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Product Detailed Parameters
- Description：IC ADC 32BIT SIGMA-DELTA 28TSSOP
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Number of Bits：32
- Sampling Rate (Per Second)：38k
- Number of Inputs：5, 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：5V
- Voltage - Supply, Digital：2.7V ~ 5.25V
- Features：PGA, Temperature Sensor
- Operating Temperature：-40°C ~ 125°C
- Package / Case：28-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：28-TSSOP
- Mounting Type：Surface Mount
- Grade：-
- Qualification：-
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Overview
The ADS1263IPWR is a high-resolution, low-noise analog-to-digital converter (ADC) from Texas Instruments, featuring a 32-bit Sigma-Delta architecture. It integrates a programmable gain amplifier (PGA), a temperature sensor, and fault detection capabilities within a single chip. The device supports up to 11 differential or single-ended input channels and operates at sampling rates up to 38.4 kS/s. It functions with 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. The component is housed in a 28-pin TSSOP package and communicates via an SPI interface.
Feature Summary
- Integrates a 32-bit Sigma-Delta ADC with a programmable gain amplifier for high-precision signal conditioning.
- Includes built-in fault detection mechanisms to monitor input signals and ensure system reliability.
- Features an internal temperature sensor for monitoring device thermal conditions.
Applications
- Programmable logic controllers
- Industrial automation equipment
- Sensor measurement applications
Procurement Notes
Verify the specific suffix IPWR indicates the tape-and-reel packaging variant when sourcing. Confirm that the analog power supply requirements align with the 4.75 V to 5.25 V specification. Ensure the digital interface voltage levels are compatible with the 2.7 V to 5.25 V operating range. Check for RoHS compliance status if required by environmental regulations. Validate the 28-TSSOP footprint dimensions against the PCB layout design.
Selection Notes
Select this component for applications requiring high resolution and noise immunity over moderate speed. The integrated PGA reduces the need for external amplification stages. Consider the 38.4 kS/s maximum data rate when designing filter configurations. Evaluate the 11-channel multiplexer capability against system input requirements. Ensure the operating temperature range of -40°C to +125°C meets environmental constraints.
Part Context
The ADS1263 belongs to the ADS126x series of precision data converters designed for industrial environments. It shares architectural similarities with the ADS1262 but offers additional channel count variations. The device is part of Texas Instruments' portfolio aimed at replacing lower-resolution solutions in high-end industrial systems. Development tools such as the ADS1262EVM-PDK are available for evaluation purposes.
Replacement Considerations
The ADS1262 is a related device within the same family. Verify channel count and pinout compatibility before substitution. No other direct public substitute part numbers are confirmed in the provided documentation.
