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MH88511 Datasheet(PDF) 1 Page - Mitel Networks Corporation |
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MH88511 Datasheet(HTML) 1 Page - Mitel Networks Corporation |
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1 / 10 page  2-53 ® Features • High Gain version MH88511 • Compatible with popular MH88500 • Operates with a wide range of battery voltages • Constant current battery feed • Dry line compatible • Overvoltage and short circuit protection • Ringing Feed • Off-hook detection and LED indicator drive • Dial pulse detection • Ring trip filter with auto ring trip • Relay driver • Transformerless 2-2 wire conversion • Low power consumption • Mute of incoming audio • Few external components Applications • Line Interface for: • PABX • Intercoms • Key Systems Description The Mitel MH88510/11 Subscriber Line Interface Circuit provides a complete interface between the telephone line and a speech switch requiring only single bidirectional switch per crosspoint. The functions provided by the MH88510/11 include bidirectional differential to single ended conversion in the speech path, line battery feed, ringing feed and loop and dial pulse detection. The device is fabricated as a thick film hybrid which incorporates various technologies for optimum circuit board and very high reliability. TF TIP RING RF VBAT AGND VDD VEE SHK LED RRC RRD VRLY RGND MUTE JUNC Tip Drive Current & Voltage Sensing Ring Short Protection 2-2 Wire Hybrid Constant Current/Voltage Control Ring Trip Filter Line Supervision Relay Driver ISSUE 1 April 1995 Ordering Information MH88510 20 Pin SIL Package MH88511 20 Pin SIL Package 0 °C to 70°C Figure 1 - Functional Block Diagram MH88510/11 Subscriber Line Interface Circuit (SLIC) Preliminary Information |
Similar Part No. - MH88511 |
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Similar Description - MH88511 |
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