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 earpiece amplifier Built-in ear protection DTMF and MUTE input Adjustable sidetone suppression indepe...

product image

U4037B-N Picture
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...

floor Price/Ceiling Price

Part Number:
U4037B-N
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

SeekIC Buyer Protection PLUS - newly updated for 2013!

  • Escrow Protection.
  • Guaranteed refunds.
  • Secure payments.
  • Learn more >>

Month Sales

268 Transactions

Rating

evaluate  (4.8 stars)

Upload time: 2024/11/21

Payment Methods

All payment methods are secure and covered by SeekIC Buyer Protection PLUS.

Notice: When you place an order, your payment is made to SeekIC and not to your seller. SeekIC only pays the seller after confirming you have received your order. We will also never share your payment details with your seller.
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

IL

140

mA

DC line voltage

VL

12

V

Maximum input current

IRING

15

mA

Junction temperature

Tj

125

°C

Ambient temperature

Tamb

25 to +75

°C

Storage temperature

Tstg

55 to +150

°C

Total power dissipation, Tamb = 60°C

Ptot

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.




Customers Who Bought This Item Also Bought

Margin,quality,low-cost products with low minimum orders. Secure your online payments with SeekIC Buyer Protection.
Hardware, Fasteners, Accessories
Audio Products
Optoelectronics
Line Protection, Backups
Isolators
View more