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AD7738BRU Arkusz danych(PDF) 6 Page - Analog Devices |
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AD7738BRU Arkusz danych(HTML) 6 Page - Analog Devices |
6 / 28 page REV. 0 –6– AD7738 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 the AD7738 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. ABSOLUTE MAXIMUM RATINGS * (TA = 25 C unless otherwise noted.) AVDD to AGND, DVDD to DGND . . . . . . . . . –0.3 V to +7 V AGND to DGND . . . . . . . . . . . . . . . . . . . . . –0.3 V to +0.3 V AVDD to DVDD . . . . . . . . . . . . . . . . . . . . . . . . . . –5 V to +5 V AIN, AINCOM to AGND . . . . . . . . . –0.3 V to AVDD + 0.3 V REFIN(+), REFIN(–) to AGND . . . . . –0.3 V to AVDD + 0.3 V MUXOUT(+) to AGND . . . . . . . . . . . –0.3 V to AVDD + 0.3 V MUXOUT(–) to AGND . . . . . . . . . . . –0.3 V to AVDD + 0.3 V ADCIN(+), ADCIN(–) to AGND . . . . –0.3 V to AVDD + 0.3 V P1 Voltage to AGND . . . . . . . . . . . . . . –0.3 V to AVDD + 0.3 V Digital Input Voltage to DGND . . . . . –0.3 V to AVDD + 0.3 V Digital Output Voltage to DGND . . . . –0.3 V to AVDD + 0.3 V Operating Temperature Range . . . . . . . . . . –40 C to +105 C Storage Temperature Range . . . . . . . . . . . . –65 C to +150 C Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . 150 C TSSOP Package, Power Dissipation . . . . . . . . . . . . . 660 mW JA Thermal Impedance . . . . . . . . . . . . . . . . . . . . . . 97.9 C/W Lead Temperature, Soldering Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . . . 215 C Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220 C *Stresses above those listed under Absolute Maximum Ratings may cause perma- nent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. SCLK DIN DOUT CS RDY RESET SERIAL INTERFACE CONTROL LOGIC AIN4 AIN5 AIN6 AIN7 MUX AINCOM/P0 AIN0 AIN1 AIN2 AIN3 DGND DVDD REFERENCE DETECT REFIN– REFIN+ I/O PORT SYNC/P1 CLOCK GENERATOR MCLKIN MCLKOUT MUXOUT ADCIN AGND AVDD 24-BIT - ADC BUFFER AD7738 CALIBRATION CIRCUITRY DVDD AVDD Figure 4. Block Diagram ORDERING GUIDE Temperature Package Package Model Range Description Options AD7738BRU –40 C to +105 CTSSOP 28 RU-28 |
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