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Product Detailed Parameters
- Description：IC ADC 24BIT SIGMA-DELTA 32VQFN
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Number of Bits：24
- Sampling Rate (Per Second)：40k
- Number of Inputs：10
- Input Type：Differential
- Data Interface：SPI
- Configuration：MUX-PGA-ADC
- Ratio - S/H:ADC：0:01
- Number of A/D Converters：1
- Architecture：Sigma-Delta
- Reference Type：External, Internal
- Voltage - Supply, Analog：4.75V ~ 5.25V
- Voltage - Supply, Digital：2.7V ~ 5.25V
- Features：PGA
- Operating Temperature：-40°C ~ 125°C
- Package / Case：32-VFQFN Exposed Pad
- Supplier Device Package：32-VQFN (5x5)
- Mounting Type：Surface Mount, Wettable Flank
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The ADS1260BQWRHMRQ1 is an automotive-grade, precision analog-to-digital converter manufactured by Texas Instruments. It features a 24-bit resolution and supports up to five differential or single-ended input channels using a delta-sigma architecture. The device offers a maximum sampling rate of 40 kSPS and includes integrated programmable gain amplifiers (PGA) with gains ranging from 1 to 128. Key specifications include a digital supply voltage range of 2.7 V to 5.25 V and an analog supply voltage of 5 V. It operates within a temperature range of -40°C to +125°C and is housed in a VQFN-32 package.
Feature Summary
- Integrated excitation current sources for direct sensor interfacing
- Built-in internal oscillator and temperature monitoring capabilities
- Supports both external and internal reference voltage configurations
Applications
- Automotive bridge sensor signal conditioning
- Industrial process control systems
- Precision data acquisition modules
Procurement Notes
Verify the specific suffix QWRHMRQ1 against the official Texas Instruments datasheet to confirm automotive qualification status and pinout compatibility. Ensure that the ordering information matches the required package type and temperature grade before finalizing procurement decisions.
Selection Notes
Select this component when high channel count and precision are required in automotive environments. Compare power consumption and noise performance against other ADS126x variants if lower channel counts suffice. Verify SPI interface compatibility with the host microcontroller.
Part Context
This part belongs to the ADS126x family of precision ADCs designed for demanding measurement applications. It shares architectural similarities with the ADS1260 but carries automotive-specific suffixes indicating compliance with AEC-Q100 standards and extended reliability requirements for vehicle electronics.
Replacement Considerations
Direct substitutes include the ADS1260-Q1 for non-B-grade automotive applications or the ADS1261-Q1 for ten-channel requirements. Verify pin compatibility and software register settings when migrating between these variants.
