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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| Pin | Name | Functions | Notes |
|---|---|---|---|
| A0 | I2C slave address select pin 0 | GPIO | |
| A1 | I2C slave address select pin 1 | GPIO | |
| AIN0 | Analog input 0 | ADC | |
| AIN1 | Analog input 1 | ADC | |
| AIN2 | Analog input 2 | ADC | |
| AIN3 | Analog input 3 | ADC | |
| AGND | Negative analog power supply | GND | |
| AVDD | Positive analog power supply | POWER | Connect a 100-nF capacitor to AGND. |
| DGND | Digital ground | GND | |
| DRDY | Data ready, active low | GPIO | Connect to DVDD using a pullup resistor. |
| DVDD | Positive digital power supply | POWER | Connect a 100-nF capacitor to DGND. |
| REFN | Negative reference input | ADC | |
| REFP | Positive reference input | ADC | |
| RESET | Reset, active low | GPIO | |
| SCL | Serial clock input | I2C | Connect to DVDD using a pullup resistor. |
| SDA | Serial data input and output | I2C | Connect to DVDD using a pullup resistor. |
Interactive pinout
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ADS1219
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