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L6726

Unisonic Technologies
Part Number L6726
Manufacturer Unisonic Technologies
Description UNIVERSAL SPEECH CIRCUIT
Published May 1, 2011
Detailed Description UNISONIC TECHNOLOGIES CO., LTD L6726 LINEAR INTEGRATED CIRCUIT UNIVERSAL SPEECH CIRCUIT  DESCRIPTION The UTC L6726 ...
Datasheet PDF File L6726 PDF File

L6726
L6726

Overview
UNISONIC TECHNOLOGIES CO.
, LTD L6726 LINEAR INTEGRATED CIRCUIT UNIVERSAL SPEECH CIRCUIT  DESCRIPTION The UTC L6726 is a mask-programmable, monolithic integrated speech circuits for using in electronic telephones.
It is designed for using with a low impedance microphone.
Transmitting and receiving gain are regulated with line length.
Different regulation for various current feeds can be set by external resistors.
Typical current feeds as 48V 2·200Ω, 48V, 2·400Ω, and 36V, 2·500Ω, can be handled.
Application dependent parameters such as line balance, side tone level, amplification and frequency response are set by external components.
Parameters are set independently which means easy adaptation for various market needs.
The UTC L6726 is developed for using with CMOS-type dialer ICs.
A separate DTMF input is switched when the circuit is muted, and an adjustable DC supply is provided for feeding an external CMOS device.
 FEATURES *Minimum number of inexpensive external components, 5...


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