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AD6640AST Fiches technique(PDF) 6 Page - Analog Devices |
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AD6640AST Fiches technique(HTML) 6 Page - Analog Devices |
6 / 25 page AD6640 –5– REV. A PIN FUNCTION DESCRIPTIONS Pin No. Name Function 1, 2, 36, 37, 40, 41 DVCC 3.3 V/5 V Power Supply (Digital). Powers output stage only. 3 ENCODE Encode Input. Data conversion initiated on rising edge. 4 ENCODE Complement of ENCODE. Drive differentially with ENCODE or bypass to ground for single-ended clock mode. See Encoding the AD6640 section. 5, 6, 13, 14, 17, 18, 21, GND Ground 22, 24, 34, 35, 38, 39 7 AIN Analog Input 8 AIN Complement of Analog Input 9VREF Internal Voltage Reference. Nominally 2.4 V. Bypass to ground with 0.1 µF + 0.01 µF microwave chip capacitor. 10 C1 Internal Bias Point. Bypass to ground with 0.01 µF capacitor. 11, 12, 15, 16, 19, 20 AVCC 5 V Power Supply (Analog) 23 NC No Connect 25 D0 (LSB) Digital Output Bit (Least Significant Bit) 26–33 D1–D8 Digital Output Bits 42, 43 D9–D10 Digital Output Bits 44 D11 (MSB)* Digital Output Bit (Most Significant Bit) *Output coded as twos complement. PIN CONFIGURATION 3 4 5 6 7 1 2 10 11 8 9 40 39 38 41 42 43 44 36 35 34 37 29 30 31 32 33 27 28 25 26 23 24 12 13 14 15 16 17 18 19 20 21 22 PIN 1 TOP VIEW (Not to Scale) D8 D7 D6 D5 D4 D3 D2 AD6640 DVCC DVCC ENCODE ENCODE GND GND AIN NC = NO CONNECT VREF C1 AVCC D1 D0 (LSB) GND NC AIN |
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Description similaire - AD6640AST |
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