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UTCL6726

Features: ·Minimum number of inexpensive external components, 5 capacitors and 11 resistors.·Mute function for operation with DTMF-generator.·Transmit and receive gain regulation for automatic loop loss compensation.·Extended current and voltage range 5~130mA,down to 2V.·Differential microphone in...

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UTCL6726: Features: ·Minimum number of inexpensive external components, 5 capacitors and 11 resistors.·Mute function for operation with DTMF-generator.·Transmit and receive gain regulation for automatic loop ...

UTCL6726 Data Sheet

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Part Number:
UTCL6726
Supply Ability:
5000

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  • 1~5000
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  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

·Minimum number of inexpensive external components, 5 capacitors and 11 resistors.
·Mute function for operation with DTMF-generator.
·Transmit and receive gain regulation for automatic loop loss compensation.
·Extended current and voltage range 5~130mA,down to 2V.
·Differential microphone input for good balance to ground.
·Balanced receiver output stage.
·Short start-up time.
·Stabilized DC-supply for low current CMOS dialers and/or electret microphones.
·DTMF-input controlled by mute.


Pinout

Connection Diagram


Specifications

PARAMETER SYMBOL RATINGS UNIT
Line voltage, tp=2s VL 0~22 V
Line current, continuous IL 0~130 mA
Ambient Operating temperature Ta -40~+70
Storage temperature Tstg -55~+125



Description

The UTCL6726 is a mask-programmable, monolithic integrated speech circuits for using in electronic telephones.

UTCL6726 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 of UTCL6726 feeds as 48V,2 ` 200, 48V,2 ` 400,and 36V,2`500, 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 UTCL6726 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.




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