OPA2171-EP Amplifiers Datasheet

OPA2171-EP Datasheet PDF, Equivalent


Part Number

OPA2171-EP

Description

General-Purpose Operational Amplifiers

Manufacture

etcTI

Total Page 28 Pages
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OPA2171-EP
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OPA2171-EP
SBOS735 – SEPTEMBER 2015
OPA2171-EP 36-V, Single-Supply, SOT553, General-Purpose Operational Amplifiers
1 Features
1 Supply Range: 2.7 to 36 V, ±1.35 V to ±18 V
• Low Noise: 14 nV/Hz
• Low Offset Drift: ±0.3 µV/°C (Typ)
• RFI Filtered Inputs
• Input Range Includes the Negative Supply
• Input Range Operates to Positive Supply
• Rail-to-Rail Output
• Gain Bandwidth: 3 MHz
• Low Quiescent Current: 475 µA per Amplifier
• High Common-Mode Rejection: 120 dB (Typ)
• Low-Input Bias Current: 8 pA
microPackage: Dual in VSSOP-8
Supports Defense, Aerospace, and Medical
Applications:
– Controlled Baseline
– One Assembly/Test Site
– One Fabrication Site
– Available in Extended (–55°C to 125°C)
Temperature Range
– Extended Product Life Cycle
– Extended Product-Change Notification
– Product Traceability
Unity-Gain Buffer With RISO Stability
Compensation
+VS
RISO
VOUT
2 Applications
• Tracking Amplifier in Power Modules
• Merchant Power Supplies
• Transducer Amplifiers
• Bridge Amplifiers
• Temperature Measurements
• Strain Gauge Amplifiers
• Precision Integrators
• Battery-Powered Instruments
• Test Equipment
3 Description
The OPA2171-EP is a 36-V, single-supply, low-noise
operational amplifier with the ability to operate on
supplies ranging from 2.7 V (±1.35 V) to 36 V (±18
V). These devices are available in micro-packages
and offer low offset, drift, and bandwidth with low
quiescent current. The single, dual, and quad
versions all have identical specifications for maximum
design flexibility.
Unlike most operational amplifiers, which are
specified at only one supply voltage, the OPA2171-
EP is specified from 2.7 to 36 V. Input signals beyond
the supply rails do not cause phase reversal. The
OPA2171-EP is stable with capacitive loads up to
300 pF. The input can operate 100 mV below the
negative rail and within 2 V of the top rail during
normal operation. Note that these devices can
operate with full rail-to-rail input 100 mV beyond the
top rail, but with reduced performance within 2 V of
the top rail.
The OPA2171-EP operational amplifier is specified
from –55°C to 125°C.
+
VIN ±
-VS
CLOAD
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
OPA2171-EP
VSSOP (8)
2.30 mm × 2.00 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.

OPA2171-EP
OPA2171-EP
SBOS735 – SEPTEMBER 2015
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 ESD Ratings.............................................................. 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 4
6.5 Electrical Characteristics........................................... 5
6.6 Typical Characteristics .............................................. 7
7 Detailed Description ............................................ 14
7.1 Overview ................................................................. 14
7.2 Functional Block Diagram ....................................... 14
7.3 Feature Description................................................. 14
7.4 Device Functional Modes........................................ 15
8 Application and Implementation ........................ 16
8.1 Application Information............................................ 16
8.2 Typical Application ................................................. 17
9 Power Supply Recommendations...................... 19
10 Layout................................................................... 20
10.1 Layout Guidelines ................................................ 20
10.2 Layout Example .................................................... 20
11 Device and Documentation Support ................. 21
11.1 Community Resources.......................................... 21
11.2 Trademarks ........................................................... 21
11.3 Electrostatic Discharge Caution ............................ 21
11.4 Glossary ................................................................ 21
12 Mechanical, Packaging, and Orderable
Information ........................................................... 21
4 Revision History
DATE
September 2015
REVISION
*
NOTES
Initial release.
2 Submit Documentation Feedback
Product Folder Links: OPA2171-EP
Copyright © 2015, Texas Instruments Incorporated


Features Product Folder Sample & Buy Technical Documents Tools & Software Support & Community OPA2171-EP SBOS735 – SEPTE MBER 2015 OPA2171-EP 36-V, Single-Suppl y, SOT553, General-Purpose Operational Amplifiers 1 Features •1 Supply Rang e: 2.7 to 36 V, ±1.35 V to ±18 V • Low Noise: 14 nV/√Hz • Low Offset D rift: ±0.3 µV/°C (Typ) • RFI Filte red Inputs • Input Range Includes the Negative Supply • Input Range Operat es to Positive Supply • Rail-to-Rail Output • Gain Bandwidth: 3 MHz • Lo w Quiescent Current: 475 µA per Amplif ier • High Common-Mode Rejection: 120 dB (Typ) • Low-Input Bias Current: 8 pA • microPackage: Dual in VSSOP-8 Supports Defense, Aerospace, and Med ical Applications: – Controlled Basel ine – One Assembly/Test Site – One Fabrication Site – Available in Exten ded (–55°C to 125°C) Temperature Ra nge – Extended Product Life Cycle – Extended Product-Change Notification Product Traceability Unity-Gain Buffer With RISO Stability Compensation +VS RISO VOUT 2 Applications • Trackin.
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