OPA2170 Amplifiers Datasheet

OPA2170 Datasheet PDF, Equivalent


Part Number

OPA2170

Description

Low-Power Operational Amplifiers

Manufacture

etcTI

Total Page 30 Pages
Datasheet
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OPA2170
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OPA170, OPA2170, OPA4170
SBOS557E – AUGUST 2011 – REVISED APRIL 2018
OPAx170 36-V, Single-Supply, SOT553, Low-Power Operational Amplifiers Value Line
Series
1 Features
1 Supply Range: 2.7 V to 36 V, ±1.35 V to ±18 V
• Low Noise: 19 nV/Hz
• RFI Filtered Inputs
• Input Range Includes the Negative Supply
• Input Range Operates to Positive Supply
• Rail-to-Rail Output
• Gain Bandwidth: 1.2 MHz
• Low Quiescent Current: 110 µA per Amplifier
• High Common-Mode Rejection: 120 dB
• Low Bias Current: 15 pA (Maximum)
• Industry-Standard Packages and micro Packages
Available
• Create a Custom Design Using the OPAx170 With
the WEBENCH® Power Designer
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 OPA170, OPA2170, and OPA4170 devices
(OPAx170) are a family of 36-V, single-supply, low-
noise operational amplifiers (op amps) that feature
micro packages with the ability to operate on supplies
ranging from 2.7 V (±1.35 V) to 36 V (±18 V). They
offer good offset, drift, and bandwidth with low
quiescent current. The single, dual, and quad
versions all have identical specifications for maximum
design flexibility.
Unlike most op amps, which are specified at only one
supply voltage, the OPAx170 family of op amps is
specified from 2.7 V to 36 V. Input signals beyond the
supply rails do not cause phase reversal. The
OPAx170 family 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 positive rail for
normal operation. Note that these devices can
operate with full rail-to-rail input 100 mV beyond the
positive rail, but with reduced performance within 2 V
of the positive rail. The OPAx170 op amps are
specified from –40°C to +125°C.
PART NUMBER
OPA170
OPA2170
OPA4170
Device Information(1)
PACKAGE
BODY SIZE (NOM)
SOIC (8)
4.90 mm × 3.91 mm
SOT (5)
1.60 mm × 1.20 mm
SOT-23 (5)
2.90 mm × 1.60 mm
SOIC (8)
4.90 mm × 3.91 mm
VSSOP (8)
3.00 mm × 3.00 mm
VSSOP (8), micro size
2.30 mm × 2.00 mm
WSON (8)
2.00 mm × 2.00 mm
SOIC (14)
8.65 mm × 3.91 mm
TSSOP (14)
5.00 mm × 4.40 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Smallest Packaging for 36-V Operational Amplifiers
Package Footprint Comparison (to Scale)
Package Height Comparison (to Scale)
D (SO-8)
DBV (SOT23-5) DRL (SOT553)
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.

OPA2170
OPA170, OPA2170, OPA4170
SBOS557E – AUGUST 2011 – REVISED APRIL 2018
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Device Comparison Table..................................... 3
6 Pin Configuration and Functions ......................... 4
7 Specifications......................................................... 7
7.1 Absolute Maximum Ratings ...................................... 7
7.2 ESD Ratings.............................................................. 7
7.3 Recommended Operating Conditions....................... 7
7.4 Thermal Information: OPA170 .................................. 8
7.5 Thermal Information: OPA2170 ................................ 8
7.6 Thermal Information: OPA4170 ................................ 8
7.7 Electrical Characteristics........................................... 9
7.8 Typical Characteristics ............................................ 11
8 Detailed Description ............................................ 18
8.1 Overview ................................................................. 18
8.2 Functional Block Diagram ...................................... 18
8.3 Feature Description................................................. 18
8.4 Device Functional Modes........................................ 22
9 Application and Implementation ........................ 23
9.1 Application Information............................................ 23
9.2 Typical Application .................................................. 23
10 Power Supply Recommendations ..................... 26
11 Layout................................................................... 26
11.1 Layout Guidelines ................................................. 26
11.2 Layout Example .................................................... 26
12 Device and Documentation Support ................. 28
12.1 Device Support...................................................... 28
12.2 Documentation Support ........................................ 29
12.3 Related Links ........................................................ 29
12.4 Receiving Notification of Documentation Updates 29
12.5 Community Resources.......................................... 29
12.6 Trademarks ........................................................... 30
12.7 Electrostatic Discharge Caution ............................ 30
12.8 Glossary ................................................................ 30
13 Mechanical, Packaging, and Orderable
Information ........................................................... 30
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision D (December 2017) to Revision E
Page
• Changed minimum supply voltage from –20 V to 0 V in Absolute Maximum Ratings table .................................................. 7
• Changed maximum supply voltage from 20 V to 40 V in Absolute Maximum Ratings table ................................................ 7
Changes from Revision C (March 2016) to Revision D
Page
• Added WEBENCH links and sections and Receiving Notification of Documentation Updates.............................................. 1
• Added 8-Pin DSG (WSON) package...................................................................................................................................... 1
• Changed values in Equivalent Internal ESD Circuitry Relative to a Typical Circuit Application from: 250 Ω to: 2.5 Ω........ 20
Changes from Revision B (September 2012) to Revision C
Page
• Added current package designators to Features list and final paragraph of Description section .......................................... 1
• Added Pin Functions table, ESD Ratings table, Recommended Operating Conditions table, Detailed Description
section, Application and Implementation section, Power Supply Recommendations section, Layout section, Device
and Documentation Support section, and Mechanical, Packaging, and Orderable Information section ............................... 1
Changes from Revision A (September 2011) to Revision B
Page
• Added "Value Line Series" to document title.......................................................................................................................... 1
2 Submit Documentation Feedback
Copyright © 2011–2018, Texas Instruments Incorporated
Product Folder Links: OPA170 OPA2170 OPA4170


Features Product Folder Order Now Technical Doc uments Tools & Software Support & Com munity OPA170, OPA2170, OPA4170 SBOS55 7E – AUGUST 2011 – REVISED APRIL 20 18 OPAx170 36-V, Single-Supply, SOT553, Low-Power Operational Amplifiers Value Line Series 1 Features •1 Supply Ra nge: 2.7 V to 36 V, ±1.35 V to ±18 V • Low Noise: 19 nV/√Hz • RFI Filt ered Inputs • Input Range Includes th e Negative Supply • Input Range Opera tes to Positive Supply • Rail-to-Rail Output • Gain Bandwidth: 1.2 MHz • Low Quiescent Current: 110 µA per Amp lifier • High Common-Mode Rejection: 120 dB • Low Bias Current: 15 pA (Max imum) • Industry-Standard Packages an d micro Packages Available • Create a Custom Design Using the OPAx170 With t he WEBENCH® Power Designer 2 Applicati ons • Tracking Amplifier in Power Mod ules • Merchant Power Supplies • Tr ansducer Amplifiers • Bridge Amplifie rs • Temperature Measurements • Str ain Gauge Amplifiers • Precision Integrators • Battery-Powered Instruments • Test Equipment 3 Description Th.
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