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ADC3641 数据表(PDF) 4 Page - Texas Instruments |
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ADC3641 数据表(HTML) 4 Page - Texas Instruments |
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4 / 77 page ![]() Table 5-1. Pin Functions (continued) PIN I/O DESCRIPTION NAME NO. SCLK 35 I Serial interface clock input. This pin has an internal 21 kΩ pull-down resistor. SDIO 10 I Serial interface data input and output. 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. DIGITAL INTERFACE DA0 17 O CMOS digital data output. DA1 18 I/O CMOS digital data output. Used as FCLK frame clock output for serialized CMOS output modes. Configured using SPI. DA2 19 O CMOS digital data output. DA3 20 O CMOS digital data output. DA4 22 O CMOS digital data output. DA5 23 O CMOS digital data output. DA6 24 O CMOS digital data output. DB0 34 O CMOS digital data output. DB1 33 I/O CMOS digital data output. Used as DCLKIN bit clock input for serialized CMOS output modes. Configured using SPI. DB2 32 O CMOS digital data output. DB3 31 O CMOS digital data output. DB4 29 O CMOS digital data output. DB5 28 O CMOS digital data output. DB6 27 O CMOS digital data output. DCLK 25 O CMOS output for data bit clock. POWER SUPPLY AVDD 5,15,36 I Analog 1.8-V power supply GND 11,14,37,40, PowerPAD I Ground, 0 V IOGND 26 I Ground, 0 V for digital interface IOVDD 21,30 I 1.8-V power supply for digital interface ADC3643 SBAS886 – OCTOBER 2020 www.ti.com 4 Submit Document Feedback Copyright © 2020 Texas Instruments Incorporated Product Folder Links: ADC3643 |
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