SBOS673D
September 2017 – December 2018
OPA2837
,
OPA837
PRODUCTION DATA.
1
Features
2
Applications
Low-Power, Low-Noise, Precision, Single-Ended SAR ADC Driver With True Ground Input and Output Range
3
Description
Device Images
4
Revision History
5
Pin Configuration and Functions
Pin Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information: OPA837
6.5
Thermal Information: OPA2837
6.6
Electrical Characteristics: VS = 5 V
6.7
Electrical Characteristics: VS = 3 V
6.8
Typical Characteristics: VS = 5.0 V
6.9
Typical Characteristics: VS = 3.0 V
6.10
Typical Characteristics: ±2.5-V to ±1.5-V Split Supply
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagrams
7.3
Feature Description
7.3.1
OPA837 Comparison
7.3.2
Input Common-Mode Voltage Range
7.3.3
Output Voltage Range
7.3.4
Power-Down Operation
7.3.5
Low-Power Applications and the Effects of Resistor Values on Bandwidth
7.3.6
Driving Capacitive Loads
7.4
Device Functional Modes
7.4.1
Split-Supply Operation (±1.35 V to ±2.7 V)
7.4.2
Single-Supply Operation (2.7 V to 5.4 V)
8
Application and Implementation
8.1
Application Information
8.1.1
Noninverting Amplifier
8.1.2
Inverting Amplifier
8.1.3
Output DC Error Calculations
8.1.4
Output Noise Calculations
8.1.5
Instrumentation Amplifier
8.1.6
Attenuators
8.1.7
Differential to Single-Ended Amplifier
8.1.8
Differential-to-Differential Amplifier
8.1.9
Pulse Application With Single-Supply Circuit
8.1.10
ADC Driver Performance
8.2
Typical Applications
8.2.1
Active Filters
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curves
8.2.2
Implementing a 2:1 Active Multiplexer
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.2.3
1-Bit PGA Operation
8.2.3.1
Design Requirements
8.2.3.2
Detailed Design Procedure
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Documentation Support
11.1.1
Related Documentation
11.2
Related Links
11.3
Receiving Notification of Documentation Updates
11.4
Community Resources
11.5
Trademarks
11.6
Electrostatic Discharge Caution
11.7
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DCK|5
MPDS025J
DBV|6
MPDS026Q
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbos673d_oa
sbos673d_pm
10.2
Layout Example
Figure 89.
EVM Layout Example