PBL38620/2QNS中文资料Subscriber Line Interface Circuit数据手册Ericsson规格书

描述 Description

The PBL 386 20/2 Subscriber Line Interface Circuit (SLIC) is a 90 V bipolar integrated circuit for use in PBX,Terminal adapters and other telecommunications equipment. The PBL 386 20/2 has been optimized for low total line interface cost and a high degree of flexibility in different applications.Key

特性 Features

• 24-pin SSOP package
• 60 mW on-hook power dissipation in active state
• Long loop battery feed tracks Vbat for maximum line voltage
• Selectable transmit gain (1x or 0.5x)
• 44V open loop voltage @ -48V battery feed
• Analog over temperature protection permits transmission while the protection circuit is active
• Ground key detector
• Programmable signal headroom