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LM7705 - Low-Noise Negative Bias Generator

Description

The LM7705 device is a switched capacitor voltage inverter with a low noise,

0.23 V fixed negative voltage regulator.

This device is designed to be used with low voltage amplifiers to enable the amplifiers output to swing to zero volts.

0.23 V is used to supply the negative sup

Features

  • 1 Regulated Output Voltage.
  • 0.232 V.
  • Output Voltage Tolerance 5%.
  • Output Voltage Ripple 4 mVPP.
  • Supply Voltage 3 V to 5.25 V.
  • Conversion Efficiency Up to 98%.
  • Quiescent Current 78 µA.
  • Shutdown Current 20 nA.
  • Turnon Time 500 µs.
  • Operating Temperature Range.
  • 40°C to 125°C.
  • 8-Pin VSSOP Package 2.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Product Folder Order Now Technical Documents Tools & Software Support & Community LM7705 SNVS420D – NOVEMBER 2008 – REVISED MAY 2018 LM7705 Low-Noise Negative Bias Generator 1 Features •1 Regulated Output Voltage −0.232 V • Output Voltage Tolerance 5% • Output Voltage Ripple 4 mVPP • Supply Voltage 3 V to 5.25 V • Conversion Efficiency Up to 98% • Quiescent Current 78 µA • Shutdown Current 20 nA • Turnon Time 500 µs • Operating Temperature Range −40°C to 125°C • 8-Pin VSSOP Package 2 Applications • True Zero Amplifier Outputs • Portable Instrumentation • Low-Voltage Split-Power Supplies 3 Description The LM7705 device is a switched capacitor voltage inverter with a low noise, −0.23 V fixed negative voltage regulator.
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