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INA296x –5V to 110V, Bidirectional, 1.1MHz, 8V/μs, Ultra-Precise Current Sense Amplifier
SBOSA04D
March 2022 – December 2024
INA296A
,
INA296B
PRODUCTION DATA
CONTENTS
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INA296x –5V to 110V, Bidirectional, 1.1MHz, 8V/μs, Ultra-Precise Current Sense Amplifier
1
1
Features
2
Applications
3
Description
4
Device Comparison
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Amplifier Input Common-Mode Signal
7.3.1.1
Input-Signal Bandwidth
7.3.1.2
Low Input Bias Current
7.3.1.3
Low VSENSE Operation
7.3.1.4
Wide Fixed Gain Output
7.3.1.5
Wide Supply Range
7.4
Device Functional Modes
7.4.1
Adjusting the Output With the Reference Pins
7.4.2
Reference Pin Connections for Unidirectional Current Measurements
7.4.2.1
Ground Referenced Output
7.4.2.2
VS Referenced Output
7.4.3
Reference Pin Connections for Bidirectional Current Measurements
7.4.3.1
Output Set to External Reference Voltage
7.4.3.2
Output Set to Mid-Supply Voltage
7.4.3.3
Output Set to Mid-External Reference
7.4.3.4
Output Set Using Resistor Divider
7.4.4
High Signal Throughput
8
Application and Implementation
8.1
Application Information
8.1.1
RSENSE and Device Gain Selection
8.2
Typical Application
8.2.1
Current Sensing in a Solenoid Application
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curve
8.3
Power Supply Recommendations
8.3.1
Power Supply Decoupling
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Examples
9
Device and Documentation Support
9.1
Documentation Support
9.1.1
Related Documentation
9.2
Receiving Notification of Documentation Updates
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
D|8
MSOI002K
DGK|8
MPDS028E
DDF|8
MPDS569D
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbosa04d_oa
sbosa04d_pm
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Data Sheet
INA296x
–5V to 110V, Bidirectional,
1.1MHz, 8V/μs,
Ultra-Precise Current Sense Amplifier
1
Features
Wide common-mode voltage:
Operational voltage: −5V to 110V
Survival voltage: −20V to 120V
Bidirectional operation
High small signal bandwidth: 1.1MHz (at all gains)
Slew rate: 8V/µs
Step response settling time to 1%: 1µs
Excellent CMRR
: 166dB
Accuracy:
Gain error (maximum)
Version A: ±0.01%, ±1ppm/°C drift
Version B: ±0.1%, ±5ppm/°C drift
Offset voltage (maximum)
Version A: ±10µV, ±0.1µV/°C drift
Version B: ±150µV, ±0.5µV/°C drift
Available gains:
INA296A1, INA296B1 : 10V/V
INA296A2, INA296B2 : 20V/V
INA296A3, INA296B3 : 50V/V
INA296A4, INA296B4 : 100V/V
INA296A5, INA296B5 : 200V/V
Package options: SOT23-8, VSSOP-8, SOIC-8,
2
Applications
48V DC/DC Converter
48V battery management systems (BMS)
Test & Measurement
Macro remote radio unit (RRU)
48V rack server
48V merchant network & server power supply (PSU)