GH580 DATA SHEET FEATURES adjustable corner frequency dB/oct Butt

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GH580 DATA SHEET FEATURES adjustable corner frequency dB/oct Butt

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Adjustable Analog Highpass Filter
GH580 DATA SHEET
FEATURES adjustable corner frequency dB/oct Butterworth filter current drain (175 typical) chip capacitors noise distortion operation DESCRIPTION GH580 single, second order dB/Oct) continuous high pass filter with adjustable corner frequency from kHz. Adjustment accomplished with single potentiometer connected from ground. bias circuitry operated from chip voltage regulator providing good supply rejection down integrated capacitors have parasitic diodes connected parallel. This necessitates that voltage greater that less than that pins greater than approximately GH580 dynamic range approximately
STANDARD PACKAGING PLID® Chip mils)
VREG
CONTROL
RCNT
BLOCK DIAGRAM
Revision Date: January 2001
Document
GENNUM CORPORATION P.O. 489, Stn. Burlington, Ontario, Canada tel. (905) 632-2996 Site: www.gennum.com E-mail: hipinfo@gennum.com
ABSOLUTE MAXIMUM RATINGS
PARAMETER Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range VALUE/UNITS -10°C +40° -20°C +70°
CONNECTION
RCNT
CAUTION CLASS SENSITIVITY
ELECTRICAL CHARACTERISTICS
Conditions: Frequency kHz, Temperature 25°C, 1.3V
PARAMETER Amplifier Current Bias Voltage (Pin Bias Voltage (Pin Insertion Loss Output Noise
SYMBOL IAMP ILOSS ONOISE
CONDITIONS
UNITS
closed, mVRMS closed, mVRMS 12dB/oct
Distortion Supply Rejection (Pin Corner Frequency
PSRR
closed, mVRMS Note Note RCNT 10.27k
1300
1650
1900
parameters switches remain shown Test Circuit unless otherwise stated "Conditions" column Notes: modulated with 1kHz
1000 (ILOSS
/0.04))/12
VB=1.3VDC IAMP
VREG
1kHz
resistors ohms, capacitors farads unless otherwise stated
CONTROL
RL=10K
1.8K RCNT 100K
Fig. Test Circuit
1.8K
resistors ohms, capacitors farads unless otherwise stated
Fig. Functional Schematic
RMIC
VREG
3075
CONTROL
GK504
100K
GH580
RCNT 100K
GK504
100K
RMPO
resistors ohms, capacitors farads unless otherwise stated
Fig. Typical Hearing Instrument Application
RELATIVE OUTPUT (dB)
FREQUENCY (Hz)
INPUT (mVRMS)
Fig.
Frequency Response Various RCNT Values
Fig. Total Harmonic Distortion Input Level
CORNER FREQUENCY (Hz)
CURRENT DRAIN (µA)
100k
CONTROL RESISTANCE
CORNER FREQUENCY (Hz)
Fig. Corner Frequency Control Resistance
Fig. Current Drain Corner Frequency
GENNUM CORPORATION
MAILING ADDRESS: P.O. 489, Stn. Burlington, Ontario, Canada Tel. (905) 632-2996 (905) 632-2814 SHIPPING ADDRESS: Fraser Drive, Burlington, Ontario, Canada
DOCUMENT IDENTIFICATION: DATA SHEET product production. Gennum reserves right make changes time improve reliability, function design, order provide best product possible. REVISION NOTES:
Changes standard packaging information
GENNUM JAPAN CORPORATION
C-101, Miyamae Village, 2-10-42 Miyamae, Suginami-ku, Tokyo 168-0081, Japan Tel. 3334-7700 Fax: 3247-8839
Gennum Corporation assumes responsibility circuits described herein makes representations that they free from patent infringement. Copyright November 1991 Gennum Corporation. rights reserved.
Printed Canada.

GH580 DATA SHEET FEATURES adjustable corner frequency dB/oct Butt

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