Datasheet LTC2496 (Analog Devices) - 4

LTC2496
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 (CS, fO, SDI) 2.7V ≤ VCC ≤ 5.5V (Note 18) l VCC – 0.5 V VIL Low Level Input Voltage (CS, fO, SDI) 2.7V ≤ VCC ≤ 5.5V l 0.5 V VIH High Level Input Voltage (SCK) 2.7V ≤ VCC ≤ 5.5V (Notes 10, 15) l VCC – 0.5 V VIL Low Level Input Voltage (SCK) 2.7V ≤ VCC ≤ 5.5V (Notes 10, 15) l 0.5 V IIN Digital Input Current (CS, fO, SDI) 0V ≤ VIN ≤ VCC l –10 10 µA IIN Digital Input Current (SCK) 0V ≤ VIN ≤ VCC (Notes 10, 15) l –10 10 µA CIN Digital Input Capacitance (CS, fO, SDI) 10 pF CIN Digital Input Capacitance (SCK) (Notes 10, 17) 10 pF VOH High Level Output Voltage (SDO) IO = –800µA l VCC – 0.5 V VOL Low Level Output Voltage (SDO) IO = 1.6mA l 0.4 V VOH High Level Output Voltage (SCK) IO = –800µA (Notes 10, 17) l VCC – 0.5 V VOL Low Level Output Voltage (SCK) IO = 1.6mA (Notes 10, 17) l 0.4 V IOZ Hi-Z Output Leakage (SDO) l –10 10 µA
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 Current (Note 12) l 160 275 µA Sleep Mode (Note 12) l 1 2 µA
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
fEOSC External Oscillator Frequency Range (Note 16) l 10 1000 kHz tHEO External Oscillator High Period l 0.125 100 µs tLEO External Oscillator Low Period l 0.125 100 µs tCONV Conversion Time Simultaneous 50/60Hz l 144.1 146.9 149.9 ms External Oscillator 41036/fEOSC (in kHz) ms fISCK Internal SCK Frequency Internal Oscillator (Note 10) 38.4 kHz External Oscillator (Notes 10, 11) fEOSC /8 kHz DISCK Internal SCK Duty Cycle (Note 10) l 45 55 % fESCK External SCK Frequency Range (Note 10) l 4000 kHz tLESCK External SCK Low Period (Note 10) l 125 ns tHESCK External SCK High Period (Note 10) l 125 ns tDOUT_ISCK Internal SCK 24-Bit Data Output Time Internal Oscillator l 0.61 0.625 0.64 ms External Oscillator 192/fEOSC (in kHz) ms tDOUT_ESCK External SCK 24-Bit Data Output Time (Note 10) 24/fESCK (in kHz) ms 2496fc 4 For more information www.linear.com/LTC2496 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Analog Input and Reference Digital Inputs and Digital Outputs Power Requirements Typical Performance Characteristics Pin Functions Functional Block Diagram Test Circuits Timing Diagrams Applications Information Package Description Revision History Typical Application Related Parts