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ADS1120QPWRQ1 Datasheet(PDF) 3 Page - Texas Instruments

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Part # ADS1120QPWRQ1
Description  Automotive, Low-Power, Low-Noise, 16-Bit, Analog-to-Digital Converter for Small-Signal Sensors
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

ADS1120QPWRQ1 Datasheet(HTML) 3 Page - Texas Instruments

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16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
CLK
DGND
AVSS
AIN3/REFN1
AIN2
REFN0
REFP0
AIN1
AIN0/REFP1
AVDD
DVDD
DRDY
DOUT/DRDY
DIN
SCLK
CS
ADS1120-Q1
www.ti.com
SBAS683A – AUGUST 2014 – REVISED OCTOBER 2014
5 Pin Configurations and Functions
PW Package
TSSOP-16
(Top View)
Pin Functions
PIN
NUMBER
NAME
TYPE
DESCRIPTION
1
SCLK
Digital input
Serial clock input
Chip select, active low.
2
CS
Digital input
Connect to DGND if not used.
External clock source pin.
3
CLK
Digital input
Connect to DGND if not used.
4
DGND
Digital
Digital ground
5
AVSS
Analog
Negative analog power supply
Analog input 3, negative reference input 1.
6
AIN3/REFN1
Analog input
Internal low-side power switch connected between AIN3/REFN1 and AVSS.
Leave unconnected or tie to AVDD if not used.
Analog input 2.
7
AIN2
Analog input
Leave unconnected or tie to AVDD if not used.
Negative reference input 0.
8
REFN0
Analog input
Leave unconnected or tie to AVDD if not used.
Positive reference input 0.
9
REFP0
Analog input
Leave unconnected or tie to AVDD if not used.
Analog input 1.
10
AIN1
Analog input
Leave unconnected or tie to AVDD if not used.
Analog input 0, positive reference input 1.
11
AIN0/REFP1
Analog input
Leave unconnected or tie to AVDD if not used.
12
AVDD
Analog
Positive analog power supply
13
DVDD
Digital
Positive digital power supply
Data ready, active low.
14
DRDY
Digital output
Leave unconnected or tie to DVDD using a weak pull-up resistor if not used.
15
DOUT/DRDY
Digital output
Serial data output combined with data ready, active low
16
DIN
Digital input
Serial data input
Copyright © 2014, Texas Instruments Incorporated
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Product Folder Links: ADS1120-Q1


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