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MT8971B

Features: • Full duplex transmission over a single twisted pair• Selectable 80 or 160 kbit/s line rate• Adaptive echo cancellation• Up to 3km (8971B) and 4 km (8972B)• ISDN compatible (2B+D) data format• Transparent modem capability• Frame synchronization...

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SeekIC No. : 004430115 Detail

MT8971B: Features: • Full duplex transmission over a single twisted pair• Selectable 80 or 160 kbit/s line rate• Adaptive echo cancellation• Up to 3km (8971B) and 4 km (8972B)•...

MT8971B Data Sheet

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Part Number:
MT8971B
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: 2024/11/26

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Product Details

Description



Features:

• Full duplex transmission over a single twisted
   pair
• Selectable 80 or 160 kbit/s line rate
• Adaptive echo cancellation
• Up to 3km (8971B) and 4 km (8972B)
• ISDN compatible (2B+D) data format
• Transparent modem capability
• Frame synchronization and clock extraction
• MITEL ST-BUS compatible
• Low power (typically 50 mW), single 5V supply


Application

• Digital subscriber lines
• High speed data transmission over twisted
   wires
• Digital PABX line cards and telephone sets
• 80 or 160 kbit/s single chip modem


Pinout

Connection Diagram


Specifications

 
Parameter
Symbol
Min
Max
Units
1 Supply Voltage VDD -0.3 7 V
2 Voltage on any pin (other than supply) VMax -0.3 VDD+0.3 V
3 Current on any pin (other than supply) IMax   40 mA
4 Storage Temperature TST -65 +150 °C
5 Package Power Dissipation (Derate 16mW/°C above 75°C) PDiss   750 mW

 

* Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied.




Description

The  MT8971B (DSIC) and MT8972B (DNIC) are multi-function devices capable of providing high speed,   full duplex digital  transmission up to 160
kbit/s over a twisted wire pair.  MT8971B use adaptive echo-cancelling techniques and transfer data in (2B+D) format compatible to the ISDN basic rate. Several modes of operation allow an easy interface to digital telecommunication networks including use as a high speed limited distance modem with data rates up to 160 kbit/s.  MT8971B function identically but with the DSIC having a shorter maximum loop reach specification.  The generic
"DNIC" will be used to reference both devices unless otherwise noted.

The MT8971B/72B is fabricated in Mitel's ISO2-CMOS process.




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