Datasheet AD7492 (Analog Devices) - 5

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AD7492 Parameter A Version1 B Version1 Unit Test Conditions/Comments
CONVERSION RATE Conversion Time 680 680 ns max Track/Hold Acquisition Time 120 120 ns min Throughput Rate 1.25 1.25 MSPS max Conversion time + acquisition time POWER REQUIREMENTS VDD 4.75/5.25 4.75/5.25 V min/max IDD Digital I/Ps = 0 V or DVDD Normal Mode 3.3 3.3 mA max fS = 1.25 MSPS, typ 2.75 mA Quiescent Current 1.8 1.8 mA max Partial Sleep Mode 250 250 μA max Static, typ 190 μA Full Sleep Mode 1 1 μA max Static, typ 200 nA Power Dissipation4 Digital I/Ps = 0 V or DVDD Normal Mode 16.5 16.5 mW max Partial Sleep Mode 1.25 1.25 mW max Full Sleep Mode 5 5 μW max 1 Temperature ranges as follows: A and B Versions: −40°C to +85°C. 2 VINH and VINL trigger levels are set by the VDRIVE voltage. The logic interface circuitry is powered by VDRIVE. 3 Sample tested @ 25°C to ensure compliance. 4 See the Power vs. Throughput section.
AD7492/AD7492-4
VDD = 2.7 V to 5.25 V, TA = TMIN to TMAX, unless otherwise noted.1
Table 2. Parameter A Version2 B Version2 Unit Test Conditions/Comments
DYNAMIC PERFORMANCE fS = 1 MSPS for AD7492 fS = 400 kSPS for AD7492-4 Signal-to-Noise and Distortion (SINAD) 69 69 dB typ fIN = 500 kHz sine wave3 68 68 dB min fIN = 100 kHz sine wave Signal-to-Noise Ratio (SNR) 70 70 dB typ fIN = 500 kHz sine wave3 68 68 dB min fIN = 100 kHz sine wave Total Harmonic Distortion (THD) −85 −85 dB typ fIN = 500 kHz sine wave3 −87 −87 dB typ fIN = 100 kHz sine wave −75 −75 dB max fIN = 100 kHz sine wave Peak Harmonic or Spurious-Free −86 −86 dB typ fIN = 500 kHz sine wave3 Dynamic Noise (SFDR) −90 −90 dB typ fIN = 100 kHz sine wave −76 −76 dB max fIN = 100 kHz sine wave Intermodulation Distortion (IMD) Second Order Terms −77 −77 dB typ fIN = 500 kHz sine wave3 −90 −90 dB typ fIN = 100 kHz sine wave Third Order Terms −69 −69 dB typ fIN = 500 kHz sine wave3 −88 −88 dB typ fIN = 100 kHz sine wave Aperture Delay 5 5 ns typ Aperture Jitter 15 15 ps typ Full Power Bandwidth 10 10 MHz typ Rev. A | Page 4 of 24 Document Outline FEATURES FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS AD7492-5 AD7492/AD7492-4 TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PEFORMANCE CHARACTERISTICS TERMINOLOGY CIRCUIT DESCRIPTION CONVERTER OPERATION TYPICAL CONNECTION DIAGRAM ADC TRANSFER FUNCTION AC ACQUISITION TIME DC ACQUISITION TIME ANALOG INPUT PARALLEL INTERFACE OPERATING MODES POWER-UP GROUNDING AND LAYOUT POWER SUPPLIES MICROPROCESSOR INTERFACING OUTLINE DIMENSIONS ORDERING GUIDE