link to page 11 link to page 9 link to page 12 AD7829-1ParameterVersion BUnitTest Conditions/Comments LOGIC OUTPUTS Output High Voltage, VOH ISOURCE = 200 μA 4 V min VDD = 5 V ± 10% 2.4 V min VDD = 3 V ± 10% Output Low Voltage, VOL ISINK = 200 μA 0.4 V max VDD = 5 V ± 10% 0.2 V max VDD = 3 V ± 10% High Impedance Leakage Current ±1 μA max High Impedance Capacitance 10 pF max CONVERSION RATE Track/Hold Acquisition Time 200 ns max See Circuit Description section Conversion Time 420 ns max POWER SUPPLY REJECTION VDD ± 10% ±1 LSB max POWER REQUIREMENTS VDD 4.5 V min 5 V ± 10%; for specified performance 5.5 V max VDD 2.7 V min 3 V ± 10%; for specified performance 3.3 V max IDD Normal Operation 12 mA max 8 mA typically Power-Down 5 μA max Logic inputs = 0 V or VDD 0.2 μA typ Power Dissipation VDD = 3 V Normal Operation 36 mW max Typically 24 mW Power-Down 200 kSPS 9.58 mW typ 500 kSPS 23.94 mW typ 1 See the Terminology section of this data sheet. 2 Refer to the Analog Input section for an explanation of the analog input(s). Rev. 0 | Page 4 of 20 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING CHARACTERISTICS TIMING DIAGRAM ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TERMINOLOGY CIRCUIT INFORMATION CIRCUIT DESCRIPTION TYPICAL CONNECTION DIAGRAM ADC TRANSFER FUNCTION ANALOG INPUT POWER-UP TIMES POWER VS. THROUGHPUT OPERATING MODES PARALLEL INTERFACE MICROPROCESSOR INTERFACING AD7829-1 TO 8051 AD7829-1 TO PIC16C6x/PIC16C7x AD7829-1 TO ADSP-21xx INTERFACING MULTIPLEXER ADDRESS INPUTS OUTLINE DIMENSIONS ORDERING GUIDE