hc55185fcr96 Intersil Corporation, hc55185fcr96 Datasheet
hc55185fcr96
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hc55185fcr96 Summary of contents
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Data Sheet VoIP Ringing SLIC Family The RSLIC-VoIP family of ringing subscriber line interface circuits (RSLIC) supports analog Plain Old Telephone Service (POTS) in short and medium loop length, wireless and wireline applications. Ideally suited for remote subscriber units, ...
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Ordering Information PART NUMBER PART MARKING HC55185AIM* HC55185 AIM HC55185AIMZ* (Note) HC55185 AIMZ HC55185BIM* HC55185 BIM HC55185BIMZ* (Note) HC55185 BIMZ HC55185CIM* HC55185 CIM HC55185CIMZ* (Note) HC55185 CIMZ HC55185DIM* HC55185 DIM HC55185DIMZ* (Note) HC55185 DIMZ HC55185ECM* HC55185 ECM HC55185ECMZ* (Note) HC55185 ...
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Pinouts HC55185 (28 LD PLCC) TOP VIEW SW+ 6 SW- 7 SWC HC55185 27 26 RTD 25 24 CDC 23 ...
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Absolute Maximum Ratings T A Maximum Supply Voltages ...
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Electrical Specifications Unless Otherwise Specified, T (C) grade, V All AC parameters are specified at 600Ω 2-wire terminating impedance over the frequency band of 300Hz to 3.4kHz. Protection resistors = 0Ω. (Continued) PARAMETER 2-Wire Longitudinal Balance (Notes 5, 6) 4-Wire ...
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Electrical Specifications Unless Otherwise Specified, T (C) grade, V All AC parameters are specified at 600Ω 2-wire terminating impedance over the frequency band of 300Hz to 3.4kHz. Protection resistors = 0Ω. (Continued) PARAMETER Input High Current LOGIC OUTPUTS (DET, ALM) ...
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Electrical Specifications Unless Otherwise Specified, T (C) grade, V All AC parameters are specified at 600Ω 2-wire terminating impedance over the frequency band of 300Hz to 3.4kHz. Protection resistors = 0Ω. (Continued) PARAMETER V to 4-Wire BH NOTES: 3. These ...
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Functional Improvements In addition to parametric improvements, internal circuit changes and application circuit changes have been made to improve the overall device functionality. Off Hook Interface The transient behavior of the device in response to mode changes has been significantly ...
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Design Equations Loop Supervision Thresholds SWITCH HOOK DETECT The switch hook detect threshold is set by a single external resistor Equation 3 is used to calculate the value ⁄ R 600 ...
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Low Power Standby Overview The low power standby mode (LPS, 000) should be used during idle line conditions. The device is designed to operate from the high battery during this mode. Most of the internal circuitry is powered down, resulting ...
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Forward Active Overview The forward active mode (FA, 001) is the primary AC transmission mode of the device. On hook transmission, DC loop feed and voice transmission are supported during forward active. Loop supervision is provided by either the switch ...
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When R is exceeded, the device will transition from KNEE constant current feed to constant voltage, resistive feed. The line segment I represents the resistive feed portion of the B load characteristic ----------------------- - ...
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Since the current relationships are different for constant current versus constant voltage, the region of device operation is critical to valid power dissipation calculations. Reverse Active Overview The reverse active mode (RA, 011) provides the same functionality as the forward ...
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When operating from a battery of -100V, each amplifier, Tip and Ring, will swing a maximum of 95V maximum signal swing at VRS to achieve full scale ringing is approximately 2.4V . The low signal levels are compatible P-P with ...
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AC Verification The entire AC loop of the device is active during the forward loop back mode. Therefore a 4-wire to 4-wire level test capability is provided. Depending on the transhybrid balance implementation, test coverage is provided by a one ...
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High Voltage Decoupling The 100V rating of the device will require a capacitor of higher voltage rating for decoupling. Suggested decoupling values for all device pins are 0.1μF. Standard surface mount ceramic capacitors are rated at 100V. For applications driven ...
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Basic Application Circuit C PS1 C PS2 D C PS3 VCC VBL VBH VRX TIP VRS HC55185 R P2 VTX RING SW+ -IN SW VFB R RTD RT SWC BSEL R ...
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Pin Descriptions PLCC QFN SYMBOL 1 29 TIP TIP power amplifier output BGND Battery Ground - To be connected to zero potential. All loop current and longitudinal current flow from this ground. Internally separate from AGND but it ...
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Quad Flat No-Lead Plastic Package (QFN D INDEX AREA AREA TOP VIEW 0. SEATING PLANE A1 ...
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... Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without 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 ...