MH88617

MH88617 Programmable SLIC with Ringing Amplification Advance Information Features Fully programmable line impedance,network balance impedance and gains Programmable loop current with long loop capability 2-4 Wire conversion Power down and wake up Battery feed to line with wide operating range Off-hook and dial pulse detection Over-current protection Integral ringing amplifier with auto ring trip Tip/Ring reversal Meter pulse injection On-hook transmission to the line capability Relay driver Short loop ringing capability with low voltage DC supply DS5037 ISSUE 4 May 1999 Ordering Information MH88617AV-PI 21PIN SIL Package MH88617AD-PI 28PIN DIL Package MH88617AS-PI 28PIN SM Package MH88617AT-PI 21PIN 90 ° L/F Package -40°C to 85°C Description The Mitel MH88617 is a highly featured, low cost Subscriber Line Interface Circuit (SLIC). It provides a total analog transmission and signalling link between a CODEC and a subscriber line. All functions are integrated into a single thick film hybrid module, which provides high reliability and optimum circuit design needing a minimum of external components. The line impedance, network balance impedance, gain and loop current are all externally programmable, making the device suitable for a wide range of applications worldwide. Applications Line interface for: PABX/Key Telephone System Analog Terminal Adaptors Pair Gain System Fibre in the Loop/Wireless Local Loop VBAT VCC VEE GND LCA LR Power Manage...