HC5517CM Intersil Corporation, HC5517CM Datasheet
HC5517CM
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HC5517CM Summary of contents
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... A thermal shutdown with an alarm output and line fault protection are also included for operation in harsh environments. Ordering Information PART TEMP. RANGE o NUMBER ( C) PACKAGE HC5517IM - PLCC HC5517CM PLCC HC5517IB - SOIC HC5517CB SOIC Block Diagram TIP FEED TIP SENSE 2-WIRE RING FEED ...
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... CC BAT Relay Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to +15V Operating Conditions Operating Temperature Range HC5517IM, HC5517IB . . . . . . . . . . . . . . . . . . . . . . -40 HC5517CM, HC5517CB . . . . . . . . . . . . . . . . . . . . . . 0 Relay Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5V to +12V Positive Power Supply ( + Negative Power Supply ( .-16V to -80V BAT CAUTION: Stresses above those listed in “ ...
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Electrical Specifications Unless Otherwise Specified, Typical Parameters are at T Operating Temperature Range 600 2-Wire terminating impedance. PARAMETER Frequency Response Level Linearity 2-Wire to 4-Wire and 4-Wire to 2-Wire Absolute Delay 2-Wire/4-Wire 4-Wire/2-Wire 4-Wire/4-Wire Transhybrid Loss Total Harmonic ...
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Electrical Specifications Unless Otherwise Specified, Typical Parameters are at T Operating Temperature Range 600 2-Wire terminating impedance. PARAMETER Dial Pulse Distortion (Note 3) Uncommitted Relay Driver On Voltage V OL Off Leakage Current TTL/CMOS Logic Inputs (F0, F1, ...
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Functional Diagram TIP SENSE R 4.5K 100K 100K 15 RING SENSE 1 100K 100K 16 RING SENSE 2 4.5K 90K 90K 108k Over ...
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Circuit Operation and Design Information The HC5517 is a voltage feed current sense Subscriber Line Interface Circuit (SLIC). This means that for long loop appli- cations the SLIC provides a constant voltage to the tip and ring terminals while sensing ...
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AC Voltage Gain Design Equations The HC5517 uses feedback to synthesize the impedance at the 2-wire tip and ring terminals. This feedback network defines the AC voltage gains for the SLIC. The 4-wire to 2-wire voltage gain (V RX feedback ...
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----------------------------- - ------- + ------------ - TIP ...
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Therefore to match the HC5517, with R 600 load 400 9 S and – 600 – 200 = 400 prevent loading of the ...
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– – – CC D13 --------------------------------------------------------------------------------------------------- - where: V forward drop 0.63V. D13 ...
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SLIC. The signals are Battery Switch, F1 and Ring Cadence (RC). The active application circuit and active supervisory function are different for each mode, as shown in the Table 2. Mode Control Signals The Battery Switch selects between the ...
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CADENCED WAVEFORM -80V BATTERY SWITCH -24V RC CENTERING OFF ON OFF ON VOLTAGE MTU ON OFF ON OFF FIGURE 8. RINGING WAVEFORM AND CONTROL SIGNALS the HC5517 application circuit meets the hazardous voltage requirements of FCC Part 68.306 by forcing ...
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TABLE 2. HC5517 APPLICATION CIRCUIT OPERATING MODES SUMMARY BATTERY SWITCH F1 RC -24V 0 0 -24V 0 1 -24V 1 0 -24V 1 1 -80V 0 0 -80V 0 1 -80V 1 0 -80V 1 1 NOTE: During Ringing, the ...
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Inverting Amplifier (A1) The pulse metering signal is injected in the -IN1 pin of the SLIC. This pin is the inverting input of the internal amplifi that is used to invert the pulse metering signal for later 1 ...
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Additional Tip and Ring Offset Voltage A DC offset is required to level shift tip and ring from ground and V respectively. By design, the tip amplifier is offset BAT 4V below ground and the ring amplifier is offset 4V ...
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The part has two ground pins, one is labeled AGND and the other BGND. Both pins should be connected together as close as possible to the SLIC ground plane is available, then both AGND and BGND should be ...
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Pinouts HC5517 (PLCC) TOP VIEW SHD 7 RTD 8 TST 9 ALM 10 ILMT Applications Circuit TIP SENSE TIP ...
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... All Intersil semiconductor products are manufactured, assembled and tested under ISO9000 quality systems certification. Intersil semiconductor products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or specifications at any time with- out notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use ...