Datasheet LTC2452 (Analog Devices) - 3

LTC2452
a nalog inpuTs anD reFerences The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V + IN Positive Input Voltage Range l 0 VREF V V – IN Negative Input Voltage Range l 0 VREF V VREF Reference Voltage Range l 2.5 VCC V V + + – OR + VUR Overrange + Underrange Voltage, IN+ VREF = 5V, VIN = 2.5V (See Figure 3) 31 LSB V – – + OR + VUR Overrange + Underrange Voltage, IN– VREF = 5V, VIN = 2.5V (See Figure 3) 31 LSB CIN IN+, IN– Sampling Capacitance 0.35 pF IDC_LEAK(IN+) IN+ DC Leakage Current VIN = GND (Note 10) l –10 1 10 nA VIN = VCC (Note 10) l –10 1 10 nA IDC_LEAK(IN–) IN– DC Leakage Current VIN = GND (Note 10) l –10 1 10 nA VIN = VCC (Note 10) l –10 1 10 nA IDC_LEAK(REF) REF DC Leakage Current VREF = 3V (Note 10) l –10 1 10 nA ICONV Input Sampling Current (Note 5) 50 nA
power requireMenTs The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VCC Supply Voltage l 2.7 5.5 V ICC Supply Current Conversion CS = GND (Note 6) l 800 1200 µA Sleep CS = VCC (Note 6) l 0.2 0.6 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 2) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIH High Level Input Voltage l VCC – 0.3 V VIL Low Level Input Voltage l 0.3 V IIN Digital Input Current l –10 10 µA CIN Digital Input Capacitance 10 pF VOH High Level Output Voltage IO = –800µA l VCC – 0.5 V VOL Low Level Output Voltage IO = 1.6mA l 0.4 V IOZ Hi-Z Output Leakage Current l –10 10 µA 2452fd For more information www.linear.com/LTC2452 3