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S1T8501

Features: • Adjusts sending and receiving attenuation length• Regulated voltage output for external dialer• Linear interface for DTMF• Suitable for ceramic transducers• Mute functionPinoutSpecifications Characteristic Symbol Value Unit Line Voltage ...

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SeekIC No. : 004481506 Detail

S1T8501: Features: • Adjusts sending and receiving attenuation length• Regulated voltage output for external dialer• Linear interface for DTMF• Suitable for ceramic transducers•...

S1T8501 Data Sheet

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Part Number:
S1T8501
Supply Ability:
5000

Price Break

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

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Upload time: 2025/12/26

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Product Details

Description



Features:

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


Pinout

Connection Diagram


Specifications

Characteristic
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)
Pd
1
W
Operating Temperature
TOPR
-45 ~ +70
Storage Temperature
TSTG
-65 ~ +150



Description

The S1T8501 is a speech network integrated circuit which includes the following components: transmit amp, receive amp, DTMF amp, voltage regulator, line equalizer, and 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 S1T8501 can work in fixed gain mode.




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