ADS1271IBPWG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
ADS1271IBPWG4 is a 24-bit delta-sigma ADC from Texas Instruments sampling at up to 105 kSPS with a maximum linearity error of 0.0015%. It accepts a 5 V analog input range and delivers industry-grade precision in a 16-pin TSSOP package. Ideal for high-accuracy industrial measurement, vibration analysis, and scientific instrumentation requiring wide dynamic range.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- ADS1271IBPWG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 105.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of ADS1271IBPWG4?
- 24-bit delta-sigma ADC with 105 kSPS maximum sample rate and 0.0015% linearity error for high-accuracy industrial data acquisition
- Single-channel architecture with 4.75 V to 5.25 V analog input range optimized for precision sensor interfaces in industrial environments
- 16-pin TSSOP package (JESD-30 R-PDSO-G16) with lead-free RoHS construction and 15-year estimated lifecycle for long production runs
What is ADS1271IBPWG4 used for?
ADS1271IBPWG4 is used in industrial vibration monitoring systems where 24-bit resolution and 105 kSPS throughput enable detection of mechanical faults across a wide 0 Hz to 40 kHz frequency band. Its precise delta-sigma architecture supports strain gauge amplifier chains in structural health monitoring, weighing systems, and seismic data loggers where sub-ppm noise floor is essential. The 5 V input range and 16-pin TSSOP package integrate cleanly into existing 5 V analog front-end signal chains alongside precision references and instrumentation amplifiers.
What are the specifications of ADS1271IBPWG4?
| YTEOL | 15 |
| Analog Input Voltage-Max | 5.25V |
| Analog Input Voltage-Min | 4.75V |
| Conversion Time-Max | 18.9629 µs |
| Converter Type | ADC, DELTA-SIGMA |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e4 |
| Linearity Error-Max (EL) | 0.0015% |
| Number of Analog In Channels | 1 |
| Number of Bits | 24 |
| Number of Functions | 1 |
| Output Bit Code | 2S COMPLEMENT BINARY |
| Output Format | SERIAL |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Sample Rate | 0.105MHz |
| Supply Current-Max | 25mA |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.30 |
| Country of Origin | Malaysia |
Where can I find the ADS1271IBPWG4 datasheet?
ADS1271IBPWG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for ADS1271IBPWG4?
Compatible alternatives and drop-in replacements for ADS1271IBPWG4:
Frequently Asked Questions
What resolution and sample rate does ADS1271IBPWG4 offer, and how does its linearity compare to 16-bit ADCs?
ADS1271IBPWG4 provides 24-bit resolution at up to 105 kSPS with a maximum linearity error of 0.0015%, equivalent to approximately 16 LSB at 24-bit scale. This is significantly more accurate than most 16-bit successive-approximation ADCs, which typically have linearity errors of 0.003% to 0.01%. The 24-bit dynamic range of approximately 144 dB enables measurement of signals spanning six orders of magnitude within a single acquisition.
For which industrial measurement applications does ADS1271IBPWG4 provide a measurable advantage over 16-bit ADCs?
ADS1271IBPWG4 delivers a clear advantage in vibration analysis systems measuring accelerometer outputs from 1 Hz to 40 kHz, where the 24-bit resolution captures both slow structural drift and fast mechanical resonance in a single channel. It also excels in precision weighing cells where 100 µV full-scale signals from a 5 V-excited strain gauge require better than 1 µV noise floor — achievable at ADS1271's 24-bit dynamic range but not with a 16-bit ADC sampling the same 5 V input range.
What is the maximum conversion time of ADS1271IBPWG4, and how does it affect latency in a real-time data acquisition system?
ADS1271IBPWG4 has a maximum conversion time of approximately 18.96 µs per sample, corresponding to 105 kSPS throughput. In a real-time data acquisition system, this sets a pipeline latency of roughly 19 µs from analog input to valid digital output word. For most vibration and structural monitoring applications using digital filters with bandwidths up to 40 kHz, this latency is acceptable and does not affect phase accuracy at frequencies below 10 kHz.
What analog input voltage range does ADS1271IBPWG4 require, and how should the reference be chosen?
ADS1271IBPWG4 operates with an analog supply voltage of 4.75 V to 5.25 V, and its input signal range scales with the reference voltage applied. Choosing a precision 5 V reference such as REF5050 from Texas Instruments, with 0.05% initial accuracy and 5 ppm/°C drift, maximizes the ADC's 24-bit effective resolution by keeping reference noise below the ADC's own noise floor of approximately 1 µV RMS at low bandwidth settings.
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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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