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ADS1219 24-bit ADC

ADS1219

Texas Instrumentsic data converter

The ADS1219 is a 4-channel, 24-bit delta-sigma ADC with I2C interface for voltage and current monitoring.

In stock

Specifications

8
Operating Voltage
2.3 V to 5.5 V (AVDD), 2.3 V to 5.5 V (DVDD)
Supply Current
0.1 µA (power-down mode) to 310 µA (conversion mode, external reference selected)
Interface
I2C
Resolution
24 bits
Range
-VREF / Gain to VREF / Gain (differential input)
Accuracy
±0.15% (TA = 25°C, WQFN package), ±0.25% (TA = 25°C, TSSOP package)
Temperature Range
-40°C to +125°C
Package
WQFN (16) 3.0 mm × 3.0 mm, TSSOP (16) 5.0 mm × 4.4 mm

Pinout

16
PinNameFunctionsNotes
A0I2C slave address select pin 0
GPIO
A1I2C slave address select pin 1
GPIO
AIN0Analog input 0
ADC
AIN1Analog input 1
ADC
AIN2Analog input 2
ADC
AIN3Analog input 3
ADC
AGNDNegative analog power supply
GND
AVDDPositive analog power supply
POWER
Connect a 100-nF capacitor to AGND.
DGNDDigital ground
GND
DRDYData ready, active low
GPIO
Connect to DVDD using a pullup resistor.
DVDDPositive digital power supply
POWER
Connect a 100-nF capacitor to DGND.
REFNNegative reference input
ADC
REFPPositive reference input
ADC
RESETReset, active low
GPIO
SCLSerial clock input
I2C
Connect to DVDD using a pullup resistor.
SDASerial data input and output
I2C
Connect to DVDD using a pullup resistor.

Interactive pinout

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ADS1219

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