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AD6645ASQ-80 Fiches technique(PDF) 6 Page - Analog Devices |
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AD6645ASQ-80 Fiches technique(HTML) 6 Page - Analog Devices |
6 / 20 page REV. 0 AD6645 –6– PIN CONFIGURATION 52 51 50 49 48 43 42 41 40 47 46 45 44 14 15 16 17 18 19 20 21 22 23 24 25 26 1 2 3 4 5 6 7 8 9 10 11 13 12 PIN 1 IDENTIFIER TOP VIEW (Not to Scale) 39 38 37 36 35 34 33 32 31 30 29 28 27 AD6645 DVCC GND VREF GND ENC ENC GND AVCC AVCC GND AIN AIN GND D3 D2 D1 D0 (LSB) DMID GND DVCC OVR DNC AVCC GND AVCC GND DNC = DO NOT CONNECT PIN FUNCTION DESCRIPTIONS Pin No. Mnemonic Function 1, 33, 43 DVCC 3.3 V Power Supply (Digital) Output Stage Only 2, 4, 7, 10, 13, GND Ground 15, 17, 19, 21, 23, 25, 27, 29, 34, 42 3 VREF 2.4 V Reference. Bypass to ground with a 0.1 mF microwave chip capacitor. 5 ENC Encode Input. Conversion initiated on rising edge. 6 ENC Complement of ENC, Differential Input 8, 9, 14, 16, 18, AVCC 5 V Analog Power Supply 22, 26, 28, 30 11 AIN Analog Input 12 AIN Complement of AIN, Differential Analog Input 20 C1 Internal Voltage Reference. Bypass to ground with a 0.1 mF chip capacitor. 24 C2 Internal Voltage Reference. Bypass to ground with a 0.1 mF chip capacitor. 31 DNC Do not connect this pin. 32 OVR * Over-Range Bit. A logic-level high indicates analog input exceeds ±FS. 35 DMID Output Data Voltage Midpoint. Approximately equal to (DVCC)/2. 36 D0 (LSB) Digital Output Bit (Least Significant Bit); Two’s Complement 37–41, 44–50 D1–D5, D6–D12 Digital Output Bits in Two’s Complement 51 D13 (MSB) Digital Output Bit (Most Significant Bit); Two’s Complement 52 DRY DataReady Output *The functionality of the Over-Range bit is specified for a temperature range of 25 ∞C to 85∞C only. |
Numéro de pièce similaire - AD6645ASQ-80 |
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Description similaire - AD6645ASQ-80 |
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