LTC2325-16 INTERNAL REFERENCE CHARACTERISTICSThe l denotes the specifications which apply over thefull operating temperature range, otherwise specifications are at TA = 25°C (Note 4). SYMBOLPARAMETERCONDITIONSMINTYPMAXUNITS VREFOUT1,2,3,4 Internal Reference Output Voltage 4.75V < VDD < 5.25V l 4.078 4.096 4.115 V 3.13V < VDD < 3.47V l 2.034 2.048 2.064 V VREF Temperature Coefficient (Note 14) l 3 20 ppm/°C REFOUT1,2,3,4 Output Impedance 0.25 Ω VREFOUT1,2,3,4 Line Regulation 4.75V < VDD < 5.25V 0.3 mV/V IREFOUT1,2,3,4 External Reference Current REFBUFEN = 0V REFOUT1,2,3,4 = 4.096V 385 μA REFOUT1,2,3,4 = 2.048V 204 μA (Notes 9, 10) DIGITAL INPUTS AND DIGITAL OUTPUTSThe l denotes the specifications which apply over thefull operating temperature range, otherwise specifications are at TA = 25°C (Note 4). SYMBOL PARAMETERCONDITIONSMINTYPMAXUNITSCMOS Digital Inputs and Outputs CMOS/LVDS = GND 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 IO = –500μA l OVDD – 0.2 V VOL Low Level Output Voltage IO = 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 –10 mA ISINK Output Sink Current VOUT = OVDD 10 mA LVDS Digital Inputs and Outputs CMOS/LVDS = OVDD VID LVDS Differential Input Voltage 100Ω Differential Termination l 240 600 mV OVDD = 2.5V VIS LVDS Common Mode Input Voltage 100Ω Differential Termination l 1 1.45 V OVDD = 2.5V VOD LVDS Differential Output Voltage 100Ω Differential Termination l 220 350 600 mV OVDD = 2.5V VOS LVDS Common Mode Output Voltage 100Ω Differential Termination l 0.85 1.2 1.4 V OVDD = 2.5V VOD_LP Low Power LVDS Differential Output 100Ω Differential Termination l 100 200 350 mV Voltage OVDD = 2.5V VOS_LP Low Power LVDS Common Mode Output 100Ω Differential Termination l 0.85 1.2 1.4 V Voltage OVDD = 2.5V 232516fa 4 For more information www.linear.com/LTC2325-16 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Converter Characteristics Digital Inputs And Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagram Applications Information Package Description Typical Application Related Parts
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