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U4091BM-N

Features: • Speech Circuit with Anti-clipping• Tone-ringer Interface with DC/DC Converter• Speaker Amplifier with Anti-distortion• Power-supply Management (Regulated, Unregulated) and a Special Supply for ElectretMicrophone• Voice Switch• Interface for Answering...

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SeekIC No. : 004534863 Detail

U4091BM-N: Features: • Speech Circuit with Anti-clipping• Tone-ringer Interface with DC/DC Converter• Speaker Amplifier with Anti-distortion• Power-supply Management (Regulated, Unregul...

U4091BM-N Data Sheet

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Part Number:
U4091BM-N
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

• Speech Circuit with Anti-clipping
• Tone-ringer Interface with DC/DC Converter
• Speaker Amplifier with Anti-distortion
• Power-supply Management (Regulated, Unregulated) and a Special Supply for ElectretMicrophone
• Voice Switch
• Interface for Answering Machine and Cordless Phone


Application

• Feature Phone
• Answering Machine
• Fax Machine
• Speaker Phone
• Cordless Phone


Pinout

Connection Diagram


Specifications

Parameters
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
0.9
W



Description

The programmable telephone audio processor U4091BM-N is a linear integrated circuit for use in feature phones, answering machines and fax machines. U4091BM-N contains the speech circuit, tone-ringer interface with DC/DC converter, sidetone equivalent and ear-protection rectifiers. The circuit is line-powered and contains all components necessary for signal amplification and adaptation to the line. The U4091BM-N can also be supplied via an external power supply. An integrated voice switch with loudspeaker amplifier enables hands-free or loudhearing operation. With an anti-feedback function, acoustic feedback during loudhearing can be reduced significantly. The generated supply voltage is suitable for a wide range of peripheral circuits.




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