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HC55150 Datasheet(PDF) 4 Page - Intersil Corporation |
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HC55150 Datasheet(HTML) 4 Page - Intersil Corporation |
4 / 35 page Electrical Specifications TA = -40 oCto85oC, V CC = +5V ±5%, VBH = -48V, VBL = -24V, PTG = Open, RP1 =RP2 =0Ω, ZT = 120kΩ,RLIM = 38.3kΩ,RD = 50kΩ, RDC_RAC = 20kΩ, ROH = 40kΩ,CH = 0.1µF, CDC = 4.7µF, CRT/REV = 0.47µF, GND = 0V, RL = 600Ω. Unless Otherwise Specified. (•) Symbol used to indicate the test applies to the part. (NA) symbol used to indicate the test does not apply to the part. PARAMETER TEST CONDITIONS MIN TYP MAX UNITS HC55120 HC55121 HC55130/1 HC55140/1 HC55142/3 HC55150/1 2-WIRE PORT Overload Level, Off Hook Forward and Reverse 1% THD, IDCMET ≥ 18mA (Note 2, Figure 1) 3.2 - - VPEAK Forward Only • Forward Only ••• Overload Level, On Hook Forward and Reverse 1% THD, IDCMET ≤ 5mA (Note 3, Figure 1) 1.3 - - VPEAK Forward Only • Forward Only ••• Input Impedance (Into Tip and Ring) - ZT/200 - Ω •••••• Longitudinal Impedance (Tip, Ring) Forward and Reverse 0 < f < 100Hz (Note 4, Figure 2) - 0 - Ω/Wire Forward Only • Forward Only ••• LONGITUDINAL CURRENT LIMIT (TIP, RING) On-Hook, Off-Hook (Active), RL = 736Ω Forward and Reverse No False Detections, (Loop Current), LB > 45dB (Notes 5, 6, Figures 3A, 3B) 28 - - mARMS/Wire Forward Only • Forward Only ••• FIGURE 1. OVERLOAD LEVEL (OFF HOOK, ON HOOK) FIGURE 2. LONGITUDINAL IMPEDANCE FIGURE 3A. LONGITUDINAL CURRENT LIMIT ON-HOOK (ACTIVE) FIGURE 3B. LONGITUDINAL CURRENT LIMIT OFF-HOOK (ACTIVE) TIP VTX RING VRX ERX RL VTR IDCMET EL VT C 0 < f < 100Hz VR LZT = VT/AT LZR = VR/AR 1VRMS 300 Ω 300 Ω TIP RING AT AR VTX VRX EL 368 Ω 368 Ω A TIP RING SHD C 10 µF C 10 µF A VTX VRX EL 368 Ω 368 Ω C A TIP RING SHD A VTX VRX VTX |
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