Overview
The ADS1119IPWR is a precision, 16-bit analog-to-digital converter (ADC) produced by Texas Instruments. This device is designed to implement common system monitoring functions such as supply voltage, current, and temperature monitoring. It features a compact design with a flexible input multiplexer, rail-to-rail input buffers, a programmable gain stage, an internal voltage reference, and an oscillator. The ADS1119IPWR is optimized for low power consumption and high accuracy, making it suitable for a variety of industrial and embedded applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 16-bit | |
| Data Rate | Up to 1 kSPS | samples per second |
| Supply Voltage Range | 2.3 V to 5.5 V | V |
| Current Consumption | As low as 315 µA (typ) | µA |
| Input Type | Two differential or four single-ended inputs | |
| Gain Options | 1 and 4 | |
| Internal Reference Voltage | 2.048 V, 5 ppm/°C (typ) drift | V |
| Oscillator Accuracy | 2% accurate | |
| I2C Interface | Standard-Mode, Fast-Mode, Fast-Mode Plus | |
| Operating Temperature Range | –40°C to +125°C | °C |
| Package Options | 16-pin WQFN, 16-pin TSSOP |
Key Features
- Easy to use with only one register to program
- Low power consumption as low as 315 µA (typ)
- Wide supply range: 2.3 V to 5.5 V
- Rail-to-rail input buffers for high input impedance
- Programmable gains: 1 and 4
- Programmable data rates up to 1 kSPS
- 16-bit, noise-free resolution at 20 SPS with simultaneous 50-Hz and 60-Hz rejection
- Internal 2.048-V reference with 5 ppm/°C (typ) drift
- Internal 2% accurate oscillator
- I2C-compatible interface supporting Standard-Mode, Fast-Mode, and Fast-Mode Plus
- 16 pin-configurable I2C addresses
Applications
The ADS1119IPWR is suitable for various applications requiring precise analog-to-digital conversion, including:
- Supply voltage monitoring
- Current monitoring
- Temperature monitoring
- Industrial automation
- Embedded systems
- Noisy industrial environments where 50-Hz and 60-Hz noise rejection is necessary
Q & A
- What is the resolution of the ADS1119IPWR ADC?
The ADS1119IPWR has a 16-bit resolution.
- What are the programmable gain options for the ADS1119IPWR?
The device offers programmable gains of 1 and 4.
- What is the maximum data rate of the ADS1119IPWR?
The maximum data rate is up to 1 kSPS (1000 samples per second).
- What is the operating temperature range of the ADS1119IPWR?
The device operates over a temperature range of –40°C to +125°C.
- What types of input can the ADS1119IPWR handle?
The device can handle two differential or four single-ended inputs.
- Does the ADS1119IPWR have an internal voltage reference?
Yes, it has an internal 2.048-V reference with 5 ppm/°C (typ) drift.
- What is the current consumption of the ADS1119IPWR?
The current consumption is as low as 315 µA (typ).
- What interface does the ADS1119IPWR use for communication?
The device uses an I2C-compatible interface supporting Standard-Mode, Fast-Mode, and Fast-Mode Plus.
- How many I2C addresses can be configured for the ADS1119IPWR?
The device supports 16 pin-configurable I2C addresses.
- What are the package options for the ADS1119IPWR?
The device is available in 16-pin WQFN and 16-pin TSSOP packages.
