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Product Detailed Parameters
- Description：IC ADC 32BIT SIGMA-DELTA 28TSSOP
- Series：-
- Mfr：Texas Instruments
- Package：Tube
- 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 ADS1263IPW is a high-resolution analog-to-digital converter from Texas Instruments, featuring a 32-bit resolution and a sampling rate of 38.4 kS/s. It utilizes a Sigma-Delta architecture with two converters housed in a TSSOP-28 package. The device supports differential and single-ended inputs via an SPI interface. It operates on an analog supply voltage ranging from 4.75 V to 5.25 V and a digital supply voltage between 2.7 V and 5.25 V. The component functions within a temperature range of -40°C to +125°C and includes an internal 2.5 V reference.
Feature Summary
- Integrated programmable gain amplifier (PGA) for signal conditioning
- Built-in excitation current sources (iDACs) for sensor biasing
- On-chip 50/60 Hz rejection capability for noise suppression
- Internal oscillator and temperature sensor integration
Applications
- Industrial process control systems requiring high precision
- Weigh scales and load cell measurement applications
- Medical instrumentation and diagnostic equipment
- Strain gauge and bridge sensor interfaces
Procurement Notes
Verify the specific suffix against official datasheets to confirm package type and tape/reel specifications. Confirm RoHS compliance status and moisture sensitivity level requirements before procurement. Ensure the ordering part number matches the exact functional variant required for the design.
Selection Notes
Select this component when 32-bit resolution and high-speed sampling are necessary. Verify that the input signal range aligns with the PGA capabilities. Check power supply constraints to ensure compatibility with the specified analog and digital voltage ranges. Consider thermal management for operation near the maximum temperature limit.
Part Context
This device belongs to the ADS126x series of precision ADCs. It shares architectural similarities with other members like the ADS1262 but offers distinct channel configurations. The IPW suffix indicates a TSSOP-28 surface-mount package suitable for automated assembly processes.
Replacement Considerations
ADS1262IPW: Similar architecture with different channel count. ADS1263IPWR: Same functionality in tape-and-reel packaging instead of tube.
