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LPV531

National Semiconductor
Part Number LPV531
Manufacturer National Semiconductor
Description Rail-to-Rail Output Operational Amplifier
Published Nov 6, 2006
Detailed Description www.DataSheet4U.com LPV531 Programmable Micropower CMOS Input, Rail-to-Rail Output Operational Amplifier May 2006 LPV...
Datasheet PDF File LPV531 PDF File

LPV531
LPV531

Overview
www.
DataSheet4U.
com LPV531 Programmable Micropower CMOS Input, Rail-to-Rail Output Operational Amplifier May 2006 LPV531 Programmable Micropower CMOS Input, Rail-to-Rail Output Operational Amplifier General 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 rail-to-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 TSOT23 package, the LPV531 is ideal for use in handheld electronics and portable applications.
The LPV531 is manufactured using National’s advanced VIP50 process.
A fixed supply current/gain bandwidth is available upon request.
Features (Typical 5V supply, unless otherwise noted.
) n Supply voltage 2.
7V to 5.
5V n Dynamic power mode setting n Continuously programmable supply current — Range 5 µA to 425 µA n Continuously programmable bandwidth — Range 73 kHz to 4.
6 MHz n Input common mode voltage range −0.
3V...


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