HC5523IM Intersil Corporation, HC5523IM Datasheet
HC5523IM
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HC5523IM Summary of contents
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... This process feature makes the HC5523 ideally suited for use in harsh outdoor environments. Part Number Information TEMP. o PART NUMBER RANGE ( C) PACKAGE HC5523IM - PLCC HC5523IP - PDIP Block Diagram RINGRLY DT DR TIP ...
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Absolute Maximum Ratings Temperature, Humidity Storage Temperature Range . . . . . . . . . . . . . . . . -65 Operating Temperature Range . . . . . . . . . . . . ...
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Electrical Specifications 39kΩ number references in the figures refer to the 28 lead PLCC package. (Continued) PARAMETER V TIP 600Ω V TRO I DCMET 23mA RING RSN ...
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Electrical Specifications 39kΩ number references in the figures refer to the 28 lead PLCC package. (Continued) PARAMETER R LT TIP 2.16µF RING FIGURE ...
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Electrical Specifications 39kΩ number references in the figures refer to the 28 lead PLCC package. (Continued) PARAMETER TIP IDLE VOLTAGE Active Standby RING IDLE ...
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Electrical Specifications 39kΩ number references in the figures refer to the 28 lead PLCC package. (Continued) PARAMETER GRX = (( )(300k))/(-3)(600) TR1 TR2 Where the Tip to Ring ...
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Electrical Specifications 39kΩ number references in the figures refer to the 28 lead PLCC package. (Continued) PARAMETER TIP 600Ω TR RING RSN 28 16 FIGURE ...
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Electrical Specifications 39kΩ number references in the figures refer to the 28 lead PLCC package. (Continued) PARAMETER Active State (C1 On-Hook PSRR 4-Wire Port ...
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I TIP TIP RING I RING HC5523 V = -48V, I BAT L 0 SATURATION GUARD VOLTAGE -10 CONSTANT CURRENT RESISTIVE FEED FEED REGION -20 -30 -40 SATURATION GUARD VOLTAGE -50 0 1.2K LOOP RESISTANCE (Ω) FIGURE 14 ...
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I M TIP RING The value of R should be calculated to allow maximum SG loop length operation. ...
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Z is defined as ---------- - Substituting in Equation 9 for V TR • ---------- - + ---------------------- - ...
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Before proceeding with an explanation of the loop current detector, ground key detector and later the longitudinal impedance important to understand the difference between a “metallic” and “longitudinal” loop currents. Figure 18 illustrates 3 different types of loop ...
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A simplified schematic of the ground key detector is shown in Figure 18. Ground key, is the process in which the ring terminal is shorted to ground for the purpose of signaling an Operator or seizing a phone line (between ...
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Digital Logic Inputs Table 1 is the logic truth table for the TTL compatible logic input pins. The HC5523 has two enable inputs pins (E0, E1) and two control inputs pins (C1, C2). The enable pin E0 is used to ...
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Surge Voltage Protection The HC5523 must be protected against surge voltages and power crosses. Refer to ...
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DET pin remains low (no false detection). 5. Longitudinal Current Limit (On-Hook Standby) - On-Hook (Active longitudinal current limit is determined increasing the amplitude of E ...
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+1800 BAT L A 29. Ground Key Detector - (TRIGGER) Increase the input current to 8mA and verify that DET goes low. (RESET) Decrease the input current ...
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Pin Descriptions PLCC PDIP SYMBOL 1 RING Internally connected to output of RING power amplifier. SENS BGND Battery Ground - To be connected to zero potential. All loop current and longitudinal current flow from this ground. Internally ...
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Pinouts HC5523 (PLCC) TOP VIEW RINGRLY BAT N/C 10 DET HC5523 N/C 23 ...
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Application Circuit BAT PTC R F1 TIP D 3 PTC NOTE 31 RING Surgector RINGING + 90V ) BAT RMS 12V U1 ...
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Plastic Leaded Chip Carrier Packages (PLCC) 0.042 (1.07) 0.042 (1.07) 0.048 (1.22) 0.056 (1.42) PIN (1) IDENTIFIER 0.050 (1.27 0.020 (0.51) MAX 3 PLCS 0.026 (0.66) 0.032 (0.81) 0.045 (1.14) MIN VIEW “A” ...
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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 ...