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LPV531

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Single, 5-V, 4.6-MHz, RRO operational amplifier

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LPV531

ACTIVE
Data sheet Order now

Product details

Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.7 Rail-to-rail In to V-, Out GBW (typ) (MHz) 4.6 Slew rate (typ) (V/µs) 2.5 Vos (offset voltage at 25°C) (max) (mV) 4.5 Iq per channel (typ) (mA) 0.425 Vn at 1 kHz (typ) (nV√Hz) 25 Rating Catalog Operating temperature range (°C) -40 to 85 Offset drift (typ) (µV/°C) 0.1 Features Shutdown Input bias current (max) (pA) 10 CMRR (typ) (dB) 95 Iout (typ) (A) 0.015 Architecture CMOS Input common mode headroom (to negative supply) (typ) (V) -0.3 Input common mode headroom (to positive supply) (typ) (V) -1.2 Output swing headroom (to negative supply) (typ) (V) 0.095 Output swing headroom (to positive supply) (typ) (V) -0.03
Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.7 Rail-to-rail In to V-, Out GBW (typ) (MHz) 4.6 Slew rate (typ) (V/µs) 2.5 Vos (offset voltage at 25°C) (max) (mV) 4.5 Iq per channel (typ) (mA) 0.425 Vn at 1 kHz (typ) (nV√Hz) 25 Rating Catalog Operating temperature range (°C) -40 to 85 Offset drift (typ) (µV/°C) 0.1 Features Shutdown Input bias current (max) (pA) 10 CMRR (typ) (dB) 95 Iout (typ) (A) 0.015 Architecture CMOS Input common mode headroom (to negative supply) (typ) (V) -0.3 Input common mode headroom (to positive supply) (typ) (V) -1.2 Output swing headroom (to negative supply) (typ) (V) 0.095 Output swing headroom (to positive supply) (typ) (V) -0.03
SOT-23-THN (DDC) 6 8.12 mm² (2.9 mm × 2.8 mm)
  • (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

All trademarks are the property of their respective owners.

  • (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

All trademarks are the property of their respective owners.

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 SOT package, the LPV531 is ideal for use in handheld electronics and portable applications. The LPV531 is manufactured using TI’s advanced VIP50 process.

A fixed supply current/gain bandwidth is available upon request.

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 SOT package, the LPV531 is ideal for use in handheld electronics and portable applications. The LPV531 is manufactured using TI’s advanced VIP50 process.

A fixed supply current/gain bandwidth is available upon request.
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Top documentation Type Title Format options Date
* Data sheet LPV531 Programmable Micropower CMOS Input, Rail-to-Rail Output Op Amp datasheet (Rev. B) Mar 19, 2013
E-book The Signal e-book: A compendium of blog posts on op amp design topics PDF | HTML Mar 28, 2017
Application note AN-1684 Saving Power in an AC-Coupled Amplifier Circuit (Rev. A) Apr 26, 2013
White paper A Voltage-Controlled Filter Jun 1, 2006

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