NUF2221W1 USB Upstream Terminator with ESD Protection This device is designed for applications requiring Line Termination, EMI Filtering and ESD Protection. It is intended for use in upstream USB ports, Cellular phones, Wireless equipment and NUF2221W1 ELECTRICAL CHARACTERISTICS (T = 25C unless otherwise noted) A Line Capacitance Vdc = 2.5 V V 1 mA I 3.3 V f = 1 MHz Series Resistor Pullup Resistor BR R (Volts) (nA) pF (Note 1) R ( ) R (k ) S up V RWM (Volts) Min Typ Max Min Typ Max Min Typ Max Min Typ Max Min Typ Max Device NUF2221W1 5.25 5.6 6.8 8.0 10 100 37.6 42 56.4 17.6 22 26.4 1.2 1.5 1.8 1. Measured between pins 1, 3, 4, 6 and ground with pin 5 also grounded. 2. For other resistance values (e.g. 15 , 33 ), please contact your local ON Semiconductor sales representative. TYPICAL CHARACTERISTICS 0 5 10 15 20 25 Temp = 25C 30 0.10 1.00 10.00 100.00 1000.00 FREQUENCY (MHz) Figure 1. Insertion Loss Characteristics 1600 24.5 R = Typical S R = Typical UP 1580 24.0 1560 23.5 1540 23.0 1520 22.5 1500 22.0 1480 21.5 1460 20 10 0 10 20 30 40 50 60 70 20 10 0 10 20 30 40 50 60 70 TEMPERATURE (C) TEMPERATURE (C) Figure 2. R versus Temperature Figure 3. R versus Temperature S UP