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AD9958 数据表(PDF) 9 Page - Analog Devices |
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AD9958 数据表(HTML) 9 Page - Analog Devices |
9 / 40 page AD9958 Rev. 0 | Page 9 of 40 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS PIN 1 INDICATOR NC = NO CONNECT 1 SYNC_IN 2 SYNC_OUT 3 MASTER_RESET 4 PWR_DWN_CTL 5 AVDD 6 AGND 7 AVDD 8 CH0_IOUT 9 CH0_IOUT 10 AGND 11 AVDD 12 AGND 13 CH1_IOUT 14 CH1_IOUT 35 AVDD 36 AVDD 37 AVDD 38 NC 39 AVDD 40 P0 41 P1 42 P2 34 NC 33 AVDD 32 NC 31 AVDD 30 AVDD 29 AVDD TOP VIEW (Not to Scale) AD9958 NOTES 1. THE EXPOSED EPAD ON BOTTOM SIDE OF PACKAGE IS AN ELECTRICAL CONNECTION AND MUST BE SOLDERED TO GROUND. 2. PIN 49 IS DVDD_IO AND IS TIED TO 3.3V. Figure 5. Pin Configuration Table 3. Pin Function Descriptions Pin No. Mnemonic I/O Description 1 SYNC_IN I Used to Synchronize Multiple AD9958s. Connects to the SYNC_OUT pin of the master AD9958 device. 2 SYNC_OUT O Used to Synchronize Multiple AD9958s. Connects to the SYNC_IN pin of the slave AD9958 devices. 3 MASTER_RESET I Active High Reset Pin. Asserting the MASTER_RESET pin forces the AD9958’s internal registers to their default state, as described in the Register Map. 4 PWR_DWN_CTL I External Power-Down Control. 5, 7, 11, 15, 19, 21, 26, 29, 30, 31, 33, 35, 36, 37, 39 AVDD I Analog Power Supply Pins (1.8 V). 6, 10, 12, 16, 18, 20, 25 AGND I Analog Ground Pins. 45, 55 DVDD I Digital Power Supply Pins (1.8 V). 44, 56 DGND I Digital Power Ground Pins. 8 CH0_IOUT O True DAC Output. Terminates into AVDD. 9 CH0_IOUT O Complementary DAC Output. Terminates into AVDD. 13 CH1_IOUT O True DAC Output. Terminates into AVDD. 14 CH1_IOUT O Complementary DAC Output. Terminates into AVDD. 17 DAC_RSET I Establishes the Reference Current for all DACs. A 1.91 kΩ resistor (nominal) is connected from Pin 17 to AGND. 22 REF_CLK I Complementary Reference Clock/Oscillator Input. When the REF_CLK is operated in single-ended mode, this pin should be decoupled to AVDD or AGND with a 0.1 µF capacitor. 23 REF_CLK I Reference Clock/Oscillator Input. When the REF_CLK is operated in single-ended mode, this is the input. See Modes of Operation section for the reference clock configuration. |
类似零件编号 - AD9958 |
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类似说明 - AD9958 |
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