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TSA1401 Arkusz danych(PDF) 3 Page - STMicroelectronics |
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TSA1401 Arkusz danych(HTML) 3 Page - STMicroelectronics |
3 / 19 page ABSOLUTE MAXIMUM RATINGS TSA1401 3/19 PIN DESCRIPTIONS Pin Name I/O No Pin Description IPOL I 1 Analog bias current input - adjusts polarization current versus Fs. VREFP I/O 2 Top Reference Voltage - may be used as a voltage generator output or used as an input to adjust the input dynamic range (VIN-VINB=2x(VREFP-VREFM)). VREFM I 3 Bottom Reference Voltage. Usually connected to GND (see AN p12 for details) AGND I 4, 6, 8, 10, 48 Analog ground. VIN I 5 Positive Analog input. VINB I 7 Negative Analog Input. INCM I/O 9 Internal Common Mode - may be used as a voltage generator output for input sig- nal common mode or used as an input to force the internal common mode (see AN p12 for more details). AVCC I 11, 12, 46, 47 Analog Power Supply (2.5V). DVCC I 13, 14 Digital Power Supply (2.5V) (Clock). DGND I 15, 17,19 Digital Ground (Clock). CLK I 16 CMOS Clock Input. NC NA 18, 42 Non Connected Pin. GNDBI I 20 Digital Ground (Internal Buffer). GNDBE I 21,40 Digital Ground (External Buffer). VCCBE I 22, 39 Digital Power Supply (External Buffer, 2.5V/3.3V). OR O 23 Over Range Indicator, if D0-D13=’1’ or ‘0’, OR=’1’. D13(MSB)- D0(LSB) O 24-37 Data CMOS Outputs (2.5V/3.3V). DR O 38 Data Ready Signal (2.5V/3.3V). VCCBI I 41 Digital Power Supply (Internal Buffers 2.5V). REFMODE I 43 REFMODE=’VIL’, internal references active. REFMODE=‘VIH’, external references must be applied. OEB I 44 Output Enable Input. If OEB=’VIH’ then D0-D13 in ‘High Z’ state. DFSB I 45 Data Format Select Input - If DFSB=’VIH’ then D13 is standard binary output cod- ing; if DFSB=’VIL’ then D13 is two’s complemented. |
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