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ADC3683 データシート(PDF) 3 Page - Texas Instruments |
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ADC3683 データシート(HTML) 3 Page - Texas Instruments |
3 / 73 page 5 Pin Configuration and Functions 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 30 29 28 27 26 25 24 23 22 21 40 39 38 37 36 35 34 33 32 31 PDN/SYNC VREF REFGND REFBUF AVDD CLKP CLKM VCM RESET SDIO IOVDD IOVDD FCLKM FCLKP NC IOGND DCLKINP DCLKINM DCLKP DCLKM GND PAD (backside) Figure 5-1. RSB Package, 40-Pin WQFN, Top View Table 5-1. Pin Descriptions PIN I/O Description Name No. INPUT/REFERENCE AINP 12 I Positive analog input, channel A AINM 13 I Negative analog input, channel A BINP 39 I Positive analog input, channel B BINM 38 I Negative analog input, channel B VCM 8 O Common-mode voltage output for the analog inputs, 0.95V VREF 2 I External voltage reference input, 1.6V REFBUF 4 I 1.2V external voltage reference input for use with internal reference buffer. Internal 100 kΩ pull-up resistor to AVDD. This pin is also used to configure default operating conditions. REFGND 3 I Reference ground input CLOCK CLKP 6 I Positive differential sampling clock input for the ADC CLKM 7 I Negative differential sampling clock input for the ADC CONFIGURATION PDN/SYNC 1 I Power down/Synchronization input. This pin can be configured via the SPI interface. Active high. This pin has an internal 21 kΩ pull-down resistor. RESET 9 I Hardware reset. Active high. This pin has an internal 21 kΩ pull-down resistor. SEN 16 I Serial interface enable. Active low. This pin has an internal 21 kΩ pull-up resistor to AVDD. SCLK 35 I Serial interface clock input. This pin has an internal 21 kΩ pull-down resistor. SDIO 10 I/O Serial interface data input and output. This pin has an internal 21 kΩ pull-down resistor. NC 27 - Do not connect DIGITAL INTERFACE www.ti.com ADC3683 SBAS872 – DECEMBER 2020 Copyright © 2020 Texas Instruments Incorporated Submit Document Feedback 3 Product Folder Links: ADC3683 |
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同様の説明 - ADC3683 |
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