Overview
The ADS1219IPWR is a precision, 24-bit analog-to-digital converter (ADC) manufactured by Texas Instruments. This device is designed to meet the demands of high-accuracy measurement applications in various fields, including industrial, medical, and scientific instruments. It features a delta-sigma architecture, a flexible input multiplexer, and a programmable gain stage, making it versatile for different measurement needs. The ADS1219IPWR operates over a wide supply voltage range of 2.3V to 5.5V and is available in a 16-pin TSSOP package, ensuring compatibility with a variety of system designs.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution (Bits) | 24 |
| Sample Rate (max) (ksps) | 1 |
| Number of Input Channels | 4 |
| Interface Type | I2C |
| Architecture | Delta-Sigma |
| Input Type | Differential, Single-ended |
| Reference Mode | External, Internal |
| Input Voltage Range (max) (V) | 5.5 |
| Input Voltage Range (min) (V) | -0.75 |
| Operating Temperature Range (°C) | -40 to 125 |
| Analog Supply (min) (V) | 2.3 |
| Analog Supply Voltage (max) (V) | 5.5 |
| Power Consumption (typ) (mW) | 1 |
| Package | TSSOP-16 |
Key Features
- Easy to use with only one register to program.
- Low 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 through a flexible input multiplexer (MUX).
- Internal 2.048-V reference: 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 ADS1219IPWR is suitable for a variety of high-accuracy measurement applications, including:
- Industrial monitoring systems for supply voltage, current, and temperature.
- Medical devices requiring precise signal conversion.
- Scientific instruments where high-resolution data acquisition is necessary).
- Sensor interface and data acquisition systems due to its high-speed, multi-channel capabilities).
Q & A
- Q: What is the resolution of the ADS1219IPWR?
A: The ADS1219IPWR features a 24-bit resolution, providing high-precision digital output for measurement applications).
- Q: Can the ADS1219IPWR operate with a different supply voltage?
A: Yes, the ADS1219IPWR can operate over a wide supply voltage range of 2.3V to 5.5V).
- Q: What types of inputs does the ADS1219IPWR support?
A: The ADS1219IPWR supports both differential and single-ended inputs through a flexible input multiplexer (MUX)).
- Q: What is the maximum sample rate of the ADS1219IPWR?
A: The maximum sample rate of the ADS1219IPWR is 1 kSPS).
- Q: Does the ADS1219IPWR have internal references and oscillators?
A: Yes, the ADS1219IPWR includes an internal 2.048-V reference and an internal 2% accurate oscillator).
- Q: What interface does the ADS1219IPWR use for communication?
A: The ADS1219IPWR uses an I2C-compatible interface that supports standard-mode, fast-mode, and fast-mode plus).
- Q: How many I2C addresses can be configured for the ADS1219IPWR?
A: The ADS1219IPWR allows for 16 different I2C addresses to be configured via two address pins).
- Q: What is the operating temperature range of the ADS1219IPWR?
A: The ADS1219IPWR operates over a temperature range of -40°C to 125°C).
- Q: Is the ADS1219IPWR RoHS and REACH compliant?
A: Yes, the ADS1219IPWR is both RoHS and REACH compliant).
- Q: What package types are available for the ADS1219IPWR?
A: The ADS1219IPWR is available in a 16-pin TSSOP package).
