Datasheet LTC1272 (Analog Devices) - 3

LTC1272
CONVERTER CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. With Internal Reference (Note 4) LTC1272-XA LTC1272-XC PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
Resolution (No Missing Codes) l 12 12 Bits Integral Linearity Error (Note 5) l ±1/2 ±1 LSB Differential Linearity Error l ±1 ±1 LSB Offset Error ±3 ±4 LSB l ±4 ±6 LSB Gain Error ±10 ±15 LSB Full-Scale Tempco IOUT (Reference) = 0 l ±5 ±25 ±10 ±45 ppm/°C
INTERNAL REFERENCE CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) LTC1272-XA LTC1272-XC PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
VREF Output Voltage (Note 6) IOUT = 0 2.400 2.420 2.440 2.400 2.420 2.440 V VREF Output Tempco IOUT = 0 l 5 25 10 45 ppm/°C VREF Line Regulation 4.75V ≤ VDD ≤ 5.25V, IOUT = 0 0.01 0.01 LSB/V VREF Load Regulation (Sourcing Current) 0 ≤ IOUT ≤ 1mA 2 2 LSB/mA
DIGITAL AND DC ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) LTC1272-XA/C SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIH High Level Input Voltage CS, RD, HBEN, CLK IN VDD = 5.25V l 2.4 V VIL Low Level Input Voltage CS, RD, HBEN, CLK IN VDD = 4.75V l 0.8 V IIN Input Current CS, RD, HBEN VIN = 0V to VDD l ±10 µA Input Current CLK IN VIN = 0V to VDD l ±20 µA VOH High Level Output Voltage All Logic Outputs VDD = 4.75V IOUT = –10μA 4.7 V IOUT = –200μA l 4.0 V VOL Low Level Output Voltage All Logic Outputs VDD = 4.75V, IOUT = 1.6mA l 0.4 V IOZ High-Z Output Leakage D11-D0/8 VOUT = 0V to VDD l ±10 µA COZ High-Z Output Capacitance (Note 7) l 15 pF ISOURCE Output Source Current VOUT = 0V –10 mA ISINK Output Sink Current VOUT = VDD 10 mA IDD Positive Supply Current CS = RD = VDD, AIN = 5V l 15 30 mA PD Power Dissipation 75 mW 1272fc For more information www.linear.com/1272 3 Document Outline FEATURES APPLICATIONS DESCRIPTION TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION CONVERTER CHARACTERISTICS INTERNAL REFERENCE CHARACTERISTICS DIGITAL AND DC ELECTRICAL CHARACTERISTICS DYNAMIC ACCURACY ANALOG INPUT TIMING CHARACTERISTICS PIN FUNCTIONS TYPICAL PERFORMANCE CHARACTERISTICS APPLICATIONS INFORMATION REVISION HISTORY PACKAGE DESCRIPTION