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ADS9120 Datasheet(PDF) 3 Page - Texas Instruments |
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ADS9120 Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 64 page  CONVST 1 2 3 4 Thermal Pad 5 6 18 17 16 15 14 13 NC REFM REFP NC SDO-3 DVDD GND AVDD AVDD SDO-2 RST 3 ADS9120 www.ti.com SBAS710 – SEPTEMBER 2016 Product Folder Links: ADS9120 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated 5 Pin Configuration and Functions RGE Package 24-Pin VQFN Top View Pin Functions PIN FUNCTION DESCRIPTION NAME NO. AINM 10 Analog input Negative analog input AINP 9 Analog input Positive analog input AVDD 13, 14 Power supply Analog power supply for the device CONVST 1 Digital input Conversion start input pin for the device. A CONVST rising edge brings the device from ACQ state to CNV state. CS 24 Digital input Chip-select input pin for the device; active low. The device takes control of the data bus when CS is low. The SDO-x pins go to tri-state when CS is high. DVDD 16 Power supply Interface supply GND 11, 15 Power supply Ground NC 3, 6, 12 No connection These pins must be left floating with no external connection REFM 4, 8 Analog input Reference ground potential REFP 5, 7 Analog input Reference voltage input RST 2 Digital input Asynchronous reset input pin for the device. A low pulse on the RST pin resets the device and all register bits return to a default state. RVS 21 Digital output Multi-function output pin for the device. With CS held high, RVS reflects the status of the internal ADCST signal. With CS low, the status of RVS depends on the output protocol selection. SCLK 23 Digital input Clock input pin for the serial interface. All system-synchronous data transfer protocols are timed with respect to the SCLK signal. SDI 22 Digital input Serial data input pin for the device. This pin is used to feed the data or command into the device. SDO-0 20 Digital output Serial communication: data output 0 SDO-1 19 Digital output Serial communication: data output 1 SDO-2 18 Digital output Serial communication: data output 2 SDO-3 17 Digital output Serial communication: data output 3 Thermal pad Supply Exposed thermal pad; connecting this pin to GND is recommended |
Número de pieza similar - ADS9120 |
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Descripción similar - ADS9120 |
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