MT91600 Mitel Networks Corporation, MT91600 Datasheet
MT91600
Related parts for MT91600
MT91600 Summary of contents
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... Controller IC DS5057 MT91600 Description The Mitel MT91600 provides an interface between a switching system and a subscriber loop, mainly for short loop SLIC applications. The functions provided by the MT91600 include battery feed, programmable constant current conversion, off-hook and dial pulse detection, user definable line and network balance impedance’ ...
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... MT91600 Pin Description Pin # Name 1 VDD Positive supply rail, +5V Tip Drive (Output). Controls the Tip transistor Tip Feed. Connects to the Tip transistor and to the TIP lead via the Tip feed resistor. 4 TIP Tip. Connects to the TIP lead of the telephone line. ...
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... VEE Negative supply rail, -5V. Functional Description The MT91600 is the analog SLIC for use Wire switched system. The SLIC performs all of the normal interface functions between the CODEC or switching system and the analog telephone line such conversion, constant current feed, ...
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... In situations where an accidental short circuit occurs either across TIP/RING to GND or RING to GND, an excessive amount of current will flow through the ring drive transistor, Q3. Although the MT91600 will sense this high current and limit it, if the power rating not high enough, it may suffer permanent damage ...
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... Application The following Application section is intended to demonstrate to the user the methods used in calculating and selecting the external programming components in implementing the MT91600 as an analog line interface in a communication system. The programming component values calculated below results in the optimum performance of the device. ...
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... MT91600 Z = 600 , Z = 600 , R1=R2= 220 o NB Gain -1dB, Gain -1dB Step 1: Gain Setting (R12, R13, R14, R15) Gain Log [ R13 / R12 Log [R13 / R12] R12 = 112.2k , R13 = 100k . Gain Log [0.891 * [R14 / R15 Log [0.891 * [R14 / R15)] R14 = 100k , R15 = 100k ...
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... DCRP = 200 Pd(max) = 1.5W Vbat = -48V +/- 10% (i.e. -43V to -53V) Therefore: R23(max) = (43/30mA) - 100 - (2 * 220 + 325 + 200) = 1433.3 - 100 - 965 R23(max) = 368.3 R23(min) = (53/40mA) - (1.5/1.6mA) - 220 = 1325 - 937.5 - 220 R23(min) = 167.5 R23 = Square Root ( 368.3 * 167.5 ) R23 = 248.4 MT91600 7 ...
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... BAT=-48V Q3 C13 V BAT 8 C7 VEE VDD VDD VEE GND IC 24 SHK 25 RLYC 26 RLYD C4 6 VREF C12 2 TD R22 MT91600 TIP 5 RING 8 RF D3b C3A C3B C2B C10 Figure 5 - Typical application Preliminary Information C6 K1b ...
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... C10 C12 Diodes and Transistors D2a/b BAV99 dual diode or equivalent Q1 2N2222 or MPSA42 or MMBTA42 Q3 2N2222 or MPSA42 or MMBTA42 , and V to provide improved DD EE BAT RLY MT91600 Refer to 130k 75k 1k 560k 112k 100k 138k 75k 2k 1k 300nF, 5% 33nF, 20% 1uF, 20%, 16V 0F 100nF, 5% 33nF, 10% ...
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... MT91600 Absolute Maximum Ratings* Parameter 1 DC Supply Voltages 2 Ringing Voltages 3 Voltage setting for Loop Current 4 Overvoltage Tip/GND Ring/GND, Tip/Ring 5 Ringing Current 6 Ring Ground over-current 7 Storage Temp 8 Package Power Dissipation 9 ESD Rating * Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied. ...
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... BAT LOOP LOOP R 1200 LOOP 450 SHK 20 Vil 0.4 0.7 2.0 Vih Vol 0.4 2.7 Voh +4 +4 MT91600 Test Conditions Standby/Active -10.3V REF Test circuit as Fig -48V BAT 18mA LOOP V = -48V BAT I = 18mA LOOP V = -22V BAT -10.3V REF ...
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... MT91600 AC Electrical Characteristics Characteristics 1 Ring Trip Detect Time 2 Output Impedance Gain 4-2 @ 1kHz 4 Gain Relative to 1kHz 5 Transhybrid Loss 6 Gain 2-4 @ 1kHz 7 Gain Relative to 1kHz 8 Return Loss at 2-Wire 9 Total Harmonic Distortion 10 Common Mode Rejection 2 wire Longitudinal to Metallic Balance 12 Metallic to Longitudinal Balance 13 Idle Channel Noise ...
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... X S Figure 8 - 4-2 Wire Gain & Transhybrid Loss TIP I 6 Loop SLIC RING Figure 6 - Loop current programming 20 TIP 19 SLIC RING Figure 7 - 2-4 Wire Gain 19 TIP 22 21 SLIC RING MT91600 BAT R15 R16 R17 C11 R15 ~ ...
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... MT91600 Long. Bal. = 20*Log CMR = 20*Log Gain = 20*Log(2 TIP V SLIC 19 TR RING Figure 9 - Longitudinal Balance & CMR 20 17 TIP SLIC 16 15 RING Figure 10 - Return Loss Preliminary Information R15 ...
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Small Shrink Outline Package (SSOP Suffix Pin Notes: 1) Not to scale 2) Dimensions in inches 3) (Dimensions in millimeters) 4) Ref. JEDEC Standard M0-150/M0118 for 48 Pin 5) A ...
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North America Tel: +1 (770) 486 0194 Fax: +1 (770) 631 8213 Information relating to products and services furnished herein by Mitel Corporation or its subsidiaries (collectively “Mitel”) is believed to be reliable. However, Mitel assumes no liability for errors ...