LTC2333-18 REFERENCE BUFFER CHARACTERISTICSThe l denotes the specifications which apply over the fulloperating temperature range, otherwise specifications are at TA = 25°C. (Note 9)SYMBOLPARAMETERCONDITIONSMINTYPMAXUNITS VREFBUF Reference Buffer Output Voltage REFIN Overdriven, VREFIN = 2.048V l 4.091 4.096 4.101 V REFBUF Voltage Range REFBUF Overdriven (Notes 7, 15) l 2.5 5 V REFBUF Input Impedance VREFIN = 0V, Buffer Disabled 13 kΩ IREFBUF REFBUF Load Current VREFBUF = 5V, (Notes 15, 16) l 0.93 1.2 mA VREFBUF = 5V, Acquisition or Nap Mode (Note 15) 0.39 mA DIGITALINPUTS AND DIGITAL OUTPUTS The l denotes the specifications which apply over thefull operating temperature range, otherwise specifications are at TA = 25°C. (Note 9) SYMBOLPARAMETERCONDITIONSMINTYPMAXUNITSCMOS Digital Inputs and Outputs VIH High Level Input Voltage l 0.8 • OVDD V VIL Low Level Input Voltage l 0.2 • OVDD V IIN Digital Input Current VIN = 0V to OVDD l –10 10 μA CIN Digital Input Capacitance 5 pF VOH High Level Output Voltage IOUT = –500μA l OVDD – 0.2 V VOL Low Level Output Voltage IOUT = 500μA l 0.2 V IOZ Hi-Z Output Leakage Current VOUT = 0V to OVDD l –10 10 μA ISOURCE Output Source Current VOUT = 0V –50 mA ISINK Output Sink Current VOUT = OVDD 50 mA LVDS Digital Inputs and Outputs VID Differential Input Voltage l 200 350 600 mV RID On-Chip Input Termination CS = 0V, VICM = 1.2V l 90 106 125 Ω Resistance CS = OVDD 10 MΩ VICM Common-Mode Input Voltage l 0.3 1.2 2.2 V IICM Common-Mode Input Current VIN+ = VIN– = 0V to OVDD l –10 10 μA VOD Differential Output Voltage RL = 100Ω Differential Termination l 275 350 425 mV VOCM Common-Mode Output Voltage RL = 100Ω Differential Termination l 1.1 1.2 1.3 V IOZ Hi-Z Output Leakage Current VOUT = 0V to OVDD l –10 10 μA 233318f For more information www.linear.com/LTC2333-18 5
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