GR581 Datasheet - Gennum Corporation

GR581 Adaptive Highpass Filter

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. The internal rectifier senses the long term average signal level and controls the filter response b.

GR581 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

* p

GR581 Datasheet (104.55 KB)

GR581 Datasheet Preview — Preview of GR581 PDF

Datasheet Details

Part number:

GR581

Manufacturer:

Gennum Corporation

File Size:

104.55 KB

Description:

Adaptive highpass filter.

📁 Related 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)

TAGS

GR581 Adaptive Highpass Filter Gennum Corporation

GR581 Distributor