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AD9434BCPZRL7-500 Datasheet(PDF) 10 Page - Analog Devices |
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AD9434BCPZRL7-500 Datasheet(HTML) 10 Page - Analog Devices |
10 / 29 page Data Sheet AD9434 Rev. B | Page 9 of 28 PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS PIN 1 INDICATOR 1 D3– 2 D3+ 3 D4– 4 D4+ 5 D5– 6 D5+ 7 DRVDD 8 DRGND 9 D6– 10 D6+ 11 D7– 12 D7+ 13 D8– 14 D8+ 35 VIN+ 36 VIN– 37 AVDD 38 AVDD 39 AVDD 40 CML 41 AVDD 42 AVDD 34 AVDD 33 AVDD 32 AVDD 31 VREF 30 AVDD 29 PWDN TOP VIEW (Not to Scale) PIN 0 (EXPOSED PADDLE) = AGND AD9434 NOTES 1. DNC = DO NOT CONNECT. DO NOT CONNECT TO THIS PIN. 2. AGND AND DRGND SHOULD BE TIED TO A COMMON QUIET GROUND PLANE. 3. THE EXPOSED PADDLE MUST BE SOLDERED TO A GROUND PLANE. Figure 4. Pin Configuration—Single Data Rate Mode Table 7. Pin Function Descriptions—Single Data Rate Mode Pin No. Mnemonic Description 0 AGND1 Analog Ground. The exposed paddle must be soldered to a ground plane. 30, 32 to 34, 37 to 39, 41 to 43, 46 AVDD 1.8 V Analog Supply. 7, 24, 47 DRVDD 1.8 V Digital Output Supply. 8, 23, 48 DRGND1 Digital Output Ground. 35 VIN+ Analog Input—True. 36 VIN− Analog Input—Complement. 40 CML Common-Mode Output. Enabled through the SPI, this pin provides a reference for the optimized internal bias voltage for VIN+/VIN−. 44 CLK+ Clock Input—True. 45 CLK− Clock Input—Complement. 31 VREF Voltage Reference Internal/Input/Output. Nominally 0.75 V. 28 DNC Do Not Connect. Do not connect to this pin. This pin should be left floating. 25 SDIO Serial Port Interface (SPI) Data Input/Output (Serial Port Mode). 26 SCLK/DFS Serial Port Interface Clock (Serial Port Mode)/Data Format Select (External Pin Mode). 27 CSB Serial Port Chip Select (Active Low). 29 PWDN Chip Power-Down. 49 DCO− Data Clock Output—Complement. 50 DCO+ Data Clock Output—True. 51 D0− D0 Complement Output (LSB). 52 D0+ D0 True Output (LSB). 53 D1− D1 Complement Output. 54 D1+ D1 True Output. 55 D2− D2 Complement Output. 56 D2+ D2 True Output. 1 D3− D3 Complement Output. 2 D3+ D3 True Output. 3 D4− D4 Complement Output. |
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