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ADS8912BRGER Datasheet(PDF) 3 Page - Texas Instruments

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Part # ADS8912BRGER
Description  ADS891xB 18-Bit, High-Speed SAR ADCs With Integrated Reference Buffer, Integrated LDO, and multiSPI??Digital Interface
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

ADS8912BRGER Datasheet(HTML) 3 Page - Texas Instruments

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Thermal
Pad
1
CONVST
18
SDO-2
2
RST
17
SDO-3
3
REFIN
16
DVDD
4
REFM
15
GND
5
REFBUFOUT
14
DECAP
6
NC
13
DECAP
3
ADS8910B
ADS8912B
ADS8914B
www.ti.com
SBAS707A – JUNE 2016 – REVISED JULY 2016
Product Folder Links: ADS8910B ADS8912B ADS8914B
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
CS
24
Digital input
Chip-select input pin; active low
The device takes control of the data bus when CS is low.
The SDO-x pins go to Hi-Z when CS is high.
CONVST
1
Digital input
Conversion start input pin.
A CONVST rising edge brings the device from ACQ state to CNV state.
DECAP
13, 14
Power supply
Place decoupling capacitor here for internal power supply. Short pin 13 and 14 together.
DVDD
16
Power supply
Interface power supply pin
GND
11, 15
Power supply
Ground
NC
6
No connection
Float these pins; no external connection.
REFBUFOUT
5, 7
Analog input/output Reference buffer output, ADC reference input. Short pin 5 and 7 together.
REFIN
3
Analog input
Reference voltage input
REFM
4, 8
Analog input
Reference ground potential
RST
2
Digital input
Asynchronous reset input pin.
A low pulse on the RST pin resets the device. All register bits return to the default state.
RVDD
12
Power supply
Analog power supply pin.
RVS
21
Digital output
Multifunction output pin.
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.
This pin is used to feed data or commands into the device.


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