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LPV531

Texas Instruments
Part Number LPV531
Manufacturer Texas Instruments
Description Rail-to-Rail Output Operational Amplifier
Published Oct 21, 2019
Detailed Description LPV531 www.ti.com SNOSAK5B – MARCH 2006 – REVISED MARCH 2013 LPV531 Programmable Micropower CMOS Input, Rail-to-Rail ...
Datasheet PDF File LPV531 PDF File

LPV531
LPV531

Overview
LPV531 www.
ti.
com SNOSAK5B – MARCH 2006 – REVISED MARCH 2013 LPV531 Programmable Micropower CMOS Input, Rail-to-Rail Output Operational Amplifier Check for Samples: LPV531 FEATURES 1 •2 (Typical 5V Supply, unless otherwise Noted.
) • Supply Voltage 2.
7V to 5.
5V • Dynamic Power Mode Setting • Continuously Programmable Supply Current – Range 5 μA to 425 μA • Continuously Programmable Bandwidth – Range 73 kHz to 4.
6 MHz • Input Common Mode Voltage Range −0.
3V to 3.
8V • CMRR 95 dB • Rail-to-Rail Output Voltage Swing • Input Offset Voltage 1 mV APPLICATIONS • AC Coupled Circuits • Portable Instrumentation • Active Filters Typical Application C1 R1 VIN R2 R3 +V R4 - + ISEL REXT C2 VOUT DESCRIPTION The LPV531 is an extremely versatile operational amplifier.
A single external resistor gives the system designer the ability to define the quiescent current, gain bandwidth product and output short circuit current.
This innovative feature gives the system designer a method to dynamically switch the power level to optimize the performance of the op amp and meet the system design requirements.
The LPV531 can be tailored to a wide variety of applications.
It offers the system designer the ability to dynamically trade off supply current for bandwidth by adjusting the current drawn from the ISEL pin using a DAC or switching in different value resistors in series with the ISEL pin.
The LPV531 is capable of operating from 73 kHz, consuming only 5 μA, to as fast as 4.
6 MHz, consuming only 425 μA.
The input offset voltage is relatively independent and therefore is not significantly affected by the chosen power level.
Utilizing a CMOS input stage, the LPV531 achieves an input bias current of 50 fA and a common mode input voltage which extends from the negative rail to within 1.
2V of the positive supply.
The LPV531's railto-rail class AB output stage enables this op amp to offer maximum dynamic range at low supply voltage.
Offered in the space saving 6-pin SOT package, the LPV531...


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