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AD9048TQ-883B Arkusz danych(PDF) 5 Page - Analog Devices |
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AD9048TQ-883B Arkusz danych(HTML) 5 Page - Analog Devices |
5 / 8 page AD9048 –5– REV. F PIN FUNCTION DESCRIPTIONS 1k LOAD RESISTORS 0.1 F (MSB) D1 D2 D3 D4 D5 D6 D7 (LSB) D8 ANALOG GROUND DIGITAL GROUND VEE VCC +5.0V –5.2V VIN ALL RESISTORS 5% ALL CAPACITORS 20% ALL SUPPLY VOLTAGES 5% OPTION #1 (STATIC): AD1 = –2.0V; AD2 = +2.4V OPTION #2 (DYNAMIC): SEE WAVEFORMS 0V –2.0V VIH VIL 5 s RT RB CONVERT 100 510 AD1 AD2 –2.0V 0.1 F AD1 AD2 640 s AD9048 Figure 2. Burn-In Diagram Mnemonic Description D1–D8 Eight Digital Outputs. D1 (MSB) is the most significant bit of the digital output word; D8 (LSB) is the least significant bit. AGND One of Two Analog Ground Returns. Both grounds should be connected together and to low impedance ground plane near the AD9048. DGND One of Two Digital Ground Returns. Both grounds should be connected together and to low impedance ground plane near the AD9048. VCC Positive Supply Terminals; Nominally 5.0 V VEE Negative Supply Terminals; Nominally –5.2 V CONVERT Input for Conversion Signal. Sample of analog input signal taken on rising edge of this pulse. Mnemonic Description RB Most Negative Reference Voltage for Internal Reference Ladder RM Midpoint Tap on Internal Reference Ladder RT Most Positive Reference Voltage for Internal Reference Ladder VIN Analog Input Signal Pin NMINV “Not Most Significant Bit Invert.” In normal operation, this pin floats high; logic LOW at NMINV inverts most significant bit of digital output word [D1 (MSB)]. NLINV “Not Least Significant Bit Invert.” In normal operation, this pin floats high; logic LOW at NLINV inverts the seven least significant bits of the digital output word. |
Podobny numer części - AD9048TQ-883B |
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Podobny opis - AD9048TQ-883B |
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