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ADS58B19IRGZR Arkusz danych(PDF) 8 Page - Texas Instruments |
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ADS58B19IRGZR Arkusz danych(HTML) 8 Page - Texas Instruments |
8 / 68 page 36 35 34 33 32 31 30 29 28 27 26 25 DRGND DRVDD NC NC NC NC RESET SCLK SDATA SEN AVDD AGND 1 2 3 4 5 6 7 8 9 10 11 12 DRGND DRVDD OVR_SDOUT CLKOUTM CLKOUTP DFS OE AVDD AGND CLKP CLKM AGND 48 47 46 45 44 43 42 41 40 39 38 13 14 15 16 17 18 19 20 21 22 23 37 24 ADS58B18 ADS58B19 SBAS487D – NOVEMBER 2009 – REVISED JANUARY 2011 www.ti.com RGZ PACKAGE(4) QFN-48 (TOP VIEW) (2) The PowerPAD is connected to DRGND. Figure 2. ADS58B19 LVDS Pinout ADS58B18, ADS58B19 Pin Assignments (LVDS Mode) # OF PIN NAME PIN NUMBER PINS FUNCTION DESCRIPTION AVDD 8, 18, 20, 22, 24, 26 6 I 1.8V analog power supply AVDD_BUF 21 1 I 3.3V input buffer supply AGND 9, 12, 14, 17, 19, 25 6 I Analog ground CLKP 10 1 I Differential clock input, positive CLKM 11 1 I Differential clock input, negative INP 15 1 I Differential analog input, positive INM 16 1 I Differential analog input, negative Outputs the common-mode voltage that can be used externally to bias the analog input VCM 13 1 O pins. Serial interface RESET input. When using the serial interface mode, the internal registers must initialize through hardware RESET by applying a high pulse on this pin or by using the software reset RESET 30 1 I option; refer to the Serial Interface section. When RESET is tied high, the internal registers are reset to the default values. In this condition, SEN can be used as an analog control pin. RESET has an internal 180k Ω pull-down resistor. This pin functions as a serial interface clock input when RESET is low. When RESET is SCLK 29 1 I high, SCLK has no function and should be tied to ground. This pin has an internal 180k Ω pull-down resistor. This pin functions as a serial interface data input when RESET is low. When RESET is SDATA 28 1 I high, SDATA functions as a STANDBY control pin (see Table 7). This pin has an internal 180k Ω pull-down resistor. This pin functions as a serial interface enable input when RESET is low. When RESET SEN 27 1 I is high, SEN has no function and should be tied to AVDD. This pin has an internal 180k Ω pull-up resistor to AVDD. 8 Submit Documentation Feedback © 2009–2011, Texas Instruments Incorporated Product Folder Link(s): ADS58B18 ADS58B19 |
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