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HC5503PRC Datasheet(PDF) 5 Page - Intersil Corporation |
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HC5503PRC Datasheet(HTML) 5 Page - Intersil Corporation |
5 / 11 page 5 UNCOMMITTED OP AMP SPECIFICATIONS Input Offset Voltage - ±5- mV Input Offset Current - ±10 - nA Input Bias Current -20 - nA Differential Input Resistance (Note 4) - 1 - M Ω Output Voltage Swing RL = 10K, VB+ = 5V - ±3- VPEAK Output Resistance AVCL = 1 (Note 4) - 10 - Ω Small Signal GBW (Note 4) - 1 - MHz NOTES: 4. ILONG = Longitudinal Current. 5. These parameters are controlled by design or process parameters and are not directly tested. These parameters are characterized upon initial design release, upon design changes which would affect these characteristics, and at intervals to assure product quality and specification compliance. Electrical Specifications Unless Otherwise Specified, VB- = -48V, VB+ = 5V, AG = BG = DG = 0V, RP = 50Ω, RS = 100Ω, Typical Parameters. TA = 25°C. Min-Max Parameters are Over Operating Temperature Range (Continued) PARAMETER CONDITIONS MIN TYP MAX UNITS Pin Descriptions 24 PIN DIP/SOIC 7 x 7 QFN SYMBOL DESCRIPTION 1 28 TIP An analog input connected to the TIP (more positive) side of the subscriber loop through a sense resistor (RS) and a ring relay contact. Functions with the Ring terminal to receive voice signals from the telephone and for loop monitoring purposes. 2 31 RING An analog input connected to the RING (more negative) side of the subscriber loop through a sense resistor (RS) and a ring relay contact. Functions with the Tip terminal to receive voice signals from the telephone and for loop monitoring purposes. 3 32 RFS Senses ring side of loop for ground key and ring trip detection. During ringing, the ring signal is inserted into the line at this node and RF is isolated from RFS via a relay. 41 VB+ Positive Voltage Source - Most positive supply. VB+ is typically. 53 C1 Capacitor #1 - An external capacitor to be connected between this terminal and analog ground. Required for proper operation of the loop current limiting function, and for filtering VB-. Typical value is 0.3µF, 30V. 6 4 DG Digital Ground - To be connected to zero potential and serves as a reference for all digital inputs and outputs on the SLIC microcircuit. 7 5 RS Ring Synchronization Input - A TTL - compatible clock input. The clock should be arranged such that a positive pulse transition occurs on the zero crossing of the ring voltage source, as it appears at the RFS terminal. For Tip side injected systems, the RS pulse should occur on the negative going zero crossing and for Ring injected systems, on the positive going zero crossing. This ensures that the ring relay activates and deactivates when the instantaneous ring voltage is near zero. If synchronization is not required, the pin should be tied to 5V. 86 RD Relay Driver - A low active open collector logic output. When enabled, the external ring relay is energized. 9 7, 8 TF Tip Feed - A low impedance analog output connected to the TIP terminal through a sense resistor (RS). Functions with the RF terminal to provide loop current, feed voice signals to the telephone set, and sink longitudinal current. 10 9, 10 RF Ring Feed - A low impedance analog output connected to the RING terminal through a sense resistor (RS). Functions with the TF terminal to provide loop current, feed voice signals to the telephone set, and sink longitudinal current. 11 11 VB- Negative Voltage Source - Most negative supply. VB- is typically -48V with an operational range of -42V to -58V. Frequently referred to as “battery”. 12 12 BG Battery Ground - To be connected to zero potential. All loop current and some quiescent current flows into this ground terminal. 13 13 SHD Switch Hook Detection - A low active LS TTL - compatible logic output. This output is enabled for loop currents exceeding the switch hook threshold. 14 14,19 NC Used during production test. Leave disconnected. HC5503PRC |
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