SBOS401C July   2007  – April 2016 INA270A-Q1 , INA271A-Q1

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Output Voltage Range
    4. 8.4 Device Functional Modes
      1. 8.4.1 First- or Second-Order Filtering
  9. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Basic Connection
      2. 9.1.2 Selecting RS
      3. 9.1.3 Accuracy Variations as a Result of VSENSE and Common-Mode Voltage
        1. 9.1.3.1 Normal Case 1: VSENSE ≥ 20 mV, VCM ≥ VS
        2. 9.1.3.2 Low VSENSE Case 1: VSENSE < 20 mV, -16 V ≤ VCM < 0; and Low VSENSE Case 3: VSENSE < 20 mV, VS < VCM ≤ 80 V
        3. 9.1.3.3 Low VSENSE Case 2: VSENSE < 20 mV, 0 V ≤ VCM ≤ VS
      4. 9.1.4 Transient Protection
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
    1. 10.1 Shutdown
  11. 11Layout
    1. 11.1 Layout Guidelines
      1. 11.1.1 RFI and EMI
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Related Links
    2. 12.2 Community Resources
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6 Pin Configuration and Functions

D Package
8-Pin SOIC
Top View
1. NC – No internal connection

Pin Functions

PIN TYPE(1) DESCRIPTION
NAME NO.
BUF IN 4 AI Buffer Input. Connect to output of filter from PRE OUT
GND 2 A Ground
IN– 1 AI Negative input. Connect to load side of shunt resistor.
IN+ 8 AI Positive input. Connect to supply side of shunt resistor.
NC 7 — Not internally connected. Connect to ground.
PRE OUT 3 AO Pre Amplifier Output. Connect to input of filter to BUF IN.
OUT 5 AO Output
VS 6 AI Power supply, 2.7 V to 18 V
(1) A = Analog, AI = Analog input, AO = Analog output