AD7356Data SheetABSOLUTE MAXIMUM RATINGS Table 4. Stresses at or above those listed under Absolute Maximum ParameterRating Ratings may cause permanent damage to the product. This is a VDD to AGND, DGND, REFGND −0.3 V to +3 V stress rating only; functional operation of the product at these VDRIVE to AGND, DGND, REFGND −0.3 V to +5 V or any other conditions above those indicated in the operational VDD to VDRIVE −5 V to +3 V section of this specification is not implied. Operation beyond AGND to DGND to REFGND −0.3 V to +0.3 V the maximum operating conditions for extended periods may Analog Input Voltages1 to AGND −0.3 V to VDD + 0.3 V affect product reliability. Digital Input Voltages2 to DGND −0.3 V to VDRIVE + 0.3 V Digital Output Voltages3 to DGND −0.3 V to VDRIVE + 0.3 V ESD CAUTION Input Current to Any Pin Except Supply Pins4 ±10 mA Operating Temperature Range Y Grade −40°C to +125°C B Grade −40°C to +85°C Storage Temperature Range −65°C to +150°C Junction Temperature 150°C TSSOP θJA Thermal Impedance 143°C/W θJC Thermal Impedance 45°C/W Lead Temperature, Soldering Reflow Temperature (10 sec to 30 sec) 255°C ESD 1.5 kV 1 Analog input voltages are VINA+, VINA−, VINB+, VINB−, REFA, and REFB. 2 Digital input voltages are CS and SCLK. 3 Digital output voltages are SDATAA and SDATAB. 4 Transient currents of up to 100 mA do not cause SCR latch-up. Rev. B | Page 6 of 20 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION CIRCUIT INFORMATION CONVERTER OPERATION ANALOG INPUT STRUCTURE ANALOG INPUTS DRIVING DIFFERENTIAL INPUTS Differential Amplifier Op Amp Pair VOLTAGE REFERENCE ADC TRANSFER FUNCTION MODES OF OPERATION NORMAL MODE PARTIAL POWER-DOWN MODE FULL POWER-DOWN MODE POWER-UP TIMES POWER vs. THROUGHPUT RATE SERIAL INTERFACE APPLICATION HINTS GROUNDING AND LAYOUT EVALUATING THE AD7356 PERFORMANCE OUTLINE DIMENSIONS ORDERING GUIDE
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