Home > Industry Information > ADS127L21IRUKT: A 24-Bit ADC With High Precision And Low Power Consumption
The ADS127L21IRUKT is a 24-bit, 512-kSPS wideband Delta-Sigma analog-to-digital converter (ADC) produced by Texas Instruments,
featuring programmable IIR and FIR filters. This chip is packaged in WQFN (RUK) and has 20 pins.
Resolution: 24 bits
Sampling rate: Up to 512 kSPS (wideband filter mode), up to 1.365 MSPS (low delay filter mode)
Dynamic range: 111.5 dB (typical value, 200 kSPS)
Total harmonic distortion (THD) : -125 dB (typical value)
Input range: ±VREF or ± 2VREF
Maximum power consumption speed mode: 512 kSPS, 33 mW (typical values)
Interface: SPI compatible
Package: 20-pin WQFN, 3mm × 3mm
Operating temperature range: -40°C to +125°C
High precision: 24-bit resolution ensures high-precision measurement.
High-speed sampling: The maximum sampling rate can reach 512 kSPS, making it suitable for broadband signal processing.
Programmable filters: Built-in programmable IIR and FIR filters, providing flexible signal processing options.
Low power consumption: Designed for low-power applications and suitable for battery-powered devices.
Wide input range: Supports a wide input signal range to adapt to various application scenarios.
The ADS127L21IRUKT is a 24-bit, 512 kSPS wideband Delta-Sigma analog-to-digital converter (ADC) produced by Texas Instruments, featuring programmable IIR and FIR filters.
The following are the main characteristics and functions of this chip:
24-bit resolution: Ensures high-precision measurement.
Maximum sampling rate: 512 kSPS (wideband filter mode), maximum 1.365 MSPS (low delay filter mode), suitable for wideband signal processing.
FIR filter: It has 128 taps, a coefficient resolution of 32 bits, a coefficient format of 1.31, and a customization range of -122.
IIR filter: The implementation scale factor is four double second-order, and the direct form is 15.
Broadband filter: Supports an input signal bandwidth of 211 kHz. Users can choose to operate with the default coefficient or a custom coefficient.
Low-delay filter: It adopts a cascade integral comb (CIC) topology and features a characteristic sinx/x (sinc) frequency response, making it suitable for rapid acquisition of DC signals or for use in control loops.
Programmable OSR: The oversampling rate can be programmed within the range of 4 to 512 through the FILTER1 register, generating a final OSR range of 32 to 4096.
Multiple filter configurations: Offering sinc3, sinc4, and subsequent cascaded sinc1 stage options, allowing for trade-offs among acquisition time, noise performance, and line period suppression.
As a high-precision and low-power 24-bit analog-to-digital converter (ADC), the ADS127L21IRUKT is suitable for a variety of application scenarios that require high-precision signal processing and low-power design.
The following are the common application scenarios of this chip:
Vibration monitoring: It is used in industrial equipment to monitor vibration, helping to predict equipment failures and maintenance.
Condition monitoring: It is used to monitor the operating status of equipment to ensure its efficient and stable operation.
Process control: In an automated control system, it provides high-precision signal acquisition and processing to ensure the accuracy of the control system.
Doppler ultrasound: In ultrasound equipment, it provides high-precision signal processing to ensure the clarity and accuracy of images.
Electrocardiogram (ECG) and electroencephalogram (EEG) : Used in medical diagnostic devices to ensure high-precision and low-noise signals.
Medical monitoring equipment: Among various medical monitoring devices, it provides high-precision signal acquisition and processing to ensure the accuracy of monitoring results.
In-vehicle sensors: In in-vehicle sensors, high-precision signal processing is provided to ensure the accuracy and reliability of sensor data.
Driving assistance system: In the driving assistance system, high-precision signal acquisition and processing are provided to ensure the accuracy and reliability of the system.
The ADS127L21IRUKT, with its high precision, high-speed sampling rate, low power consumption and flexible filter configuration, has demonstrated outstanding performance in multiple fields such as test and measurement,
industrial automation, medical equipment, energy infrastructure, automotive electronics, etc. Whether it is vibration monitoring in industrial automation or the collection of bioelectric signals in medical equipment,
this chip can provide stable and reliable data support.
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