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ADS1259IPWR Datasheet(PDF) 5 Page - Texas Instruments |
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ADS1259IPWR Datasheet(HTML) 5 Page - Texas Instruments |
5 / 48 page 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 AINP AINN RESETPWDN / START SYNCOUT CS SCLK DIN DOUT DRDY AVDD AVSS VREFN VREFP REFOUT DVDD DGND BYPASS XTAL2 XTAL1/CLKIN ADS1259 ADS1259 www.ti.com SBAS424D – JUNE 2009 – REVISED AUGUST 2011 PIN CONFIGURATION PW PACKAGE TSSOP-20 (TOP VIEW) ADS1259 Terminal Functions PIN NAME PIN # FUNCTION DESCRIPTION AINP 1 Analog input Positive analog input AINN 2 Analog input Negative analog input RESET/PWDN 3 Digital input Reset/Power-Down; reset is active low; hold low for power-down START 4 Digital input Start conversions, active high SYNCOUT 5 Digital output Sync clock output (fCLK/8) CS 6 Digital input SPI chip-select, active low SCLK 7 Digital input SPI clock input DIN 8 Digital input SPI data input DOUT 9 Digital output SPI data output DRDY 10 Digital output Data ready output, active low Internal oscillator: DGND XTAL1/CLKIN 11 Digital input External clock: clock input Crystal oscillator: external crystal1 XTAL2 12 Digital External crystal2, otherwise no connection BYPASS 13 Analog Core voltage bypass DGND 14 Digital Digital ground DVDD 15 Digital Digital power supply REFOUT 16 Analog output Positive reference output VREFP 17 Analog input Positive reference input VREFN 18 Analog input Negative reference input AVSS 19 Analog Negative analog power supply and negative reference output AVDD 20 Analog Positive analog power supply Copyright © 2009–2011, Texas Instruments Incorporated 5 |
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