SBOS381E
February 2007 – January 2018
INA270
,
INA271
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Simplified Schematic
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
7.6
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Basic Connection
8.3.2
Selecting RS
8.3.3
Transient Protection
8.4
Device Functional Modes
8.4.1
First- or Second-Order Filtering
8.4.2
Accuracy Variations as a Result of VSENSE and Common-Mode Voltage
8.4.2.1
Normal Case 1: VSENSE ≥ 20 mV, VCM ≥ VS
8.4.2.2
Normal Case 2: VSENSE ≥ 20 mV, VCM < VS
8.4.2.3
Low VSENSE Case 1: VSENSE < 20 mV, –16 V ≤ VCM < 0; and Low VSENSE Case 3: VSENSE < 20 mV, VS < VCM ≤ 80 V
8.4.2.4
Low VSENSE Case 2: VSENSE < 20 mV, 0 V ≤ VCM ≤ VS
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.3
Application Curves
10
Power Supply Recommendations
10.1
Shutdown
11
Layout
11.1
Layout Guidelines
11.1.1
RFI and EMI
11.2
Layout Example
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Related Documentation
12.2
Related Links
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)
D|8
MSOI002K
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbos381e_oa
sbos381e_pm
1
Features
Wide Common-Mode Range: –16 V to +80 V
CMRR: 120 dB
Accuracy:
±0.5-mV Offset (typ)
±0.2% Gain Error (typ)
2.5 μV/°C Offset Drift (typ)
50 ppm/°C Gain Drift (max)
Bandwidth: Up to 130 kHz
Two Gain Options Available:
14 V/V (INA270)
20 V/V (INA271)
Quiescent Current: 700 μA (typ)
Power Supply: +2.7 V to +18 V
Provision for Filtering