Datasheet LTC1418 (Analog Devices) - 4

LTC1418
INTERNAL REFERENCE CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5) PARAMETER CONDITIONS MIN TYP MAX UNITS
VREF Output Voltage IOUT = 0 2.480 2.500 2.520 V VREF Output Tempco IOUT = 0, Commercial l ±10 ±45 ppm/°C IOUT = 0, Industrial ±20 ppm/°C VREF Line Regulation 4.75V ≤ VDD ≤ 5.25V 0.05 LSB/V –5.25V ≤ VSS ≤ –4.75V 0.05 LSB/V VREF Output Resistance 0.1mA ≤ | IOUT | ≤ 0.1mA 8 kΩ
DIGITAL INPUTS AND OUTPUTS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIH High Level Input Voltage VDD = 5.25V l 2.4 V VIL Low Level Input Voltage VDD = 4.75V l 0.8 V IIN Digital Input Current VIN = 0V to VDD l ±10 µA CIN Digital Input Capacitance 1.4 pF VOH High Level Output Voltage VDD = 4.75V, IO = –10μA 4.74 V VDD = 4.75V, IO = –200µA l 4.0 V VOL Low Level Output Voltage VDD = 4.75V, IO = 160μA 0.05 V VDD = 4.75V, IO = 1.6mA l 0.10 0.4 V IOZ Hi-Z Output Leakage D13 to D0 VOUT = 0V to VDD, CS High l ±10 µA COZ Hi-Z Output Capacitance D13 to D0 CS High (Note 9) l 15 pF ISOURCE Output Source Current VOUT = 0V –10 mA ISINK Output Sink Current VOUT = VDD 10 mA
POWER REQUIREMENTS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VDD Positive Supply Voltage (Notes 10, 11) 4.75 5.25 V VSS Negative Supply Voltage (Note 10) Bipolar Only (VSS = 0V for Unipolar) –4.75 –5.25 V IDD Positive Supply Current Unipolar, RD High (Note 5 ) l 3.0 4.3 mA Bipolar, RD High (Note 5) l 3.9 4.5 µA Nap Mode SHDN = 0V, CS = 0V (Note 12) 570 µA Sleep Mode SHDN = 0V, CS = 5V (Note 12) 2 ISS Negative Supply Current Bipolar, RD High (Note 5) l 1.4 1.8 mA Nap Mode SHDN = 0V, CS = 0V (Note 12) 0.1 µA Sleep Mode SHDN = 0V, CS = 5V (Note 12) 0.1 µA PDIS Power Dissipation Unipolar l 15.0 21.5 mW Bipolar l 26.5 31.5 mW 1418fa 4 For more information www.linear.com/LTC1418 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Package/Order Information Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Digital Inputs and Outputs Power Requirements Timing Characteristics Typical Performance Characteristics Pin Functions Test Circuit Block Diagram Applications Information Package Description Package Description Revision History Typical Application Related Parts