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AD9856/PCB 数据表(PDF) 29 Page - Analog Devices |
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AD9856/PCB 数据表(HTML) 29 Page - Analog Devices |
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29 / 32 page ![]() AD9856 –29– REV. B DVDD +12V +3.3V GND C3 10 F C29 0.1 F C24 0.1 F C30 0.1 F C31 0.1 F C4 10 F C27 0.1 F C22 0.1 F C25 0.1 F C14 0.1 F C8 0.1 F C5 0.1 F C20 0.1 F C1 10 F C2 10 F AVDD GND W2 VCC 2Y4 2Y3 2Y2 2Y1 1Y4 1Y3 1Y2 1Y1 2A4 2A3 2A2 2A1 1A4 1A3 1A2 1A1 GND U6 74HC244A 1G 2G 17 15 13 11 8 6 4 2 10 20 3 5 7 9 12 14 16 18 +3.3V +3.3V GND W3 +3.3V 74HC132 1A 1B 1Y 2A 2B 2Y DGND DVDD 4B 4A 4Y 3B 3A 3Y U8 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 CS RBE +3.3V RBE SDIO +3.3V SDO GND P2 74HC125A 1G 1A 1Y 2G 2A 2Y GND VCC 4G 4A 4Y 3G 3A 3Y U3 14 13 12 11 10 9 8 1 2 3 4 5 6 7 RBE VCC Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 CLOCK OE D0 D1 D2 D3 D4 D5 D6 D7 GND U7 74HC574 +3.3V R8 10k +3.3V R11 10k R10 10k SCLK CS SYNC I/O RST PS0 PS1 GND RBE +3.3V RBE LATCH SCLK SDIO RST SYNC I/O E23 E24 E16 19 1 E17 E18 E19 48 47 46 45 44 43 42 41 40 39 38 37 J3 RST SYNC I/O J8 SCLK J4 SDO J14 CACLK J6 J7 J5 R7 50 PS0 PS1 CAENB R1 3.92 GND DVDD C17 7pF C18 33pF C19 22pF L1 120nH L2 100nH L3 100nH C10 68pF C11 100pF C12 82pF C13 56pF J9 C16 0.01 F R5 1.3k C15 0.1 F 13 THRU 20 ARE NC 21 THRU 40 ARE GND J2 TxENABLE D11 D10 DVDD DGND D9 D8 D7 D6 DVDD DGND D5 CA DATA CA ENABLE PLL SUPPLY PLL FILTER PLL GND AGND IOUT IOUTB AGND AVDD DAC REF BYPASS DAC RSET 36 35 34 33 32 31 30 29 28 27 26 25 J10 13 14 15 16 17 18 19 20 21 22 23 24 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 20 GND DVDD P1 DUT AD9856 SDIO J15 GND W6 W5 W4 CADAT AVDD C9 0.1 F W7 AVDD R3 25 R4 50 C7 0.1 F AVDD J1 W8 CS GND W1 E14 E15 E12 E13 W9 E10 E11 E7 E9 E6 E4 E5 E8 E2 E3 E1 P3 GND +3.3V +12V 1 2 3 4 5 AVDD DVDD W10 E25 E26 +3.3V CADATA 20 19 18 17 16 15 14 13 12 11 1 2 3 4 5 6 7 8 9 10 VCC1 VIN VREF VCC GND 1 GND 2 BYP GND 3 GND 4 GND 5 SDATA CLK DATEN GND VOCM PD +12V +12V +12V VOUT U4 AD8320/21 C28 0.1 F +12V CACLK CAEN R9 62 J13 +12V J12 C23 0.1 F 75 OUTPUT J11 GND W11 PODN R6 1.3k C26 0.1 F C21 0.1 F E20 E21 E22 REFCLKIN TxENABLE RBE SDO 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 65MHz LOW PASS FILTER POWER DOWN CONTROL 50 INPUT 0.1 F RESET 14 13 12 11 10 9 8 1 2 3 4 5 6 7 NC = NO CONNECT Figure 41. AD9856/PCB Evaluation Board Electrical Schematic |
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