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S5T8557B

Features: • Complete CODEC and filtering system• Meets or exceeds AT&T D3/D4 and CCITT specifications m-Law: S5T8554B, A-Law: S5T8557B• On-chip auto zero, sample and hold, and precision voltage references• Low power dissipation: 60mW (operating), 3mW (standby)• ± ...

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SeekIC No. : 004482715 Detail

S5T8557B: Features: • Complete CODEC and filtering system• Meets or exceeds AT&T D3/D4 and CCITT specifications m-Law: S5T8554B, A-Law: S5T8557B• On-chip auto zero, sample and hold, and ...

S5T8557B Data Sheet

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Part Number:
S5T8557B
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: 2024/11/18

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Product Details

Description



Features:

• Complete CODEC and filtering system
• Meets or exceeds AT&T D3/D4 and CCITT specifications m-Law: S5T8554B, A-Law: S5T8557B
• On-chip auto zero, sample and hold, and precision voltage references
• Low power dissipation: 60mW (operating), 3mW (standby)
• ± 5V operation
• TTL or CMOS compatible
• Automatic power down


Pinout

Connection Diagram


Specifications

Characteristic
Symbol
Value
Unit
Positive Supply Voltage
VCC
-7
V
Negative Supply Voltage
VBB
-7
V
Voltage at Any Analog Input or Output
VI (A)
VCC + 0.3 ~ VBB - 0.3
V
Voltage at Any Digital Input or Output
VI (D)
VCC + 0.3 ~ GNDA - 0.3
V
Operating Temperature Range
Ta
-25 ~ +125
Storage Temperature Range
TSTG
-65 ~ +150
Lead Temperature (Soldering, 10 secs)
TLEAD
300



Description

The S5T8557B are single-chip PCM encoders and decoders (PCM CODECs) and PCM line filters. These devices provide all the functions required to interface a full-duplex voice telephone circuit with a time-division-multiplex (TDM) system.

These S5T8557B are designed to perform the transmit encoding and receive decoding as well as the transmit and receive filtering functions in PCM system. They are intended to be used at the analog termination of a PCM line or trunk.

These S5T8557B provide the bandpass filtering of the analog signals prior to encoding and after decoding. These combination devices perform the encoding and decoding of voice and call progress tones as well as the signalling and supervision information.




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