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AD9975 Fiches technique(PDF) 5 Page - Analog Devices |
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AD9975 Fiches technique(HTML) 5 Page - Analog Devices |
5 / 20 page REV. 0 AD9975 –5– CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although the AD9975 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance degradation or loss of functionality. WARNING! ESD SENSITIVE DEVICE PIN CONFIGURATION 1 OSC IN 2 SENABLE 3 SCLK 4 SDATA 5 AVDD 6 AVSS 7 TX+ 8 TX– 9 AVSS 10 FS ADJ 11 REFIO 12 CLKVDD 36 DRVSS 35 DRVDD 34 RXBOOST/SDO 33 CLKOUT2 32 RXCLK 31 TXCLK 30 TXEN 29 RXEN 28 ADIO0 27 ADIO1 26 ADIO2 25 ADIO3 AD9975 48-PIN LQFP TOP VIEW (Not to Scale) PIN FUNCTION DESCRIPTION Pin No. Mnemonic Function 1OSC IN Crystal Oscillator Inverter Input 2 SENABLE Serial Bus Enable Input 3 SCLK Serial Bus Clock Input 4 SDATA Serial Bus Data I/O 5, 38, 47 AVDD Analog 3.3 V Power Supply 6, 9, 39, 42, AVSS Analog Ground 43, 46 7Tx+ Transmit DAC + Output 8 Tx– Transmit DAC – Output 10 FS ADJ DAC Full-Scale Output Current Adjust with External Resistor 11 REFIO DAC Band Gap Decoupling Node 12 CLKVDD Power Supply for CLKOUT1 13 DVSS Digital Ground 14 DVDD Digital 3.3 V Power Supply 15–17 AGC[2:0] AGC Control Inputs 18 CLKOUT1 Auxiliary Clock Output 19–28 ADIO[9:0] Digital Data I/O Port 29 RXEN ADIO Direction Control Input 30 TXEN TX Path Enable 31 TXCLK ADIO Sample Clock Input 32 RXCLK ADIO Request Clock Input 33 CLKOUT2 Auxiliary Clock Output 34 RXBOOST/ External Gain Control Output/ SDO Serial Data Output 35 DRVDD Digital I/O 3.3 V Power Supply 36 DRVSS Digital I/O Ground 37 RESET Reset Input 40, 41 REFB, REFT ADC Reference Decoupling Node 44 Rx+ Receive Path + Input 45 Rx– Receive Path – Input 48 XTAL Crystal Oscillator Inverter Output ORDERING GUIDE Model Temperature Range Package Description Package Option AD9975ABST –40ºC to +85ºC 48-Lead LQFP ST-48 AD9975ABSTEB –40ºC to +85ºC AD9975 EVAL Board AD9975ABSTRL –40ºC to +85ºC AD9975ABST Reel |
Numéro de pièce similaire - AD9975 |
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Description similaire - AD9975 |
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