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ML33111

LANSDALE Semiconductor
Part Number ML33111
Manufacturer LANSDALE Semiconductor
Description Low Voltage Compander Silicon Monolithic Integrated Circuit
Published Sep 3, 2010
Detailed Description ML33111 www.DataSheet4U.com Low Voltage Compander Silicon Monolithic Integrated Circuit Legacy Device: Motorola MC331...
Datasheet PDF File ML33111 PDF File

ML33111
ML33111

Overview
ML33111 www.
DataSheet4U.
com Low Voltage Compander Silicon Monolithic Integrated Circuit Legacy Device: Motorola MC33111 The ML33111 contains two variable gain circuits configured for compressing and expanding the dynamic range of an audio signal.
One circuit is configured as an expander, and the other is configured as a compressor.
Each circuit has a full wave rectifier to provide average value information to a variable gain cell located in either the input stage or the feedback path.
An internal temperature stable bandgap reference provides the necessary precision voltages.
Included in the ML33111 are controls for muting each section independently, and for pass through of both.
Two uncommitted op amps are available for peripheral functions.
The ML33111 will operate from a supply voltage of 3.
0 V to 7.
0 V , and over a temperature range of TA –40° to +85°C.
It is designed to accommodate a 60 dB dynamic range; from –40 dB to +20 dB referenced to 100 mVrms.
Applications include cordless telephone, CBs, walkie-talkies, and most voice RF links, and any application where an improvement in the signal to noise ratio is desired.
Other applications include speakerphones and voice activated intercoms, dictating machines, etc.
• • • • • • • • • • Operating Supply Voltage: 3.
0 V to 7.
0 V Output Voltage Swing = 2.
8 Vp-p with VCC = 3.
0 V No Precision External Components Required 60 dB Dynamic Range Compressed to 30 dB, Re-expandable to 60 dB Unity Gain Level set at 100 mVrms Attack and Decay Times Adjustable Mute and passthrough Controls Two Uncommitted Op Amps Temperature Compensated Reference Available in Standard DIP and Surface Mount Packages 16 1 P DIP 16 = EP PLASTIC PACKAGE CASE 648 16 1 SO 16 = -5P PLASTIC PACKAGE CASE 751B (SO-16) CROSS REFERENCE/ORDERING INFORMATION PACKAGE MOTOROLA LANSDALE P DIP 16 MC33111P ML33111EP SO 16 MC33111D ML33111-5P Note: Lansdale lead free (Pb) product, as it becomes available, will be identified by a part number prefix change from M...


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