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ADS1218Y Datasheet(PDF) 8 Page - Texas Instruments |
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ADS1218Y Datasheet(HTML) 8 Page - Texas Instruments |
8 / 44 page www.ti.com PIN CONFIGURATION 24 23 22 21 20 19 18 17 16 15 14 13 RESET BUFEN DGND DGND DGND DGND WREN R DAC IDAC2 IDAC1 V RCAP AV DD 37 38 39 40 41 42 43 44 45 46 47 48 D0 D1 D2 D3 D4 D5 D6 D7 AGND V REFOUT V REF+ V REF − 36 35 34 33 32 31 30 29 28 27 26 1 2 3 4 5 6 7 8 9 10 11 25 12 ADS1218 Top View TQFP ADS1218 SBAS187C – SEPTEMBER 2001 – REVISED SEPTEMBER 2005 PIN DESCRIPTIONS PIN PIN NUMBER NAME DESCRIPTION NUMBER NAME DESCRIPTION 1 AVDD Analog Power Supply 24 RESET Active Low, resets the entire chip. 2 AGND Analog Ground 25 XIN Clock Input 3 AIN0 Analog Input 0 26 XOUT Clock Output, used with crystal or resonator. 4 AIN1 Analog Input 1 Active Low. Power Down. The power-down 27 PDWN function shuts down the analog and digital 5 AIN2 Analog Input 2 circuits. 6 AIN3 Analog Input 3 28 POL Serial Clock Polarity 7 AIN4 Analog Input 4 29 DSYNC Active Low, Synchronization Control 8 AIN5 Analog Input 5 30 DGND Digital Ground 9 AIN6 Analog Input 6 31 DVDD Digital Power Supply 10 AIN7 Analog Input 7 32 DRDY Active Low, Data Ready 11 AINCOM Analog Input Common 33 CS Active Low, Chip Select 12 AGND Analog Ground 34 SCLK Serial Clock, Schmitt Trigger 13 AVDD Analog Power Supply 35 DIN Serial Data Input, Schmitt Trigger 14 VRCAP VREF Bypass CAP 36 DOUT Serial Data Output 15 IDAC1 Current DAC1 Output 37–44 D0-D7 Digital I/O 0–7 16 IDAC2 Current DAC2 Output 45 AGND Analog Ground 17 RDAC Current DAC Resistor 46 VREFOUT Voltage Reference Output 18 WREN Active High, Flash Write Enable 47 VREF+ Positive Differential Reference Input 19–22 DGND Digital Ground 48 VREF– Negative Differential Reference Input 23 BUFEN Buffer Enable 8 |
Similar Part No. - ADS1218Y |
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Similar Description - ADS1218Y |
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