PADS1261IRHBT Texas Instruments Inductor (Quad Flat No-Lead) In Stock
PADS1261IRHBT is a 24-bit, 40 kSPS, 10-channel delta-sigma ADC by Texas Instruments with integrated PGA, voltage reference, 2 IDACs, and AC excitation for factory automation. Key specs: 24-bit resolution, 40 kSPS output data rate, 10 differential input channels. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Quad Flat No-Lead
- Pin Count
- 33
- Lifecycle
- OBSOLETE
- Datasheet
- PADS1261IRHBT Datasheet PDF
- Category
- Inductor
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 24-bit delta-sigma ADC with 40 kSPS output data rate and 10 differential input channels, enabling simultaneous multi-sensor acquisition in industrial measurement systems
- Integrated programmable gain amplifier (PGA) and dual IDACs (IDACs) for direct sensor excitation, eliminating external amplification and excitation circuitry
- On-chip AC excitation capability for resistive bridge and RTD sensor measurements, reducing lead-resistance errors in factory automation applications
Applications
The PADS1261IRHBT is designed for precision industrial measurement systems such as strain gauge bridges, load cells, RTD temperature sensors, and pressure transmitters in factory automation and process control equipment. Its integrated PGA, dual IDACs, and AC excitation simplify signal chain design by reducing external component count while maintaining 24-bit measurement accuracy. The device is also used in weigh scales, analytical instruments, and data acquisition modules where simultaneous multi-channel high-resolution ADC conversion is required.
Specifications
| Date Of Intro | 2018-05-02 |
| YTEOL | 0 |
| Converter Type | ADC, DELTA-SIGMA |
| Output Bit Code | OFFSET BINARY |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.39.00.30 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the AC excitation feature of PADS1261IRHBT reduce measurement errors in RTD circuits?
The PADS1261IRHBT AC excitation alternates current direction through the RTD at a fixed frequency, cancelling offset errors and thermoelectric EMF contributions from lead resistance. This improves measurement accuracy compared to DC excitation, particularly in 2-wire RTD configurations over long cable runs in factory environments.
What ADC resolution and maximum sample rate does the PADS1261IRHBT provide for industrial sensor digitization?
The PADS1261IRHBT provides 24-bit resolution at output data rates up to 40 kSPS, delivering a dynamic range suitable for digitizing low-level signals from strain gauges and load cells while resolving micro-volt level differences critical in precision weighing and force measurement applications.
How many differential input channels does the PADS1261IRHBT support for multi-sensor data acquisition?
The PADS1261IRHBT supports 10 differential input channels, allowing a single device to scan up to 10 independent sensor signals. This multi-channel capability eliminates the need for external multiplexers in many factory automation data acquisition designs, reducing board complexity.
Is the PADS1261IRHBT suitable for use in industrial temperature ranges and what package does it use?
The PADS1261IRHBT is rated for industrial temperature operation from -40°C to 125°C and comes in a compact QFN package (RHB). This rating and package make it appropriate for harsh factory floor installations where ambient temperatures and humidity levels exceed consumer-grade limits.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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