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Product Detailed Parameters
- Description：24-BIT, 40-KSPS, 1-CH DELTA-SIGM
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Number of Bits：24
- Sampling Rate (Per Second)：40k
- Number of Inputs：1
- Input Type：Differential, Single Ended
- Data Interface：Serial, SPI
- Configuration：PGA-ADC
- Ratio - S/H:ADC：0:01
- Number of A/D Converters：1
- Architecture：Sigma-Delta
- Reference Type：External
- Voltage - Supply, Analog：4.75V ~ 5.25V, 10V ~ 36V
- Voltage - Supply, Digital：2.7V ~ 5.25V
- Features：-
- 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 ADS125H01IRHBT is a single-channel, 24-bit delta-sigma analog-to-digital converter (ADC) manufactured by Texas Instruments. It operates with a maximum sampling rate of 40 kSPS and supports both differential and single-ended input configurations. The device utilizes an SPI interface for digital communication. Power requirements include an analog supply voltage range of 4.75 V to 5.25 V and a digital supply voltage range of 2.7 V to 5.25 V. It is housed in a VQFN-32 package and functions within a temperature range of -30°C to +125°C.
Feature Summary
- 24-bit resolution with 40 kSPS data rate
- Integrated PGA and internal oscillator
- Supports 50/60 Hz line frequency rejection
- VQFN-32 compact surface-mount package
Applications
- Industrial process control systems
- High-precision sensor interfaces
- Weighing scales and load cell measurements
- Medical instrumentation requiring high resolution
Procurement Notes
Verify the specific suffix 'IRHBT' against official Texas Instruments documentation to confirm pinout, thermal characteristics, and moisture sensitivity level. Ensure compatibility with system power rails, as the analog supply requires 4.75–5.25 V while the digital supply accepts 2.7–5.25 V. Confirm availability through authorized distributors given potential supply chain variations.
Selection Notes
Select this component when a single-channel, high-resolution ADC is required with integrated programmable gain amplifier capabilities. The wide operating temperature range (-30°C to +125°C) makes it suitable for harsh industrial environments. Compare against other ADS125H variants if multiple channels or different packaging options are needed.
Part Context
This part belongs to the ADS125H series of low-noise, high-precision delta-sigma ADCs from Texas Instruments. The series is designed for applications demanding high accuracy and stability. The IRHBT designation indicates a specific tape-and-reel packaging variant within the VQFN-32 family, optimized for automated surface-mount assembly processes.
Replacement Considerations
Direct substitutes within the same family include the ADS125H02, which offers two channels instead of one. Other compatible devices may include the ADS1251 or ADS1255, though these differ in channel count, interface options, or power specifications. Verify pin-to-pin compatibility before substitution.
