SBOS918A
March 2018 – January 2021
OPA197-Q1
,
OPA2197-Q1
,
OPA4197-Q1
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
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: OPA197-Q1
6.5
Thermal Information: OPA2197-Q1
6.6
Thermal Information: OPA4197-Q1
6.7
Electrical Characteristics: VS = ±4 V to ±18 V (VS = 8 V to 36 V)
6.8
Electrical Characteristics: VS = ±2.25 V to ±4 V (VS = 4.5 V to 8 V)
6.9
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Input Protection Circuitry
7.3.2
EMI Rejection
7.3.3
Phase Reversal Protection
7.3.4
Thermal Protection
7.3.5
Capacitive Load and Stability
7.3.6
Common-Mode Voltage Range
7.3.7
Electrical Overstress
7.3.8
Overload Recovery
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
16-Bit Precision Multiplexed Data-Acquisition System
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curve
8.2.2
Slew-Rate Limit for Input Protection
8.2.3
Precision Reference Buffer
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Examples
11
Device and Documentation Support
11.1
Device Support
11.1.1
Development Support
11.1.1.1
TINA-TI™ Simulation Software (Free Download)
11.1.1.2
TI Precision Designs
11.2
Documentation Support
11.2.1
Related Documentation
11.3
Receiving Notification of Documentation Updates
11.4
Support Resources
11.5
Trademarks
11.6
Electrostatic Discharge Caution
11.7
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DGK|8
MPDS028E
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbos918a_oa
sbos918a_pm
1
Features
AEC-Q100 qualified for automotive applications:
Temperature grade 1: –40°C to +125°C, T
A
Low offset voltage: ±250 µV (maximum)
Low offset voltage drift: ±0.2 µV/°C
Low noise: 5.5 nV/√
Hz
at 1 kHz
High common-mode rejection: 140 dB
Low bias current: ±5 pA
Rail-to-rail input and output
Wide bandwidth: 10 MHz GBW
High slew rate: 20 V/µs
Low quiescent current: 1 mA per amplifier
Wide supply: ±2.25 V to ±18 V, 4.5 V to 36 V
EMI/RFI filtered inputs
Differential input-voltage range to supply rail
High capacitive load drive capability: 1 nF
Industry-standard packages:
Single and dual channel in very-small, 8-pin VSSOP
Quad channel in 14-pin TSSOP
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