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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, Single Ended
- Data Interface：SPI
- Configuration：MUX-PGA-ADC
- Ratio - S/H:ADC：-
- 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
- Grade：-
- Qualification：-
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Overview
The ADS1261BIRHBR is a 24-bit, 40-kSPS delta-sigma analog-to-digital converter (ADC) manufactured by Texas Instruments. It features a 32-VQFN package with dimensions of 5x5 mm and supports both differential and single-ended inputs across 10 channels. The device operates with an analog supply voltage range of 4.75V to 5.25V and a digital supply voltage range of 2.7V to 5.25V. It utilizes an SPI data interface and includes an integrated programmable gain amplifier (PGA). The component is rated for operation within a temperature range of -40°C to 125°C.
Feature Summary
- Integrates a 24-bit delta-sigma ADC architecture with a multiplexer and programmable gain amplifier for high-precision signal conditioning.
- Supports flexible input configurations including both differential and single-ended connections across ten available channels.
- Includes internal reference capabilities alongside external reference options to ensure measurement stability.
Applications
- Industrial process control systems requiring multi-channel precision measurements
- Portable battery-powered instrumentation due to low power consumption characteristics
- High-resolution data acquisition modules in automated testing equipment
Procurement Notes
Verify the specific suffix IRHBR indicates the reel packaging format when sourcing components. Confirm that the order quantity aligns with the manufacturer's standard packaging requirements to avoid handling discrepancies. Ensure compatibility with the required operating temperature range and supply voltage specifications before finalizing procurement decisions.
Selection Notes
Select this model when a fixed 10-channel configuration is required rather than the variable channel count found in other family members like the ADS1261IRHBT. Choose this variant over the automotive-rated ADS1261BQWRHMRQ1 if AEC-Q100 qualification is not necessary for the application environment.
Part Context
This component belongs to the ADS1261 series of precision analog-to-digital converters from Texas Instruments. It shares architectural similarities with the ADS1260 but provides additional input channels. The part is designed for applications demanding high resolution and low noise performance in compact form factors.
Replacement Considerations
The ADS1261BIRHBT serves as a parameter-equivalent alternative available in cut-tape packaging. Designers may also consider the ADS1261IRHBT if variable channel counts between five and ten are acceptable for the system design.
