Datasheet LTC2220, LTC2221 (Analog Devices) - 4

LTC2220/LTC2221
U U U I TER AL REFERE CE CHARACTERISTICS (Note 4) PARAMETER CONDITIONS MIN TYP MAX UNITS
VCM Output Voltage IOUT = 0 1.570 1.600 1.630 V VCM Output Tempco ±25 ppm/°C VCM Line Regulation 3.1V < VDD < 3.5V 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 ENCODE INPUTS (ENC+, ENC–)
VID Differential Input Voltage ● 0.2 V VICM Common Mode Input Voltage Internally Set 1.6 V Externally Set (Note 7) ● 1.1 1.6 2.5 V RIN Input Resistance 6 kΩ CIN Input Capacitance (Note 7) 3 pF
LOGIC INPUTS (OE, SHDN)
VIH High Level Input Voltage VDD = 3.3V ● 2 V VIL Low Level Input Voltage VDD = 3.3V ● 0.8 V IIN Input Current VIN = 0V to VDD ● –10 10 µA CIN Input Capacitance (Note 7) 3 pF
LOGIC OUTPUTS (CMOS MODE) OVDD = 3.3V
COZ Hi-Z Output Capacitance OE = High (Note 7) 3 pF ISOURCE Output Source Current VOUT = 0V 50 mA ISINK Output Sink Current VOUT = 3.3V 50 mA VOH High Level Output Voltage IO = –10µA 3.295 V IO = –200µA ● 3.1 3.29 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
LOGIC OUTPUTS (LVDS MODE)
VOD Differential Output Voltage 100Ω Differential Load ● 247 350 454 mV VOS Output Common Mode Voltage 100Ω Differential Load ● 1.125 1.250 1.375 V 22201fa 4