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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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DAC38RF80IAAV bảng dữ liệu(PDF) 6 Page - Texas Instruments |
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DAC38RF80IAAV bảng dữ liệu(HTML) 6 Page - Texas Instruments |
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6 / 160 page  Pin Functions - DAC38RF83, DAC38RF93, DAC38RF85 (continued) PIN I/O DESCRIPTION NAME NO. TESTMODE K3 - This pin is used for factory testing. Recommended to connect to ground for normal operation. TMS K5 I JTAG test mode select. Internal pull-up TRST J5 I JTAG test reset. Internal pull-up. Must be connected to ground if not used TXENABLE K6 I Transmit enable active high input. Internal pull-down. This pin is ORed with spi_txenable bit in JESD_FIFO register to enable analog output data transmission. To enable analog output data transmission, pull the CMOS TXENABLE pin to high. To disable analog output, pull CMOS TXENABLE pin to low. The DAC output is forced to midscale. VDDA1 F11, J11 I Analog 1 V supply voltage. Must be separated from VDDDIG1 supply for best performance. VDDA18 G11, H11 I Analog 1.8 V supply voltage. (1.8 V) VDDPLL1 D8, E8 I Analog 1 V supply for PLL. VDDAPLL18 B9, B10 I PLL analog supply voltage. (1.8 V) VDDAVCO18 D9, E9 I Analog supply voltage for VCO (1.8 V) VDDCLK1 G9, H9 I Internal clock buffer supply voltage (1 V). It is recommended to isolate this supply from VDDDIG1 and VDDA1. VDDL1_1 G8, H8 I DAC core supply voltage. (1 V) VDDL2_1 G10, H10 I DAC core supply voltage. (1 V) VDDDIG1 A5, B5, C5, D5, D7, E3, E4, E5, E6, F4, F5, G4, G5 I Digital supply voltage. (1 V). It is recommended to isolate this supply from VDDCLK1 and VDDA1. VDDE1 F7, H7, G6, J6 I Digital Encoder supply voltage (1 V). Must be separated from VDDDIG1 supply for best performance. VDDIO18 H5 I Supply voltage for all digital I/O and CMOS I/O (1.8 V). VDDOUT18 G12, H12 I DAC output supply. (1.8 V) VDDR18 H2, J2 I Supply voltage for SerDes. (1.8 V) VDDS18 B3, B4 I Supply voltage for LVDS SYNC0+/- and SYNC1+/- (1.8 V) VDDT1 H3, J3 I Supply voltage for SerDes termination. (1 V) VDDTX1 B6 I Supply voltage for divided clock output. (1 V) VDDTX18 B7 I Supply voltage for divided clock output . (1.8 V) VEE18N D10, E10, K10, L10 I Analog supply voltage. (-1.8 V) VOUT1+ L12 O DAC channel 1 output. VOUT1- K12 O DAC channel 1 complementary output. VOUT2+ D12 O DAC channel 2 output. Leave pin floating in DAC38RF85 VOUT2- E12 O DAC channel 2 complementary output. Leave pin floating in DAC38RF85 VSENSE D4 O Test pin for on chip parametrics. Can be left floating. VSSCLK A8, A11, B8, B11, B12, F8, F9, F10, J8, J9, J10 - Clock ground. DAC38RF80, DAC38RF83, DAC38RF84 DAC38RF85, DAC38RF90, DAC38RF93 SLASEA3D – DECEMBER 2016 – REVISED DECEMBER 2023 www.ti.com 6 Submit Document Feedback Copyright © 2023 Texas Instruments Incorporated Product Folder Links: DAC38RF80 DAC38RF83 DAC38RF84 DAC38RF85 DAC38RF90 DAC38RF93 |
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