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AD9121 Arkusz danych(PDF) 10 Page - Analog Devices |
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AD9121 Arkusz danych(HTML) 10 Page - Analog Devices |
10 / 61 page Data Sheet AD9121 Rev. B | Page 9 of 60 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 CVDD18 DACCLKP DACCLKN CVSS FRAMEP FRAMEN IRQ D13P D13N NC IOVDD DVDD18 D12P D12N D11P D11N 17 D10P 18 D10N 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 RESET CS SCLK SDIO SDO DVDD18 NC NC NC/BYTELSBN NC/BYTELSBP DVSS DVDD18 D0N D0P D1N D1P D2N D2P PIN 1 INDICATOR AD9121 TOP VIEW (Not to Scale) NOTES 1. EXPOSED PAD (EPAD) MUST BE SOLDERED TO THE GROUND PLANE (AVSS). THE EPAD PROVIDES AN ELECTRICAL, THERMAL, AND MECHANICAL CONNECTION TO THE BOARD. 2. PINS LABELED NC CAN BE ALLOWED TO FLOAT, BUT IT IS BETTER TO CONNECT THESE PINS TO GROUND. AVOID ROUTING HIGH SPEED SIGNALS THROUGH THESE PINS BECAUSE NOISE COUPLING MAY RESULT. Figure 3. Pin Configuration Table 8. Pin Function Descriptions Pin No. Mnemonic Description 1 CVDD18 1.8 V Clock Supply. Supplies clock receivers, clock distribution, and PLL circuitry. 2 DACCLKP DAC Clock Input, Positive. 3 DACCLKN DAC Clock Input, Negative. 4 CVSS Clock Supply Common. 5 FRAMEP Frame Input, Positive. This pin must be tied to DVSS if not used. 6 FRAMEN Frame Input, Negative. This pin must be tiedto DVDD18 if not used. 7 IRQ Interrupt Request. Open-drain, active low output. Connect an external pull-up to IOVDD through a 10 kΩ resistor. 8 D13P Data Bit 13 (MSB), Positive. 9 D13N Data Bit 13 (MSB), Negative. 10 NC This pin is not connected internally (see Figure 3). 11 IOVDD Supply Pinfor Serial Port I/O Pins, RESET, and IRQ. 1.8 V to 3.3 V can be suppliedto this pin. 12 DVDD18 1.8 V Digital Supply. Supplies power to digital core and digital data ports. 13 D12P Data Bit 12, Positive. 14 D12N Data Bit 12, Negative. 15 D11P Data Bit 11, Positive. 16 D11N Data Bit 11, Negative. 17 D10P Data Bit 10, Positive. 18 D10N Data Bit 10, Negative. 19 D9P Data Bit 9, Positive. 20 D9N Data Bit 9, Negative. 21 D8P Data Bit 8, Positive. 22 D8N Data Bit 8, Negative. |
Podobny numer części - AD9121 |
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Podobny opis - AD9121 |
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