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KA8501A

Features: · Adjusts sending and receiving attenuation length· Regulated voltage for dialer· Linear interface for DTMF· Suitable for ceramic transducers· Mute functionPinoutSpecifications Parameter Symbol Value Unit Line Voltage (3msec max) VL 22 V Forward Line C...

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SeekIC No. : 004383829 Detail

KA8501A: Features: · Adjusts sending and receiving attenuation length· Regulated voltage for dialer· Linear interface for DTMF· Suitable for ceramic transducers· Mute functionPinoutSpecifications Parame...

KA8501A Data Sheet

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Part Number:
KA8501A
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:

· Adjusts sending and receiving attenuation length
· Regulated voltage for dialer
· Linear interface for DTMF
· Suitable for ceramic transducers
· Mute function


Pinout

Connection Diagram


Specifications

Parameter
Symbol
Value
Unit
Line Voltage (3msec max)
VL
22
V
Forward Line Current
ILF
150
mA
Reverse Line Current
ILR
-150
mA
Power Dissipation (Ta = 70°C)
PD
1
W
Operating temperature
TOPR
- 45 ~ + 70
°C
Storage temperature
TSTG
-65 ~ +150
°C



Description

The KA8501A is a telephone speech network integrated circuit which includes transmit amp, receive amp, DTMF amp, voltage regulator, line equalizer, voltage comparator. It handles the voice signal, performing the 2/4 wires interface and changing the gain on both sending and receiving amplifiers to compensate the line current. The KA8501A can work in fixed gain mode.




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