Datasheet LTC2208 (Analog Devices) - 5

LTC2208
COMMON MODE BIAS CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. (Note 4) PARAMETER CONDITIONS MIN TYP MAX UNITS
VCM Output Voltage IOUT = 0 1.15 1.25 1.35 V VCM Output Tempco IOUT = 0 +40 ppm/°C VCM Line Regulation 3.135V ≤ VDD ≤ 3.465V 1 mV/ V VCM Output Resistance 1mA ≤ | IOUT | ≤ 1mA 2 Ω
The DIGITAL INPUTS AND DIGITAL OUTPUTS
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 ENCODE INPUTS (ENC+, ENC–)
VID Differential Input Voltage (Note 7) l 0.2 V VICM Common Mode Input Voltage Internally Set 1.6 V Externally Set (Note 7) 1.2 3.0 V RIN Input Resistance (See Figure 2) 6 kΩ CIN Input Capacitance (Note 7) 3 pF
LOGIC INPUTS (DITH, PGA, SHDN, RAND)
VIH High Level Input Voltage VDD = 3.3V l 2 V VIL Low Level Input Voltage VDD = 3.3V l 0.8 V IIN Digital Input Current VIN = 0V to VDD l ±10 μA CIN Digital Input Capacitance (Note 7) 1.5 pF
LOGIC OUTPUTS (CMOS MODE) OVDD = 3.3V
VOH High Level Output Voltage VDD = 3.3V IO = –10μA 3.299 V IO = –200μA l 3.1 3.29 V VOL Low Level Output Voltage VDD = 3.3V IO = 160μA 0.01 V IO = 1.6mA l 0.10 0.4 V ISOURCE Output Source Current VOUT = 0V –50 mA ISINK Output Sink Current VOUT = 3.3V 50 mA
OVDD = 2.5V
VOH High Level Output Voltage VDD = 3.3V IO = –200μA 2.49 V VOL Low Level Output Voltage VDD = 3.3V IO = 1.60mA 0.1 V
OVDD = 1.8V
VOH High Level Output Voltage VDD = 3.3V IO = –200μA 1.79 V VOL Low Level Output Voltage VDD = 3.3V IO = 1.60mA 0.1 V
LOGIC OUTPUTS (LVDS MODE) STANDARD LVDS
VOD Differential Output Voltage 100Ω Differential Load l 247 350 454 mV VOS Output Common Mode Voltage 100Ω Differential Load l 1.125 1.2 1.375 V
LOW POWER LVDS
VOD Differential Ouptut Voltage 100Ω Differential Load l 125 175 250 mV VOS Output Common Mode Voltage 100Ω Differential Load l 1.125 1.2 1.375 V 2208fc 5