GR581 - Adaptive Highpass Filter

Product Overview

Gennum Corporation

Datasheet Details

Part number	GR581
Manufacturer	Gennum Corporation
File Size	104.55 KB
Description	Adaptive Highpass Filter
Datasheet	GR581 Datasheet
Additional preview pages of the GR581 datasheet.

Product details

Description

The GR581 is a level-sensitive, adaptive highpass filter comprised of a current controlled highpass filter, a half- wave rectifier, a voltage regulator for microphone bias and a separate preamplifier.

Features

unity gain 12 dB/oct. highpass Butterworth filter.
adaptive frequency range from 200 Hz to 2 kHz.
rectifier threshold set to 82 dBSPL (adjustable).
low noise, typically 2.6 µV.
300 µA typical current drain.
operates from 1.1 to 3 VDC.
preamplifier with 56 dB open loop gain.

📁 Similar Datasheet

GR5101 - Battery Protection IC (grenergy)
GR5300 - Monitor and Timing Management (grenergy)
GR5300AA - Monitor and Timing Management (grenergy)
GR5300DA - Monitor and Timing Management (grenergy)
GR5301 - Monitor and Timing Management (grenergy)
GR5301AA - Monitor and Timing Management (grenergy)
GR5301AS - Monitor and Timing Management (grenergy)
GR5301AT - Monitor and Timing Management (grenergy)

Other Datasheets by Gennum Corporation

Published: Apr 2, 2011 |