E2A0032-16-X0
¡ Semiconductor
MSA4709A
¡ Semiconductor
Subscriber Line Interface Circuit
This version:
MSA4709A
Jan. 1998
Previous version: Nov. 1996
GENERAL DESCRIPTION
The MSA4709A is designed to provide BSH functions and to meet PABX transmission performance
requirements.
This device provides two-wire to four-wire conversion function (Hybrid).
FEATURES
• B (Battery feed), S (Supervision), and H (Hybrid) functions integrated on chip.
• Design to meet Central Office and PABX quality transmission requirements.
• All transmission performance parameters can be externally programmable.
• Free from parasitic SCR's using dielectric isolation technology.
• Size and weight reduction over conventional approaches.
• Supply voltage selectable (V
BB
= –24 V/–48 V).
• 1 channel built-in relay driver.
• Package:
30-pin plastic Shrink DIP (SDIP30-P-400-1.78) (Product name: MSA4709ASS)
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OKI [ OKI ELECTRONIC COMPONETS ]
