Datasheet LTC2255, LTC2254 (Analog Devices) - 4

LTC2255/LTC2254
U U U I TER AL REFERE CE 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 –1mA < IOUT < 1mA 4 Ω
U U DIGITAL I PUTS A D DIGITAL OUTPUTS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS LOGIC INPUTS (CLK, OE, SHDN)
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
W U POWER REQUIRE E TS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. (Note 8) LTC2255 LTC2254 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
VDD Analog Supply Voltage (Note 9) ● 2.85 3 3.4 2.85 3 3.4 V OVDD Output Supply Voltage (Note 9) ● 0.5 3 3.6 0.5 3 3.6 V IVDD Supply Current ● 132 156 107 126 mA PDISS Power Dissipation ● 395 468 320 378 mW PSHDN Shutdown Power SHDN = H, 2 2 mW OE = H, No CLK PNAP Nap Mode Power SHDN = H, 15 15 mW OE = L, No CLK 22554fa 4