PBL38640-2 Overview
The PBL 386 40/2 Subscriber Line Interface Circuit (SLIC) is a 90 V bipolar integrated circuit for use in Digital Loop Carrier, FITL and other telemunications equipment. The PBL 386 40/2 has been optimized for low total line interface cost and a high degree of flexibility in different applications. The PBL 386 40/2 emulates resistive loop feed, programmable between 2x50 Ω and 2x900 Ω, with short loop current...
PBL38640-2 Key Features
- 24-pin SSOP package
- High and low battery with automatic switching
- 65 mW on-hook power dissipation in active state
- On-hook transmission
- Long loop battery feed tracks Vbat for maximum line voltage
- Only +5 V feed in addition to battery
- Selectable transmit gain (1x or 0.5x)
- No power-up sequence
- Programmable signal headroom
- 43V open loop voltage @ -48V battery feed