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AD9628 bảng dữ liệu(PDF) 18 Page - Analog Devices |
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AD9628 bảng dữ liệu(HTML) 18 Page - Analog Devices |
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18 / 43 page ![]() Data Sheet AD9628 Rev. C | Page 17 of 42 PIN 1 INDICATOR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 CLK+ CLK– SYNC NC NC NC NC NC NC DRVDD B D1–/D0– (LSB) B D1+/D0+ (LSB) B D3–/D2– B D3+/D2+ B D5–/D4– B D5+/D4+ PDWN OEB CSB SCLK/DFS SDIO/DCS OR+ OR– A D11+/D10+ (MSB) A D11–/D10– (MSB) A D9+/D8+ A D9–/D8– DRVDD A D7+/D6+ A D7–/D6– A D5+/D4+ A D5–/D4– 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 AD9628 CHANNEL MULTIPLEXED LVDS TOP VIEW (Not to Scale) NOTES 1. NC = NO CONNECT. DO NOT CONNECT TO THIS PIN. 2. 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. Figure 8. LFCSP Channel Multiplexed LVDS Pin Configuration (Top View) Table 10. Pin Function Descriptions (Channel Multiplexed Parallel LVDS Mode) Pin No. Mnemonic Type Description ADC Power Supplies 10, 19, 28, 37 DRVDD Supply Digital Output Driver Supply (1.8 V Nominal). 49, 50, 53, 54, 59, 60, 63, 64 AVDD Supply Analog Power Supply (1.8 V Nominal). 4, 5, 6, 7, 8, 9, 26, 27 NC Do Not Connect. 0 AGND, Exposed Pad Ground 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. ADC Analog 51 VIN+A Input Differential Analog Input Pin (+) for Channel A. 52 VIN−A Input Differential Analog Input Pin (−) for Channel A. 62 VIN+B Input Differential Analog Input Pin (+) for Channel B. 61 VIN−B Input Differential Analog Input Pin (−) for Channel B. 55 VREF Input/Output Voltage Reference Input/Output. 56 SENSE Input Reference Mode Selection. 58 RBIAS Input/Output External Reference Bias Resistor. Connect to 10 kΩ (1% tolerance) resistor to ground. 57 VCM Output Common-Mode Level Bias Output for Analog Inputs. 1 CLK+ Input ADC Clock Input—True. 2 CLK− Input ADC Clock Input—Complement. 3 SYNC Input Digital Synchronization Pin. Slave mode only. |
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