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PBL3717M, PBL3718, PBL3722

Table of contents:
Info of PBL3717M
Info of PBL3718
Info of PBL3722

PBL3717M, PBL3718, PBL3722 Selling Leads, Datasheet

MFG:ST Package Cooled:TR15 D/C:88+

PBL3717M, PBL3718, PBL3722 Datasheet download

Five Points

Part Number: PBL3717M

MFG: ST

Package Cooled: TR15

D/C: 88+

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PBL3718 General Description

PBL3718 is a standard version of the PBL3726 family of mask-programmable,monolothic intergrated speech circuits for use in electronic telephones.It is designed for use with a low impedance microphone,transmitting and receving gain is regulated with line length.Different regulation for various various current feeds can be set by external resistors. Typical current feeds as 48 V 2 X 200 ohm, 48 V 2 X 400 ohm and 36 V 2 X 500 ohm can be handled.Application dependent parameters such as line balance,side tone level, amplication and frenquency response are set by external components.

It has many unique features: The first one is minimum number of inexpensive external components,5 capacitors and 11 resistors. The second one is mute function for parallel operation with DTMF-generator. The third one is transmit and receive gain regulation for automatic loop loss compensation. The forth one is extended current range is 5 mA to 130 mA and voltage down to 2 V.The fifth one is balanced receiver output stage. The sixth one is the receiver otuput drive capability is adjustbale,etc. There are some maximum ratings about it. Line voltage is 0 V min and 22 V max.line current(continous) is 0 mA min and 130 mA max. Operating temperature range is -40 min and +70 max.Storage temperature is -55 min and +125 max.

Well, this is a simple introduction to this type of product, if you want to know more about it, please pay more attention to our web. Thanks for your attention!

PBL3718 Maximum Ratings

PBL3718 Features

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