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AD9237 数据表(PDF) 9 Page - Analog Devices |
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AD9237 数据表(HTML) 9 Page - Analog Devices |
9 / 25 page AD9237 Data Sheet Rev. C | Page 8 of 24 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS NOTES 1. DNC = DO NOT CONNECT. 2. IT IS RECOMMENDED THAT THE EXPOSED PADDLE BE SOLDERED TO THE GROUND PLANE. MODE2 CLK OE PDWN GC DNC D0 (LSB) D1 VREF SENSE MODE OTR D11 (MSB) D10 D9 D8 1 2 3 4 5 6 7 8 24 23 22 21 20 19 18 17 AD9237 TOP VIEW (Not to Scale) Figure 3. Pin Configuration Table 6. Pin Function Descriptions Pin Number Mnemonic Description 1 MODE2 SHA Gain Select and Power Scaling Control (see Table 8). 2 CLK Clock Input Pin. 3 OE Output Enable Pin (Active Low). 4 PDWN Power-Down Function Selection (see Table 9). 5 GC Gray Code Control (Active High). 6 DNC Do Not Connect. 7 to 14, 17 to 20 D0 (LSB) to D11 (MSB) Data Output Bits. 15 DGND Digital Output Ground. 16 DRVDD Digital Output Driver Supply. Must be decoupled to DGND with a minimum 0.1 μF capacitor. Recommended decoupling is 0.1 μF in parallel with 10 μF. 21 OTR Out-of-Range Indicator. 22 MODE Data Format and Clock Duty Cycle Stabilizer (DCS) Mode Selection (see Table 10). 23 SENSE Reference Mode Selection (see Table 7). 24 VREF Voltage Reference Input/Output (see Table 7). 25 REFB Differential Reference (−). Must be decoupled to REFT with a minimum 10 μF capacitor. 26 REFT Differential Reference (+). 27, 32 AVDD Analog Power Supply. Must be decoupled to AGND with a minimum 0.1 μF capacitor. Recommended decoupling is 0.1 μF in parallel with 10 μF. 28, 31 AGND Analog Ground. 29 VIN+ Analog Input Pin (+). 30 VIN− Analog Input Pin (−). EP It is recommended that the exposed paddle be soldered to the ground plane. There is an increased reliability of the solder joints and maximum thermal capability of the package is achieved with exposed paddle soldered to the customer board. |
类似零件编号 - AD9237_17 |
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类似说明 - AD9237_17 |
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