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ADC12DJ2700 bảng dữ liệu(PDF) 7 Page - Texas Instruments |
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ADC12DJ2700 bảng dữ liệu(HTML) 7 Page - Texas Instruments |
7 / 146 page 7 ADC12DJ2700 www.ti.com SLVSEH9 – JANUARY 2018 Product Folder Links: ADC12DJ2700 Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated Pin Functions (continued) PIN I/O DESCRIPTION NO. NAME F11 DA4– O High-speed serialized data output for channel A, lane 4, negative connection. This pin can be left disconnected if not used. For information regarding reliable serializer operation, see footnote (1) in the Pin Functions table. F12 DA0– O High-speed serialized data output for channel A, lane 0, negative connection. This pin can be left disconnected if not used. For information regarding reliable serializer operation, see footnote (1) in the Pin Functions table. G1 CLK– I Device (sampling) clock negative input. TI strongly recommends using AC-coupling for best performance. G2, G3 AGND — Analog supply ground. Tie AGND and DGND to a common ground plane (GND) on the circuit board. G4 VA19 I 1.9-V analog supply G5 VA11 I 1.1-V analog supply G6 AGND — Analog supply ground. Tie AGND and DGND to a common ground plane (GND) on the circuit board. G7 VD11 I 1.1-V digital supply G8 SDI I Serial interface data input. The Using the Serial Interface section describes the serial interface in more detail. Supports 1.1-V and 1.8-V CMOS levels. G9, G10 DGND — Digital supply ground. Tie AGND and DGND to a common ground plane (GND) on the circuit board. G11 DB4– O High-speed serialized data output for channel B, lane 4, negative connection. This pin can be left disconnected if not used. For information regarding reliable serializer operation, see footnote (1) in the Pin Functions table. G12 DB0– O High-speed serialized data output for channel B, lane 0, negative connection. This pin can be left disconnected if not used. For information regarding reliable serializer operation, see footnote (1) in the Pin Functions table. H1 AGND — Analog supply ground. Tie AGND and DGND to a common ground plane (GND) on the circuit board. H2, H3, H4 VA19 I 1.9-V analog supply H5 VA11 I 1.1-V analog supply H6 AGND — Analog supply ground. Tie AGND and DGND to a common ground plane (GND) on the circuit board. H7 VD11 I 1.1-V digital supply H8 SDO O Serial interface data output. The Using the Serial Interface section describes the serial interface in more detail. This pin is high impedance during normal device operation. This pin outputs 1.9-V CMOS levels during serial interface read operations. This pin can be left disconnected if not used. H9, H10 VD11 I 1.1-V digital supply H11 DB4+ O High-speed serialized data output for channel B, lane 4, positive connection. This differential output must be AC-coupled and must always be terminated with a 100-Ω differential termination at the receiver. This pin can be left disconnected if not used. For information regarding reliable serializer operation, see footnote (1) in the Pin Functions table. H12 DB0+ O High-speed serialized data output for channel B, lane 0, positive connection. This differential output must be AC-coupled and must always be terminated with a 100-Ω differential termination at the receiver. This pin can be left disconnected if not used. For information regarding reliable serializer operation, see footnote (1) in the Pin Functions table. J1 AGND — Analog supply ground. Tie AGND and DGND to a common ground plane (GND) on the circuit board. J2, J3 VA11 I 1.1-V analog supply J4 VA19 I 1.9-V analog supply J5 VA11 I 1.1-V analog supply J6 AGND — Analog supply ground. Tie AGND and DGND to a common ground plane (GND) on the circuit board. J7 NCOB1 I MSB of NCO selection control for DDC B. Tie this pin to GND if not used. |
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