Datasheet LTC2281 (Analog Devices) - 4

LTC2281
INTERNAL REFERENCE CHARACTERISTICS (Note 4) PARAMETER CONDITIONS MIN TYP MAX UNITS
VCM Output Voltage IOUT = 0 1.475 1.500 1.525 V VCM Output Tempco ±25 ppm/°C VCM Line Regulation 2.85V < VDD < 3.4V 3 mV/V VCM Output Resistance |IOUT| < 1mA 4 Ω
DIGITAL INPUTS AND DIGITAL OUTPUTS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS LOGIC INPUTS (CLK, OE, SHDN, MUX)
VIH High Level Input Voltage VDD = 3V ● 2 V VIL Low Level Input Voltage VDD = 3V ● 0.8 V IIN Input Current VIN = 0V to VDD ● –10 10 μA CIN Input Capacitance (Note 7) 3 pF
LOGIC OUTPUTS OVDD = 3V
COZ Hi-Z Output Capacitance OE = High (Note 7) 3 pF ISOURCE Output Source Current VOUT = 0V 50 mA ISINK Output Sink Current VOUT = 3V 50 mA VOH High Level Output Voltage IO = –10μA 2.995 V IO = –200μA ● 2.7 2.99 V VOL Low Level Output Voltage IO = 10μA 0.005 V IO = 1.6mA ● 0.09 0.4 V
OVDD = 2.5V
VOH High Level Output Voltage IO = –200μA 2.49 V VOL Low Level Output Voltage IO = 1.6mA 0.09 V
OVDD = 1.8V
VOH High Level Output Voltage IO = –200μA 1.79 V VOL Low Level Output Voltage IO = 1.6mA 0.09 V 2281fb 4