Datasheet AD9238 (Analog Devices) - 8

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AD9238 ABSOLUTE MAXIMUM RATINGS
Absolute maximum ratings are limiting values to be applied
EXPLANATION OF TEST LEVELS
individually, and beyond which the serviceability of the circuit I 100% production tested. may be impaired. Functional operability is not necessarily implied. II 100% production tested at 25°C and sample tested at specified temperatures. Exposure to absolute maximum rating conditions for an extended III Sample tested only. period may affect device reliability. IV Parameter is guaranteed by design and characterization
Table 5.
testing.
Parameter Rating
V Parameter is a typical value only. ELECTRICAL VI 100% production tested at 25°C; guaranteed by design and AVDD to AGND −0.3 V to +3.9 V characterization testing for industrial temperature range; 100% production tested at temperature extremes for DRVDD to DRGND −0.3 V to +3.9 V military devices. AGND to DRGND −0.3 V to +0.3 V AVDD to DRVDD −3.9 V to +3.9 V Digital Outputs to DRGND −0.3 V to DRVDD + 0.3 V
ESD CAUTION
OEB, DFS, CLK, DCS, MUX_SELECT, −0.3 V to AVDD + 0.3 V SHARED_REF to AGND VINA, VINB to AGND −0.3 V to AVDD + 0.3 V VREF to AGND −0.3 V to AVDD + 0.3 V SENSE to AGND −0.3 V to AVDD + 0.3 V REFB, REFT to AGND −0.3 V to AVDD + 0.3 V PDWN to AGND −0.3 V to AVDD + 0.3 V ENVIRONMENTAL1 Operating Temperature −40°C to +85°C Junction Temperature 150°C Lead Temperature (10 sec) 300°C Storage Temperature −65°C to +150°C 1 Typical thermal impedances: 64-lead LQFP, θJA = 54°C/W; 64-lead LFCSP, θJA = 26.4°C/W with heat slug soldered to ground plane. These measurements were taken on a 4-layer board in still air, in accordance with EIA/JESD51-7. Rev. C | Page 7 of 48 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS DC SPECIFICATIONS AC SPECIFICATIONS DIGITAL SPECIFICATIONS SWITCHING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS EXPLANATION OF TEST LEVELS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TERMINOLOGY TYPICAL PERFORMANCE CHARACTERISTICS EQUIVALENT CIRCUITS THEORY OF OPERATION ANALOG INPUT Differential Input Configurations Single-Ended Input Configuration CLOCK INPUT AND CONSIDERATIONS POWER DISSIPATION AND STANDBY MODE DIGITAL OUTPUTS TIMING DATA FORMAT VOLTAGE REFERENCE Internal Reference Connection External Reference Operation AD9238 LQFP EVALUATION BOARD CLOCK CIRCUITRY ANALOG INPUTS REFERENCE CIRCUITRY DIGITAL CONTROL LOGIC OUTPUTS LQFP EVALUATION BOARD BILL OF MATERIALS (BOM) LQFP EVALUATION BOARD SCHEMATICS LQFP PCB LAYERS DUAL ADC LFCSP PCB POWER CONNECTOR ANALOG INPUTS OPTIONAL OPERATIONAL AMPLIFIER CLOCK VOLTAGE REFERENCE DATA OUTPUTS LFCSP EVALUATION BOARD BILL OF MATERIALS (BOM) LFCSP PCB SCHEMATICS LFCSP PCB LAYERS THERMAL CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE