ADS1209SPWR

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

ADS1209SPWR Application Field and Working Principle

ADCs/DACs are a key component used in computers and computing devices. They are used to handle analog signals and convert them into digital signals, and vice versa. Many times, a specialized DAC or ADC is required for specialized tasks, such as when a signal needs to be amplified or filtered, or when a signal needs to be isolated. The ADS1209SPWR is one such specialized ADC that provides high-performance signal conditioning and analog-to-digital conversion in one package.

The ADS1209SPWR is a special-purpose ADC that is specifically designed to capture and convert weak, high-impedance differential signals into a digitized format. The device can be used to measure thermocouples, strain gauges, pressure transducers and other low-level signals with low-noise and high accuracy. The ADS1209SPWR is typically used in medical and industrial applications, as well as in test and measurement systems.

Functionality

The ADS1209SPWR features a high-speed, 16-bit converter with low-noise performance and high resolution. It has a low power dissipation of 2.7mW and a temperature range of -40 to +85 °C, making it suitable for embedded applications which may require operation in harsh environments.

The device is also equipped with a built-in Auxiliary ADC input, which can be used for monitoring the system’s power supply, or for measuring temperature or other similar parameters. The Auxiliary ADC can operate in either single-ended or differential modes.

The ADS1209SPWR also includes two built-in analog differential channel inputs, which can be used for either single-ended or differential mode operation. The differential inputs feature a maximum differential voltage of 24V, and can handle inputs from 4 to 24V.

The device also features built-in digital filtering capabilities, which can be used to reduce unwanted noise or interference. Additionally, the ADS1209SPWR has an integrated voltage reference and temperature sensor, which can be used to measure temperature, or to keep track of any variations in the reference voltage.

Performance and Accuracy

The device is capable of operating up to a maximum sample rate of 8ks/s, and has an effective resolution of 16-bits (+/- 0.25LSB, ±0.7%FS). The on-chip voltage reference provides excellent accuracy, with a temperature range of -10 to +70°C, and has a total error of less than ±0.3%.

The ADS1209SPWR also features excellent noise performance, with a typical noise floor of 9.2 μVrms for a 10Hz bandwidth. The built-in digital filter features a cut-off frequency of 5kHz, and provides up to 76dB of noise attenuation.

The device also features differential nonlinearity (DNL) of -/+ 0.1LSB, which provides high accuracy for low-level signals. The built-in temperature sensor also allows the device to self-calibrate, which further improves the device\'s accuracy.

Power Supply and Interface

The ADS1209SPWR operates on a single 3V to 3.6V supply, and has an integrated low-dropout regulator to ensure a stable system power supply. The device also includes an integrated 200mA current source, which can be used to source multiple auxiliary circuits.

The device is compatible with a variety of interfaces, including I2C, Serial Peripheral Interface (SPI) and Universal Serial Bus (USB), and includes a dedicated external clock enable pin. The device can be controlled through a microcontroller or directly from a PC using a USB or SPI interface.

Applications

The ADS1209SPWR is a specialized ADC designed for use in medical and industrial applications, as well as test and measurement systems. It is ideal for applications that require accurate signal conditioning and conversion of low-level input signals, such as thermocouples and strain gauges. The device’s wide range of interface and power supply options make it suitable for embedded devices, as well as other specialized applications.

The device’s built-in analog differential inputs and Auxiliary ADC can be used to measure temperature, pressure or other similar signal types. The ADS1209SPWR can also be used for signal filtering and signal isolation, making it well suited for noisy environments.

The specific data is subject to PDF, and the above content is for reference