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AD7390 Fiches technique(PDF) 4 Page - Analog Devices |
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AD7390 Fiches technique(HTML) 4 Page - Analog Devices |
4 / 12 page REV. A AD7390/AD7391 –4– PIN DESCRIPTIONS Pin No. Name Function 1 LD Load Strobe. Transfers shift register data to DAC register while active low. See truth table for operation. 2 CLK Clock Input. Positive edge clocks data into shift register. 3 SDI Serial Data Input. Data loads directly into the shift register. 4 CLR Resets DAC register to zero condition. Active low input. 5 GND Analog and Digital Ground. 6VOUT DAC Voltage Output. Full-scale output 1 LSB less than reference input voltage REF. 7VDD Positive Power Supply Input. Specified range of operation 2.7 V to 5.5 V. 8VREF DAC Reference Input Pin. Establishes DAC full-scale voltage. ABSOLUTE MAXIMUM RATINGS * VDD to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V, 8 V VREF to GND . . . . . . . . . . . . . . . . . . . . . . 0.3 V, VDD 0.3 V Logic Inputs to GND . . . . . . . . . . . . . . . . . . . . . 0.3 V, 8 V VOUT to GND . . . . . . . . . . . . . . . . . . . . 0.3 V, VDD 0.3 V IOUT Short Circuit to GND . . . . . . . . . . . . . . . . . . . . . . 50 mA Package Power Dissipation . . . . . . . . . . . . . (TJ MAX TA)/ θ JA Thermal Resistance θJA 8-Lead Plastic DIP Package (N-8) . . . . . . . . . . . . . 103 °C/W 8-Lead SOIC Package (SO-8) . . . . . . . . . . . . . . . . 158 °C/W TSSOP-8 Package (RU-8) . . . . . . . . . . . . . . . . . . . 240 °C/W Maximum Junction Temperature (TJ MAX) . . . . . . . . . . 150 °C Operating Temperature Range . . . . . . . . . . 40 °C to 85°C AD7391AR . . . . . . . . . . . . . . . . . . . . . . . . 40 °C to 125°C Storage Temperature Range . . . . . . . . . . . 65 °C to 150°C Lead Temperature (Soldering, 10 secs) . . . . . . . . . . . . . 300 °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 specification is not implied. Exposure to the above maximum rating conditions for extended periods may affect device reliability. DAC REGISTER RESET LOAD CLK 12-BIT AD7390* SHIFT REGISTER D CLR LD CLK SDI 12 *AD7391 HAS A 10-BIT SHIFT REGISTER Figure 3. Digital Control Logic PIN CONFIGURATIONS TOP VIEW (Not to Scale) 1 2 3 4 8 7 6 5 TOP VIEW (Not to Scale) 8 7 6 5 1 2 3 4 TOP VIEW (Not to Scale) 8 7 6 5 1 2 3 4 LD CLK CLR SDI GND VREF VDD VOUT TSSOP-8 SO-8 P-DIP-8 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 AD7390/AD7391 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. WARNING! ESD SENSITIVE DEVICE ORDERING GUIDE 1 Temperature Package Package Top Number of Devices Model Resolution Range Description Option Mark 2 Per Container AD7390AN 12 40 °C to 85°C 8-Lead P-DIP N-8 AD7390 2 50 AD7390AR 12 40 °C to 85°C 8-Lead SOIC SO-8 AD7390 3 196 AD7390AR-REEL7 12 40 °C to 85°C 8-Lead SOIC SO-8 AD7390 3 1000 AD7391AN 10 40 °C to 85°C 8-Lead P-DIP N-8 AD7391 2 50 AD7391AR 10 40 °C to 125°C 8-Lead SOIC SO-8 AD7391 3 196 AD7391SR 10 55 °C to 125°C 8-Lead SOIC SO-8 AD7391 3 39 AD7391ARU-REEL 10 40 °C to 85°C TSSOP-8 RU-8 AD7391A 4 2500 NOTES 1The AD7390 contains 588 transistors. The die size measures 70 mm 68 mm. 2Line 1 contains ADI logo symbol and part number. Line 2 contains grade and date code YWW. Line 3 contains the letter G plus the 4-digit lot number. 3Line 1 contains part number. Line 2 contains grade and date code YWW. Line 3 contains the letter G plus the 4-digit lot number and the ADI logo symbol. 4Line 1 contains the date code YWW. Line 2 contains the 4-digit part number plus grade. |
Numéro de pièce similaire - AD7390 |
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Description similaire - AD7390 |
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