MH88612BV-2 Zarlink Semiconductor, MH88612BV-2 Datasheet
MH88612BV-2
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MH88612BV-2 Summary of contents
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... Drive Circuit CD SEMICMF.019 Subscriber Line Interface Circuit (SLIC) DS5752 MH88612BV-2 Description The SLIC provides a complete interface between a switching system and a subscriber loop. Functions provided include battery feed and ringing feed to the subscriber line, 2-Wire to 4-Wire hybrid interfacing, constant current feed and dial pulse detection. The device is fabricated using thick film hybrid technology in a 20-pin single in-line package ...
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MH88612B Pin Description Pin # Name 1 TF Tip Feed. Connects to external diode for protection 2 LPGND Loop Ground. Is the system ground reference with respect to V AGND Voice Receive (input) is the 4 wire analog ...
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Data Sheet Functional Description The SLIC performs a transformerless 2-wire to 4-wire conversion of the analog signal. The 2-wire circuit is the balanced line going to the subscriber loop, while the 4-wire circuit is the audio signal going to and ...
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MH88612B Current Limit The Tip or Ring of the telephone line may accidentally be shorted to ground. In such a case, current will only flow through the feed resistor. This high current will be sensed and reduced by the current ...
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Data Sheet R1 K1 VBAT VRMS - D2 48V + TIP Protection Circuit RING +5V C2 Components List R1 200 10%, 1/4W R2 470k 5%, 1/4W R3, R4 10k 5%, 1/4W C1 1.0 f, 10%, 25V electrolytic ...
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MH88612B Absolute Maximum Ratings* Parameter 1 DC Supply Voltage LPGND = AGND 2 Storage Temperature 3 Package Power Dissipation * Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied. Recommended Operating Conditions Characteristics 1 ...
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Data Sheet DC Electrical Characteristics Characteristics 1 Supply Current 2 Power Consumption 3 Constant Current Line Feed 4 Adjustable Loop Current Range 5 Operating Loop Resistance 6 Ring Ground Over-Current protection 7 Off-Hook Detect Output Low Voltage (On-hook) Output High ...
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MH88612B AC Electrical Characteristics Characteristics 1 Ringing Voltage (rms) 2 Ringer Equivalence Number 3 Ring Trip Detect time 4 Input AC Impedance 2-wire 5 Input Impedance Output Impedance Gain 2-wire to Vx Gain ...
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Data Sheet 0.08 Max 0.12 Max (2.03 Max) (3.05 Max) 0.6 Max (15.24 Max) * 0.010 + 0.002 0.05 + 0.02 (0.25 + 0.05) (1.25 + 0.51) SEMICMF.019 2.120 Max (53.85 Max) 0.020 + 0.005 (0.5 + 0.13) Notes: * ...
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