(China (Mainland))
Product Summary
The PBL38610/1R1 is abSubscriber Line Interface Circuit (SLIC) is a 90 V bipolar integrated circuit for use in PBX, Terminal adapters and other telecommunications equipment. The PBL38610/1R1 has been optimized for low total line interface cost and a high degree of flexibility in different applications. The PBL38610/1R1 emulates a transformer equivalent dc-feed, programmable between 2x25Ω and 2x900Ω, with short loop current limiting adjustable to max 65mA.
Parametrics
PBL38610/1R1 maximum ratings: (1) Storage temperature range Tstg: -55 to +150°C; (2) Operating temperature range TAmb: -40 to +110°C; (3) Operating junction temperature range, TJ: -40 to +140°C; (4) Power supply, 0°C ≤TAmb≤+70°Cz: Vcc with respect to AGND Vcc: -0.4 to 6.5V, VEE with respect to AGND, VEE: VBat, 0.4V, VBat with respect to BGND, continuous, VBat: -75 to 0.4V; (5) Continuous power dissipation at TAmb≤70°C, PD: 1.5W; (6) Voltage between AGND and BGND VG: -5 , VCC; (7) Ring relay current: 75mA.
Features
PBL38610/1R1 features: (1) Selectable overhead voltage principle; (2) High and low battery with automatic switching; (3) Battery supply as low as -10V; (4) Only +5V in addition to GND; (5) 35mW on-hook power dissipation in active state; (6) 44V open loop voltage @ -48 V battery feed; (7) Full longitudinal current capability during on-hook; (8) Integrated Ring Relay Driver.
Diagrams
