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ADS8328IB Arkusz danych(PDF) 10 Page - Burr-Brown (TI) |
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ADS8328IB Arkusz danych(HTML) 10 Page - Burr-Brown (TI) |
10 / 40 page www.ti.com ADS8327 ADS8328 SLAS415A – APRIL 2006 – REVISED MAY 2006 ADS8327 Terminal Functions NO. NAME I/O DESCRIPTION TSSOP AGND 5 – Analog ground BDGND 14 – Interface ground CONVST 9 Freezes sample and hold, starts conversion with next rising edge of internal clock Status output. If programmed as EOC, this pin is low (default) when a conversion is in progress. If programmed as an interrupt (INT), this pin is low for a preprogrammed duration after the end EOC/ INT/ CDI 10 O of conversion and a valid data is to be output. The polarity of EOC or INT is programmable. This pin can also be used as a chain data input when the device is operated in chain mode. Frame sync signal for TMS320 DSP serial interface or chip select input for SPI interface slave FS/CS 11 select (SS-). +IN 3 I Non inverting input -IN 4 I Inverting input, usually connected to ground NC 2,8 – No connection. REF+ 7 I External reference input. REF- 6 Connect to AGND through individual via. SCLK 15 Clock for serial interface SDI 12 I Serial data in SDO 13 O Serial data out +VA 1 Analog supply, +2.7 V to +5.5 VDC. +VBD 16 Interface supply ADS8328 Terminal Functions NO. NAME I/O DESCRIPTION TSSOP AGND 5 – Analog ground BDGND 14 – Interface ground COM 4 I Common inverting input, usually connected to ground CONVST 9 Freezes sample and hold, starts conversion with next rising edge of internal clock Status output. If programmed as EOC, this pin is low (default) when a conversion is in progress. If programmed as an interrupt (INT), this pin is low for a preprogrammed duration after the end of EOC/ INT/ CDI 10 O conversion and a valid data is to be output. The polarity of EOC or INT is programmable. This pin can also be used as a chain data input when the device is operated in chain mode. FS/CS 11 Frame sync signal for TMS320 DSP serial interface or chip select input for SPI interface +IN1 2 I Second noninverting input. +IN0 3 I First noninverting input NC 8 – No connection. REF+ 7 I External reference input. REF- 6 Connect to AGND through individual via. SCLK 15 Clock for serial interface SDI 12 I Serial data in (conversion start and reset possible) SDO 13 O Serial data out +VA 1 Analog supply, +2.7 V to +5.5 VDC. +VBD 16 Interface supply 10 Submit Documentation Feedback |
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