LTC2442 DIGITAL INPUTS AND DIGITAL OUTPUTS The l denotes the specifications which apply over thefull operating temperature range, otherwise specifications are at TA = 25°C. (Note 3)SYMBOLPARAMETERCONDITIONSMINTYPMAXUNITS VIH High Level Input Voltage 4.5V ≤ VCC ≤ 5.5V l 2.5 V CS, FO, EXT, SDI VIL Low Level Input Voltage 4.5V ≤ VCC ≤ 5.5V l 0.8 V CS, FO, EXT, SDI VIH High Level Input Voltage 4.5V ≤ VCC ≤ 5.5V (Note 8) l 2.5 V SCK VIL Low Level Input Voltage 4.5V ≤ VCC ≤ 5.5V (Note 8) l 0.8 V SCK IIN Digital Input Current 0V ≤ VIN ≤ VCC l –10 10 µA CS, FO, EXT, SDI IIN Digital Input Current 0V ≤ VIN ≤ VCC (Note 8) l –10 10 µA SCK CIN Digital Input Capacitance 10 pF CS, FO, EXT, SDI CIN Digital Input Capacitance (Note 8) 10 pF SCK VOH High Level Output Voltage IO = –800µA l VCC – 0.5 V SDO, BUSY VOL Low Level Output Voltage IO = 1.6µA l 0.4 V SDO, BUSY VOH High Level Output Voltage IO = –800µA (Note 9) l VCC – 0.5 V SCK VOL Low Level Output Voltage IO = 1.6µA (Note 9) l 0.4 V SCK IOZ Hi-Z Output Leakage l –10 10 µA SDO POWER REQUIREMENTS The l denotes the specifications which apply over the full operating temperaturerange, otherwise specifications are at TA = 25°C. (Notes 3) SYMBOLPARAMETERCONDITIONSMINTYPMAXUNITS VCC Supply Voltage l 4.5 5.5 V V+ Amplifier Positive Supply l 4.5 15 V V– Amplifier Negative Supply l –15 0 V ICC Supply Current Amplifiers and ADC l 10 13 mA 2442fb 4 For more information www.linear.com/LTC2442