24-bit, 1kSPS, 4-ch general-purpose delta-sigma ADC with I2C interface and external Vref inputs
Product details
Parameters
Package | Pins | Size
Features
- Easy to Use With Only One Register to Program
- Current Consumption as Low as 315 µA (typ)
- Wide Supply Range: 2.3 V to 5.5 V
- Rail-to-Rail Input Buffers to Achieve High Input Impedance
- Programmable Gains: 1 and 4
- Programmable Data Rates: Up to 1 kSPS
- Up to 20 Bits Effective Resolution
- Simultaneous 50-Hz and 60-Hz Rejection at 20 SPS With Single-Cycle Settling Digital Filter
- Two Differential or Four Single-Ended Inputs
- Internal 2.048-V Reference: 5 ppm/°C (typ) Drift
- Internal 2% Accurate Oscillator
- I2C-Compatible Interface
- Supported I2C Bus Speed Modes:
Standard-Mode, Fast-Mode, Fast-Mode Plus - 16 Pin-Configurable I2C Addresses
- Package: 3.0-mm × 3.0-mm × 0.75-mm WQFN
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Description
The ADS1219 is a precision, 24-bit, analog-to-digital converter (ADC) that includes all features necessary to implement the most common system monitoring functions, such as supply voltage, current, and temperature monitoring. The device features two differential or four single-ended inputs through a flexible input multiplexer (MUX), rail-to-rail input buffers, a programmable gain stage, a voltage reference, and an oscillator.
The device includes buffers that allow high-impedance sources to be directly connected to the device. A gain stage follows the buffers which provides selectable gains of 1 and 4. The ADS1219 can perform conversions at data rates as high as 1000 samples per second (SPS) with single-cycle settling. At 20 SPS, the digital filter offers simultaneous 50-Hz and 60-Hz rejection for noisy industrial applications.
The ADS1219 features a 2-wire, I2C-compatible interface that supports I2C bus speeds up to 1 Mbps. 16 different I2C addresses can be selected for the device via two address pins.
The ADS1219 is offered in a leadless 16-pin WQFN or a 16-pin TSSOP package and is specified over a temperature range of –40°C to +125°C.
Technical documentation
Type | Title | Date | |
---|---|---|---|
* | Datasheet | ADS1219 4-Channel, 1-kSPS, 24-Bit, Delta-Sigma ADC With I2C Interface datasheet (Rev. A) | Nov. 28, 2018 |
E-book | Fundamentals of Precision ADC Noise Analysis | Jun. 19, 2020 | |
Application note | K-type thermocouple measurement circuit with precision ADC | Mar. 19, 2019 | |
Application note | A Basic Guide to Thermocouple Measurements | Sep. 28, 2018 | |
User guide | BOOSTXL-ADS1219 BoosterPack User's Guide | Aug. 03, 2018 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.Hardware development
Description
The ADS1219 BoosterPack™ plug-in module is a platform for evaluating the ADS1219 analog-to-digital converter (ADC). ADS1219 is a 24-bit, 1-kSPS, 4-channel, low-power, delta-sigma ADC with an I2C interface for sensor measurement and process control applications. ADS1219 also includes an integrated (...)
Features
- Configurable inputs, references, and supplies
- Easily-accessible signals via test points and headers
- Pairs with MSP-EXP432E401Y LaunchPad Development Kit
Design tools & simulation
Features
- Leverages Cadence PSpice Technology
- Preinstalled library with a suite of digital models to enable worst-case timing analysis
- Dynamic updates ensure you have access to most current device models
- Optimized for simulation speed without loss of accuracy
- Supports simultaneous analysis of multiple products
- (...)
Features
- Expedites circuit design with analog-to-digital converters (ADCs) and digital-to-analog converters (DACs)
- Noise calculations
- Common unit translation
- Solves common amplifier circuit design problems
- Gain selections using standard resistors
- Filter configurations
- Total noise for common amplifier configurations
- (...)
CAD/CAE symbols
Package | Pins | Download |
---|---|---|
TSSOP (PW) | 16 | View options |
WQFN (RTE) | 16 | View options |
Ordering & quality
- RoHS
- REACH
- Device marking
- Lead finish/Ball material
- MSL rating/Peak reflow
- MTBF/FIT estimates
- Material content
- Qualification summary
- Ongoing reliability monitoring
Recommended products may have parameters, evaluation modules or reference designs related to this TI product.
Support & training
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