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ADS131M02IPWR
Two-channel, 24-bit, 64-kSPS, simultaneous-sampling, delta-sigma ADC
ADS131M02IPWR
Two-channel, 24-bit, 64-kSPS, simultaneous-sampling, delta-sigma ADC
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Manufacturer Part # : ADS131M02IPWR
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Package/Case: TSSOP-20
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Brand: Texas Instruments
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Product Categories : Analog to Digital Converters (ADC)
Quality Assurance
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Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
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Service & Packaging
Service & Packaging
About After Sales Service
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Initiate the application within 90 days from the shipment date.
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ADS131M02IPWR DataSheet
Pricing (USD)
| Quantity | Unit Price | Ext. Price |
|---|---|---|
| 1 | $2.991 | $2.99 |
| 10 | $2.619 | $26.19 |
| 30 | $2.398 | $71.94 |
| 100 | $2.021 | $202.10 |
| 500 | $1.919 | $959.50 |
| 1000 | $1.872 | $1,872.00 |
These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.
Details
The ADS131M02 is a two-channel, simultaneously-sampling, 24-bit, delta-sigma(ΔΣ), analog-to-digital converter (ADC) that offers wide dynamic range, low power,and energy-measurement-specific features, making the device an excellent fit forenergy metering, power metrology, and circuit breaker applications. The ADC inputscan be directly interfaced to a resistor-divider network or a power transformer tomeasure voltage or to a current transformer, shunt, or a Rogowski coil to measurecurrent.The individual ADC channels can beindependently configured depending on the sensor input. A low-noise, programmablegain amplifier (PGA) provides gains ranging from 1 to 128 to amplify low-levelsignals. Additionally, this device integrates channel-to-channel phase calibrationand offset and gain calibration registers to help remove signal-chain errors.A low-drift, 1.2-V reference isintegrated into the device reducing printed circuit board (PCB) area. Optionalcyclic redundancy checks (CRCs) on the data input, data output, and register mapmaintain communication integrity.The complete analog front-end (AFE) isoffered in a 20-pin TSSOP package or a leadless 20-pin WQFN package and is specifiedover the industrial temperature range of –40°C to +125°C.
Key Features
- 2 simultaneously sampling differential inputs
- Programmable data rate up to 64kSPS
- Programmable gain up to 128
- Noise performance:
- 102-dB dynamic range at gain = 1, 4 kSPS
- 80-dB dynamic range at gain = 64, 4 kSPS
- Total harmonic distortion: –100 dB
- High-impedance inputs for direct sensor connection:
- Input impedance of 330 kΩfor gains of1, 2, and 4
- Input impedance of ≥1 MΩfor gains of8, 16, 32, 64, and 128
- Programmable channel-to-channel phase delay calibration:
- 244-ns resolution, 8.192-MHz fCLKIN
- Current-detect mode allows for extremely low power tamper detection
- Integrated negative charge pump allows input signals below ground
- Crosstalk between channels: –120 dB
- Low-drift internal voltage reference
- Cyclic redundancy check (CRC) on communications and register map
- 2.7-V to 3.6-V analog and digitalsupplies
- Low power consumption: 2.3 mW at 3-V AVDD and DVDD
- Packages: 20-pin TSSOP or 20-pin WQFN
- Operating temperature range: –40°C to +125°C
Application
• Electricity meters: commercial and residential
• Circuit breakers
• Protection relays
• Power quality meters
• Battery test equipment
• Battery management systems
Specification Comparison
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is ADS131M02IPWR?
The ADS131M02IPWR is a precision 32-bit delta-sigma analog-to-digital converter (ADC) manufactured by Texas Instruments. It is designed for applications requiring high-resolution, low-power, and low-noise performance, such as industrial control systems, medical instrumentation, and data acquisition systems.
How Does ADS131M02IPWR Work?
The ADS131M02IPWR operates by converting analog signals into digital data with high resolution using a delta-sigma architecture. It incorporates a digital filter and a programmable gain amplifier to achieve accurate and noise-free conversion. The ADC offers multiple analog input channels and various output data interfaces for flexible system integration.
How Many Pins does ADS131M02IPWR have and What are the Functions of the Pinout Configuration?
The ADS131M02IPWR is available in a 14-lead TSSOP (Thin Shrink Small Outline Package) package. The pinout configuration includes:
- AVDD, DVDD: Analog and digital power supply pins, respectively.
- AGND, DGND: Analog and digital ground pins, respectively.
- AIN0-7: Analog input channels.
- SCLK, DIN, DOUT, CS, START: Serial interface control pins.
- DRDY/RESET: Data ready output/reset pin.
What are the Pros and Cons of ADS131M02IPWR?
Pros:
- High Resolution: Offers 32-bit resolution for extremely accurate measurements.
- Low Power Consumption: Operates with low power, suitable for battery-powered devices.
- Low Noise: Achieves low noise performance for precise signal acquisition.
- Programmable Gain: Allows for flexibility in adjusting the gain settings for different input signals.
- Multiple Channels: Provides multiple analog input channels for versatile measurement applications.
Cons:
- Cost: High-resolution ADCs like the ADS131M02IPWR may be more expensive than lower-resolution options.
- Complexity: Requires careful design considerations for noise, grounding, and layout to optimize performance.
- External Components: Additional external components may be needed for specific application requirements.
Are There Any Equivalents/Alternatives to ADS131M02IPWR for Recommendation?
- The ADS1299 from Texas Instruments is a similar high-precision 32-bit ADC with additional features.
- Alternatives to the ADS131M02IPWR include the LTC2500-32 from Analog Devices and the MAX11211 from Maxim Integrated.
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