link to page 8 AD7910/AD7920ABSOLUTE MAXIMUM RATINGS TA = 25°C, unless otherwise noted. Table 4. Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress Parameter Rating rating only; functional operation of the device at these or any VDD to GND −0.3 V to +7 V other conditions above those indicated in the operational Analog Input Voltage to GND −0.3 V to VDD + 0.3 V section of this specification is not implied. Exposure to absolute Digital Input Voltage to GND −0.3 V to +7 V maximum rating conditions for extended periods may affect Digital Output Voltage to GND −0.3 V to VDD + 0.3 V device reliability. Input Current to Any Pin Except Supplies1 ± 10 mA Operating Temperature Range Commercial (A, B Grade) −40°C to +85°C Storage Temperature Range −65°C to +150°C Junction Temperature 150°C MSOP Package θJA Thermal Impedance 205.9°C/W θJC Thermal Impedance 43.74°C/W SC70 Package θJA Thermal Impedance 340.2°C/W θJC Thermal Impedance 228.9°C/W Lead Temperature, Soldering Reflow (10 sec to 30 sec) 235 (0/+5)°C ESD 3.5 kV 1 Transient currents of up to 100 mA will not cause SCR latch-up. ESD CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although this product features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance degradation or loss of functionality. Rev. C | Page 8 of 24 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION PRODUCT HIGHLIGHTS SPECIFICATIONS AD7910 AD7920 TIMING SPECIFICATIONS TIMING EXAMPLES TIMING EXAMPLE 1 TIMING EXAMPLE 2 ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY CIRCUIT INFORMATION CONVERTER OPERATION ADC TRANSFER FUNCTION TYPICAL CONNECTION DIAGRAM ANALOG INPUT DIGITAL INPUTS MODES OF OPERATION NORMAL MODE POWER-DOWN MODE POWER-UP TIME POWER VS. THROUGHPUT RATE SERIAL INTERFACE MICROPROCESSOR INTERFACING AD7910/AD7920 TO TMS320C541 INTERFACE AD7910/AD7920 TO ADSP-218x AD7910/AD7920 TO DSP563xx INTERFACE APPLICATION HINTS GROUNDING AND LAYOUT EVALUATING PERFORMANCE OUTLINE DIMENSIONS ORDERING GUIDE
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