Overview
The ADS1259IPWR, produced by Texas Instruments, is a high-linearity, low-drift, 24-bit analog-to-digital converter (ADC) designed to meet the demands of industrial process control, precision instrumentation, and other exacting applications. This device offers high-resolution output data at sample rates ranging from 10 SPS to 14.4 kSPS, making it suitable for applications requiring precise and reliable data conversion.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Resolution | 24 | 24 | 24 | Bits |
| Output Data Rates | 10 SPS | - | 14.4 kSPS | SPS |
| Analog Supply | - | +2.5V or ±2.5V | - | V |
| Digital Supply | 2.7V | - | 5V | V |
| Full-scale Input Voltage Range | ±VREF | - | ±VREF | V |
| Differential Input Impedance | 120 kΩ | 120 kΩ | 120 kΩ | kΩ |
| Common-mode Input Impedance | 500 kΩ | 500 kΩ | 500 kΩ | kΩ |
| Integral Nonlinearity (INL) | - | 0.4 ppm | - | ppm |
| Power Consumption | - | 13 mW | - | mW |
| Operating Temperature Range | -40°C | - | +105°C | °C |
Key Features
- High-linearity, low-drift 24-bit ADC with no missing codes.
- Output data rates from 10 SPS to 14.4 kSPS.
- Integrated low-noise, low-drift 2.5V reference.
- On-chip oscillator or external crystal/external clock options for ADC clock source.
- SPI-compatible interface with data integrity features like checksum and redundant data read capability.
- Low power consumption: 13 mW in operation and less than 25 μW in power-down mode.
- Programmable digital filter with sinc1 or sinc2 modes.
- Support for unipolar or bipolar analog input signals.
- Internal low dropout regulator (LDO) for powering the digital core.
- Dual-function RESET/PWDN pin for reset and power-down control.
Applications
- Industrial Process Control
- Scientific Instrumentation
- Test and Measurement
Q & A
- What is the resolution of the ADS1259IPWR?
The ADS1259IPWR has a 24-bit resolution.
- What are the output data rates of the ADS1259IPWR?
The output data rates range from 10 SPS to 14.4 kSPS.
- What type of reference does the ADS1259IPWR have?
The ADS1259IPWR has an integrated low-noise, low-drift 2.5V reference.
- What are the power supply options for the ADS1259IPWR?
The analog supply can be +5V or ±2.5V, and the digital supply ranges from 2.7V to 5V.
- How does the ADS1259IPWR handle data integrity?
The device uses a SPI-compatible interface with features like checksum and redundant data read capability to ensure data integrity.
- What is the power consumption of the ADS1259IPWR?
The device consumes 13 mW in operation and less than 25 μW in power-down mode.
- What types of analog input signals does the ADS1259IPWR support?
The device supports both unipolar and bipolar analog input signals.
- How is the clock source for the ADS1259IPWR configured?
The clock source can be an on-chip oscillator, an external crystal, or an external clock.
- What is the operating temperature range of the ADS1259IPWR?
The operating temperature range is from -40°C to +105°C.
- What is the purpose of the RESET/PWDN pin on the ADS1259IPWR?
The RESET/PWDN pin is used for resetting the device and powering it down when held low.
