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OPA2197 Datasheet Preview

OPA2197 Datasheet

Operational Amplifiers

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OPA197, OPA2197, OPA4197
SBOS737C – JANUARY 2016 – REVISED MARCH 2018
OPAx197 36-V, Precision, Rail-to-Rail Input/Output, Low Offset Voltage,
Operational Amplifiers
1 Features
1 Low Offset Voltage: ±100 µV (Maximum)
• Low Offset Voltage Drift: ±2.5 µV/°C (Maximum)
• Low Noise: 5.5 nV/Hz at 1 kHz
• High Common-Mode Rejection: 120 dB
(Minimum)
• Low Bias Current: ±5 pA (Typical)
• Rail-to-Rail Input and Output
• Wide Bandwidth: 10-MHz GBW
• High Slew Rate: 20 V/µs
• Low Quiescent Current: 1 mA per Amplifier
(Typical)
• Wide Supply: ±2.25 V to ±18 V, +4.5 V to +36 V
• EMI- and RFI-Filtered Inputs
• Differential Input Voltage Range to Supply Rail
• High Capacitive Load Drive Capability: 1 nF
• Industry Standard Packages:
– Single in SOIC-8, SOT-5, and VSSOP-8
– Dual in SOIC-8 and VSSOP-8
– Quad in SOIC-14 and TSSOP-14
2 Applications
• Multiplexed Data-Acquisition Systems
• Test and Measurement Equipment
• High-Resolution ADC Driver Amplifiers
• SAR ADC Reference Buffers
• Programmable Logic Controllers
• High-Side and Low-Side Current Sensing
• High Precision Comparators
3 Description
The OPAx197 family (OPA197, OPA2197, and
OPA4197) is a new generation of 36-V operational
amplifiers.
These devices offer outstanding dc precision and ac
performance, including rail-to-rail input/output, low
offset (±25 µV, typical), low offset drift (±0.25 µV/°C,
typ), and 10-MHz bandwidth.
Unique features such as differential input-voltage
range to the supply rail, high output current (±65 mA),
high capacitive load drive of up to 1 nF, and high
slew rate (20 V/µs) make the OPA197 a robust, high-
performance operational amplifier for high-voltage,
industrial applications.
The OPA197 family of op amps is available in
standard packages and is specified from –40°C to
+125°C.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
SOIC (8)
4.90 mm × 3.90 mm
OPA197
SOT (5)
2.90 mm × 1.60 mm
VSSOP (8)
3.00 mm × 3.00 mm
OPA2197
SOIC (8)
VSSOP (8)
4.90 mm × 3.90 mm
3.00 mm × 3.00 mm
OPA4197
SOIC (14)
TSSOP (14)
8.65 mm x 3.90 mm
5.00 mm x 4.40 mm
(1) For all available packages, see the package option addendum
at the end of the data sheet.
Analog Inputs
Bridge Sensor
Thermocouple
Current Sensing
OPA197 in a High-Voltage, Multiplexed, Data-Acquisition System
4:2
HV MUX
OPA197
+
+
OPA197
Gain
Gain
Gain
OPA197
+
REF3140
RC Filter
OPA625
Reference Driver
RC Filter
Antialiasing
Filter
VIN REF
P
ADS8864
VIN
M
Optical Sensor
1
High-Voltage Multiplexed Input
High-Voltage Level Translation
VCM
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.




etcTI

OPA2197 Datasheet Preview

OPA2197 Datasheet

Operational Amplifiers

No Preview Available !

OPA197, OPA2197, OPA4197
SBOS737C – JANUARY 2016 – REVISED MARCH 2018
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......................................................... 5
6.1 Absolute Maximum Ratings ..................................... 5
6.2 ESD Ratings.............................................................. 5
6.3 Recommended Operating Conditions....................... 5
6.4 Thermal Information: OPA197 .................................. 6
6.5 Thermal Information: OPA2197 ................................ 6
6.6 Thermal Information: OPA4197 ................................ 6
6.7 Electrical Characteristics: VS = ±4 V to ±18 V (VS = 8
V to 36 V) ................................................................... 7
6.8 Electrical Characteristics: VS = ±2.25 V to ±4 V (VS =
4.5 V to 8 V)............................................................... 9
6.9 Typical Characteristics ............................................ 11
7 Detailed Description ............................................ 19
7.1 Overview ................................................................. 19
7.2 Functional Block Diagram ....................................... 19
7.3 Feature Description................................................. 20
7.4 Device Functional Modes........................................ 26
8 Application and Implementation ........................ 27
8.1 Application Information............................................ 27
8.2 Typical Applications ................................................ 27
9 Power Supply Recommendations...................... 30
10 Layout................................................................... 31
10.1 Layout Guidelines ................................................. 31
10.2 Layout Example .................................................... 31
11 Device and Documentation Support ................. 32
11.1 Device Support...................................................... 32
11.2 Documentation Support ........................................ 32
11.3 Related Links ........................................................ 32
11.4 Receiving Notification of Documentation Updates 33
11.5 Community Resources.......................................... 33
11.6 Trademarks ........................................................... 33
11.7 Electrostatic Discharge Caution ............................ 33
11.8 Glossary ................................................................ 33
12 Mechanical, Packaging, and Orderable
Information ........................................................... 33
4 Revision History
Changes from Revision B (October 2016) to Revision C
Page
• Changed "Low Offset Voltage: ±250 µV (Maximum)" to "Low Offset Voltage: ±100 µV (Maximum)" ................................... 1
• Changed Electrical Characteristics: VS = ±4 V to ±18 V (VS = 8 V to 36 V) Input offset voltage VS = ±18 V under
OFFSET VOLTAGE from "±250" to "±100"; remove "TA = 0°C to 85°C" and "TA = –40°C to +125°C" rows from same ...... 7
• Changed Electrical Characteristics: VS = ±4 V to ±18 V (VS = 8 V to 36 V) Input offset voltage VCM = (V+) – 1.5 V
under OFFSET VOLTAGE from "±250" to "±100"; remove "TA = 0°C to 85°C" and "TA = –40°C to +125°C" rows
from same............................................................................................................................................................................... 7
• Changed Electrical Characteristics: VS = ±2.25 V to ±4 V (VS = 4.5 V to 8 V) Input offset voltage VS = ±2.25 V, VCM
= (V+) – 3 V under OFFSET VOLTAGE from "±250" to "±100"; remove "TA = 0°C to 85°C" and "TA = –40°C to
+125°C" rows from same........................................................................................................................................................ 9
• Changed Electrical Characteristics: VS = ±4 V to ±18 V (VS = 8 V to 36 V) Input offset voltage VS = ±3 V, VCM =
(V+) – 1.5 V under OFFSET VOLTAGE from "±250" to "±100"; remove "TA = 0°C to 85°C" and "TA = –40°C to
+125°C" rows from same........................................................................................................................................................ 9
• Changed "0" on Frequency (Hz) axis to "0.1" ..................................................................................................................... 11
• Changed "....to achieve a very low offset voltage of 250 µV (max)..." to "...to achieve a very low offset voltage of 100
µV (maximum)..." ................................................................................................................................................................. 19
Changes from Revision A (July 2016) to Revision B
Page
• Added new row for PW package to Input bias current parameter ......................................................................................... 7
• Added new row for PW package to Input offset current parameter ...................................................................................... 7
• Added new footnote (1) to Open-loop gain parameter........................................................................................................... 7
• Changed Slew rate parameter from 20 V/µs : to 14 V/µs .................................................................................................... 10
Changes from Original (January 2016) to Revision A
Page
• Added OPA2197 and OPA4197 CDM values to ESD Ratings table...................................................................................... 5
2 Submit Documentation Feedback
Copyright © 2016–2018, Texas Instruments Incorporated
Product Folder Links: OPA197 OPA2197 OPA4197


Part Number OPA2197
Description Operational Amplifiers
Maker etcTI
Total Page 30 Pages
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