Data SheetAD7357ABSOLUTE MAXIMUM RATINGS Table 4. Stresses at or above those listed under Absolute Maximum Parameter Rating Ratings may cause permanent damage to the product. This is a V stress rating only; functional operation of the product at these DD to AGND, DGND, REFGND −0.3 V to +3 V V or any other conditions above those indicated in the operational DRIVE to AGND, DGND, REFGND −0.3 V to +5 V V section of this specification is not implied. Operation beyond DD to VDRIVE −5 V to +3 V 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 + 0.3V ESD CAUTION Digital Output Voltages3 to DGND −0.3 V to VDRIVE + 0.3 V Input Current to Any Pin Except Supplies4 ±10 mA Operating Temperature Range AD7357Y −40°C to +125°C AD7357B (TSSOP) −40°C to +85°C AD7357B (LFCSP) −40°C to +125°C AD7357WY −40°C to +125°C Storage Temperature Range −65°C to +150°C Junction Temperature 150°C TSSOP Package θJA Thermal Impedance 143°C/W θJC Thermal Impedance 45°C/W LFCSP Package θJA Thermal Impedance 44°C/W θJC Thermal Impedance 22°C/W Lead Temperature, Soldering Reflow Temperature (10 sec to 30 sec) 255°C ESD 2 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. E | Page 7 of 24 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION PRODUCT HIGHLIGHTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION CIRCUIT INFORMATION CONVERTER OPERATION ANALOG INPUT STRUCTURE ANALOG INPUTS DRIVING DIFFERENTIAL INPUTS Differential Amplifier Operational Amplifier 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 SUGGESTIONS GROUNDING AND LAYOUT EVALUATING THE AD7357 PERFORMANCE OUTLINE DIMENSIONS ORDERING GUIDE AUTOMOTIVE PRODUCTS
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