-Supply Operation (±1.35 V to ±2.7 V)
8.4.2
Single-Supply Operation (2.7 V to 5.4 V)
9
Application and Implementation
9.1
Application Information
9.1.1
Noninverting Amplifier
9.1.2
Inverting Amplifier
9.2
Typical Applications
9.2.1
Low-Side Current Sensing
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.2
Field Transmitter Sensor Interface
9.2.3
Ultrasonic Flow Meters
9.2.4
Microphone Pre-Amplifier
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Examples
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Related Documentation
12.2
Receiving Notification of Documentation Updates
12.3
Community Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DGK|8
MPDS028E
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbos973a_oa
sbos973a_pm
2
Applications
Current sensing in power supplies
Low-power signal conditioning
Battery-powered applications
Portable voice recorders
Low-power SAR and ΔΣ ADC driver
Portable devices