Datasheet LTC1605 (Analog Devices) - 4

LTC1605
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) LTC1605/LTC1605A PARAMETER CONDITIONS MIN TYP MAX UNITS
VREF Output Voltage IOUT = 0 l 2.470 2.500 2.520 V VREF Output Tempco IOUT = 0 ±5 ppm/°C Internal Reference Source Current 1 µA External Reference Voltage for Specified Linearity (Notes 9, 10) 2.30 2.50 2.70 V External Reference Current Drain Ext. Reference = 2.5V (Note 9) l 100 µA CAP Output Voltage IOUT = 0 2.50 V
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) LTC1605/LTC1605A 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 5 pF VOH High Level Output Voltage VDD = 4.75V IO = –10µA 4.5 V IO = –200µA l 4.0 V VOL Low Level Output Voltage VDD = 4.75V IO = 160µA 0.05 V IO = 1.6mA l 0.10 0.4 V IOZ Hi-Z Output Leakage D15 to D0 VOUT = 0V to VDD, CS High l ±10 µA COZ Hi-Z Output Capacitance D15 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 1605fd 4 For more information www.linear.com/LTC1605 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Digital Inputs and Outputs Timing Characteristics Power Requirements Typical Performance Characteristics Pin Functions Test Circuit Functional Block Diagram Applications Information Package Description Revision History Package Description Related Parts