U4037B-N Selling Leads, Price trend, U4037B-N DataSheet download, circuit diagram from SeekIC.com

Features: DC characteristic adjustable Receive gain adjustable Symmetrical input of microphone amplifier Anti-clipping in transmit direction Automatic line-loss compensation Symmetrical output of earpiece amplifier Built-in ear protection DTMF and MUTE input Adjustable sidetone suppression indepe...

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SeekIC No. : 004534843 Detail

U4037B-N: Features: DC characteristic adjustable Receive gain adjustable Symmetrical input of microphone amplifier Anti-clipping in transmit direction Automatic line-loss compensation Symmetrical output of e...

U4037B-N Data Sheet

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Part Number:: U4037B-N
Supply Ability:: 5000

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1~5000

Unit Price
Negotiable

Processing time
15 Days

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Upload time: 2024/4/27

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Product Details

Description

Features:

DC characteristic adjustable
Receive gain adjustable
Symmetrical input of microphone amplifier
Anti-clipping in transmit direction
Automatic line-loss compensation
Symmetrical output of earpiece amplifier
Built-in ear protection
DTMF and MUTE input
Adjustable sidetone suppression independentof sending and receiving amplification
Power down
Tone-ringer interface
2-bit D/A for volume control
Supply voltages for all functional blocks of asubscriber set
Operation possible from 8-mA line currents

Application

Telephone sets

Pinout

Connection Diagram

Specifications

Parameter	Symbol	Value	Unit
Line current	I_L	140	mA
DC line voltage	V_L	12	V
Maximum input current	I_RING	15	mA
Junction temperature	T_j	125	°C
Ambient temperature	T_amb	25 to +75	°C
Storage temperature	T_stg	55 to +150	°C
Total power dissipation, Tamb = 60°C	P_tot	520	W

Description

The µC-controlled telephone circuit U4037B-N is a lin-ear integrated circuit for use in telephone sets. It containsthe speech circuit, tone-ringer interface, sidetone equiva-lent and ear-protection rectifiers. The U4037B-N is linepowered and contains all components necessary foramplification of signals and adaptation to the line.

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