HC55184ECM Intersil Corporation, HC55184ECM Datasheet
HC55184ECM
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HC55184ECM Summary of contents
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... AN9814, User’s Guide for Development Board BSEL SWC • AN9824, Modeling of the AC Loop • AN TBD, Interfacing to DSP CODECs CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. | Intersil and Design is a trademark of Intersil Corporation. File Number 4519.5 © | Copyright Intersil Corporation 2000 ...
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... HC55180, HC55181, HC55182, HC55183, HC55184 Ordering Information (PLCC Package Only) BAT PART NUMBER 100V 85V SW HC55180CIM HC55180DIM HC55181CIM HC55181DIM HC55182CIM HC55182DIM HC55183ECM 75V HC55184ECM 75V HC5518XEVAL1 Evaluation board platform, including CODEC. Device Operating Modes OPERATING MODE Low Power SHD Standby Forward Active ...
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HC55180, HC55181, HC55182, HC55183, HC55184 Pinouts HC55181 (PLCC) TOP VIEW SW+ 5 SW- 6 SWC HC55183 (PLCC) TOP VIEW 4 ...
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HC55180, HC55181, HC55182, HC55183, HC55184 Absolute Maximum Ratings Maximum Supply Voltages ...
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HC55180, HC55181, HC55182, HC55183, HC55184 Electrical Specifications Unless Otherwise Specified -100V, -85V or -75V specified at 600 2-wire terminating impedance over the frequency band of 300Hz to 3.4kHz. Protection resistors = 0 . These parameters ...
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Electrical Specifications Unless Otherwise Specified, T loop current limit = 25mA. All AC Parameters are specified at 600 2-wire terminating impedance over the frequency band of 300Hz to 3.4kHz. Protection resistors = 0 . HC55180 (Note 7) PARAMETER TEST CONDITIONS ...
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Electrical Specifications Unless Otherwise Specified, T loop current limit = 25mA. All AC Parameters are specified at 600 2-wire terminating impedance over the frequency band of 300Hz to 3.4kHz. Protection resistors = 0 . (Continued) HC55180 (Note 7) PARAMETER TEST ...
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Electrical Specifications Unless Otherwise Specified, T loop current limit = 25mA. All AC Parameters are specified at 600 2-wire terminating impedance over the frequency band of 300Hz to 3.4kHz. Protection resistors = 0 . (Continued) HC55180 (Note 7) PARAMETER TEST ...
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HC55180, HC55181, HC55182, HC55183, HC55184 Design Equations Loop Supervision Thresholds SWITCH HOOK DETECT The switch hook detect threshold is set by a single external resistor Equation 1 is used to calculate the value 600 ...
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HC55180, HC55181, HC55182, HC55183, HC55184 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 ...
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HC55180, HC55181, HC55182, HC55183, HC55184 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 ...
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HC55180, HC55181, HC55182, HC55183, HC55184 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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HC55180, HC55181, HC55182, HC55183, HC55184 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 ...
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HC55180, HC55181, HC55182, HC55183, HC55184 approximately 2.4V . The low signal levels are compatible P-P with the output voltage range of the CODEC. The digital nature of the CODEC ideally suits it for the function of programmable ringing generator. See ...
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HC55180, HC55181, HC55182, HC55183, HC55184 return signal would be much lower in amplitude than the first step, indicating the device was active and the internal termination attenuated the return signal. System architectures which disable the transhybrid function would achieve test ...
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HC55180, HC55181, HC55182, HC55183, HC55184 0.22 0.22 VBL VBH HC5518X FIGURE 11. ALTERNATE DECOUPLING SCHEME As with all decoupling schemes, the capacitors should be as close to the device pins as physically possible. Uncommitted Switch Overview The uncommitted switch is ...
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HC55180, HC55181, HC55182, HC55183, HC55184 Basic Application Circuits TABLE 2. BASIC APPLICATION CIRCUIT COMPONENT LIST COMPONENT U1 - Ringing SLIC ...
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HC55180, HC55181, HC55182, HC55183, HC55184 C PS1 C PS2 PS3 VCC VBL VBH VRX TIP 1 VRS HC55181 R P2 RING VTX SW+ -IN SW VFB R RTD RT R SWC SH ...
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HC55180, HC55181, HC55182, HC55183, HC55184 Additional Application Diagrams Reducing Overhead Voltages The transmission overhead voltage of the device is internally set to 4V per side. The overhead voltage may be reduced by injecting a negative DC voltage on the receive ...
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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 ...