Datasheet LTC2439-1 (Analog Devices) - 4

LTC2439-1
ANALOG INPUT AND REFERENCE The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 3) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Off Channel to On Channel Isolation DC 140 dB (RIN = 100Ω) 1Hz 140 dB fS = 15,3600Hz 140 dB tOPEN MUX Break-Before-Make Interval 2.7V ≤ VCC ≤ 5.5V 100 ns IS(OFF) Channel Off Leakage Current Channel at VCC and GND l –100 1 100 nA
DIGITAL INPUTS AND DIGITAL OUTPUTS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 3) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIH High Level Input Voltage 2.7V ≤ VCC ≤ 5.5V l 2.5 V CS, FO, SDI 2.7V ≤ VCC ≤ 3.3V 2.0 V VIL Low Level Input Voltage 4.5V ≤ VCC ≤ 5.5V l 0.8 V CS, FO, SDI 2.7V ≤ VCC ≤ 5.5V 0.6 V VIH High Level Input Voltage 2.7V ≤ VCC ≤ 5.5V (Note 8) l 2.5 V SCK 2.7V ≤ VCC ≤ 3.3V (Note 8) 2.0 V VIL Low Level Input Voltage 4.5V ≤ VCC ≤ 5.5V (Note 8) l 0.8 V SCK 2.7V ≤ VCC ≤ 5.5V (Note 8) 0.6 V IIN Digital Input Current 0V ≤ VIN ≤ VCC l –10 10 µA CS, FO, SDI IIN Digital Input Current 0V ≤ VIN ≤ VCC (Note 8) l –10 10 µA SCK CIN Digital Input Capacitance 10 pF CS, FO, SDI CIN Digital Input Capacitance (Note 8) 10 pF SCK VOH High Level Output Voltage IO = –800µA l VCC – 0.5 V SDO VOL Low Level Output Voltage IO = 1.6mA l 0.4 V SDO VOH High Level Output Voltage IO = –800µA (Note 9) l VCC – 0.5 V SCK VOL Low Level Output Voltage IO = 1.6mA (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 temperature range, otherwise specifications are at TA = 25°C. (Note 3) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VCC Supply Voltage l 2.7 5.5 V ICC Supply Current Conversion Mode CS = 0V (Note 11) l 200 300 µA Sleep Mode CS = VCC (Note 11) l 4 15 µA Sleep Mode CS = VCC, 2.7V ≤ VCC ≤ 3.3V (Note 11, 14) 2 µA 24391fb 4 For more information www.linear.com/LTC2439-1 Document Outline Features Applications Typical Application Absolute Maximum Ratings Order Information Electrical Characteristics Converter Characteristics Analog Input and Reference Digital Inputs and Digital Outputs POWER REQUIREMENTS Timing Characteristics Pin Functions FUNCTIONAL Block Diagram Test CircuitS Applications Information Package Description Revision History Typical Application Related Parts