SBOS618I
December 2013 – May 2018
OPA172
,
OPA2172
,
OPA4172
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
JFET-Input Low-Noise Amplifier
Superior THD Performance
4
Revision History
5
Device Comparison
5.1
Device Comparison
5.2
Device Family Comparison
6
Pin Configuration and Functions
Pin Functions: OPA172
Pin Functions: OPA2172 and OPA4172
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information: OPA172
7.5
Thermal Information: OPA2172
7.6
Thermal Information: OPA4172
7.7
Electrical Characteristics
7.8
Typical Characteristics: Table of Graphs
7.9
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
EMI Rejection
8.3.2
Phase-Reversal Protection
8.3.3
Capacitive Load and Stability
8.4
Device Functional Modes
8.4.1
Common-Mode Voltage Range
8.4.2
Electrical Overstress
8.4.3
Overload Recovery
9
Applications and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
Capacitive Load Drive Solution Using an Isolation Resistor
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.3
Application Curve
9.2.2
Bidirectional Current Source
9.2.3
JFET-Input Low-Noise Amplifier
10
Power-Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Device Support
12.1.1
Development Support
12.1.1.1
TINA-TI (Free Software Download)
12.2
Documentation Support
12.2.1
Related Documentation
12.3
Related Links
12.4
Community Resources
12.5
Trademarks
12.6
Electrostatic Discharge Caution
12.7
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
D|8
MSOI002K
DCK|5
MPDS025J
DBV|5
MPDS018T
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbos618i_oa
sbos618i_pm
1
Features
Wide Supply Range:
+4.5 V to +36 V, ±2.25 V to ±18 V
Low Offset Voltage: ±0.2 mV
Low Offset Drift: ±0.3 µV/°C
Gain Bandwidth: 10 MHz
Low Input Bias Current: ±8 pA
Low Quiescent Current: 1.6 mA per Amplifier
Low Noise: 7 nV/√
Hz
EMI and RFI Filtered Inputs
Input Range Includes the Negative Supply
Input Range Operates to Positive Supply
Rail-to-Rail Output
High Common-Mode Rejection: 120 dB
Industry-Standard Packages:
SOIC-8, VSSOP-8, SOIC-14, TSSOP-14
micro
Packages: Single in SC70, SOT-23,
Dual in WSON-8