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AD9257-65EBZ Datasheet(PDF) 10 Page - Analog Devices |
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AD9257-65EBZ Datasheet(HTML) 10 Page - Analog Devices |
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10 / 41 page  Data Sheet AD9257 Rev. A | Page 9 of 40 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 AVDD VIN+ G VIN– G AVDD VIN– H VIN+ H AVDD AVDD CLK– CLK+ AVDD AVDD DNC DRVDD D– H D+ H AVDD VIN+ B VIN– B AVDD VIN– A VIN+ A AVDD PDWN CSB SDIO/DFS SCLK/DTP AVDD DNC DRVDD D+ A D– A 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 AD9257 TOP VIEW (Not to Scale) NOTES 1. DNC = DO NOT CONNECT. DO NOT CONNECT TO THIS PIN. 2. THE EXPOSED PAD MUST BE CONNECTED TO ANALOG GROUND. PIN 1 INDICATOR Figure 5. Pin Configuration, Top View Table 8. Pin Function Descriptions Pin No. Mnemonic Description 0, EP AGND, Exposed Pad Analog Ground, Exposed Pad. The exposed thermal pad on the bottom of the package provides the analog ground for the part. This exposed pad must be connected to ground for proper operation. 1, 4, 7, 8, 11, 12, 37, 42, 45, 48, 51, 59, 62 AVDD 1.8 V Analog Supply. 13, 36 DNC Do Not Connect. 14, 35 DRVDD 1.8 V Digital Output Driver Supply. 2, 3 VIN+ G, VIN− G ADC G Analog Input True, ADC G Analog Input Complement. 5, 6 VIN− H, VIN+ H ADC H Analog Input Complement, ADC H Analog Input True. 9, 10 CLK−, CLK+ Input Clock Complement, Input Clock True. 15, 16 D− H, D+ H ADC H Digital Output Complement, ADC H Digital Output True. 17, 18 D− G, D+ G ADC G Digital Output Complement, ADC G Digital Output True. 19, 20 D− F, D+ F ADC F Digital Output Complement, ADC F Digital Output True. 21, 22 D− E, D+ E ADC E Digital Output Complement, ADC E Digital Output True. 23, 24 DCO−, DCO+ Data Clock Digital Output Complement, Data Clock Digital Output True. 25, 26 FCO−, FCO+ Frame Clock Digital Output Complement, Frame Clock Digital Output True. 27, 28 D− D, D+ D ADC D Digital Output Complement, ADC D Digital Output True. 29, 30 D− C, D+ C ADC C Digital Output Complement, ADC C Digital Output True. 31, 32 D− B, D + B ADC B Digital Output Complement, ADC B Digital Output True. 33, 34 D− A, D+ A ADC A Digital Output Complement, ADC A Digital Output True. 38 SCLK/DTP Serial Clock (SCLK)/Digital Test Pattern (DTP). 39 SDIO/DFS Serial Data Input/Output (SDIO)/Data Format Select (DFS). 40 CSB Chip Select Bar. 41 PDWN Power-Down. 43, 44 VIN+ A, VIN− A ADC A Analog Input True, ADC A Analog Input Complement. 46, 47 VIN− B, VIN+ B ADC B Analog Input Complement, ADC B Analog Input True. 49, 50 VIN+ C, VIN− C ADC C Analog Input True, ADC C Analog Input Complement. 52, 53 VIN− D, VIN+ D ADC D Analog Input Complement, ADC D Analog Input True. |
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