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ADS1114IRUGT
Texas Instruments
IC ADC 16BIT SIGMA-DELTA 10X2QFN
3004 Pcs New Original In Stock
16 Bit Analog to Digital Converter 1, 2 Input 1 Sigma-Delta 10-X2QFN (2x1.5)
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5.0 / 5.0
- (514 Ratings)
ADS1114IRUGT
Product Overview
1251254
DiGi Electronics Part Number
ADS1114IRUGT-DGManufacturer
Texas Instruments
ADS1114IRUGT
Description
IC ADC 16BIT SIGMA-DELTA 10X2QFNInventory
3004 Pcs New Original In Stock
16 Bit Analog to Digital Converter 1, 2 Input 1 Sigma-Delta 10-X2QFN (2x1.5)
Quantity
Minimum 1
Minimum 1
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ADS1114IRUGT Technical Specifications
Category
Data Acquisition, Analog to Digital Converters (ADC)
Packaging
Cut Tape (CT) & Digi-Reel®
Series
-
Product Status
Active
Number of Bits
16
Sampling Rate (Per Second)
860
Number of Inputs
1, 2
Input Type
Differential, Single Ended
Data Interface
I2C
Configuration
PGA-ADC
Ratio - S/H:ADC
-
Number of A/D Converters
1
Architecture
Sigma-Delta
Reference Type
Internal
Voltage - Supply, Analog
2V ~ 5.5V
Voltage - Supply, Digital
2V ~ 5.5V
Features
PGA, Selectable Address
Operating Temperature
-40°C ~ 125°C
Package / Case
10-XFQFN
Supplier Device Package
10-X2QFN (2x1.5)
Mounting Type
Surface Mount
Base Product Number
ADS1114
Datasheet & Documents
Manufacturer Product Page
ADS1114IRUGT Specifications
HTML Datasheet
ADS1114IRUGT-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
-296-24933-1-DG
-296-24933-1-NDR
296-24933-1-NDR
TEXTISADS1114IRUGT
296-24933-1
296-24933-2
296-24933-6
296-24933-2-NDR
-ADS1114IRUGT-NDR
296-24933-6-NDR
2156-ADS1114IRUGT
Standard Package
250
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
계속해서 믿고 사용할 수 있는 브랜드입니다.
de desembre 02, 2025
Une expérience d’achat qui respecte la planète grâce à leur emballage écologique.
de desembre 02, 2025
Efficient shipping made my shopping experience worry-free.
de desembre 02, 2025
Their support team provides comprehensive solutions and guidance after purchase.
de desembre 02, 2025
Their dedicated support team provides quick and effective solutions, which keeps our operations running smoothly.
de desembre 02, 2025
I appreciate their consistent on-time delivery, which is crucial for my business timelines.
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Frequently Asked Questions (FAQ)
What are the key design risks when replacing the ADS1114IRUGT with a lower-cost 16-bit ADC like the MCP3424 in a precision sensor interface, and how can I mitigate signal integrity issues?
Replacing the ADS1114IRUGT with the MCP3424 introduces several risks due to architectural differences: the MCP3424 uses a delta-sigma ADC but lacks an integrated PGA and has a slower effective throughput (3.75 SPS max vs. 860 SPS on the ADS1114IRUGT), which may degrade dynamic response in real-time monitoring applications. Additionally, the MCP3424 requires external gain stages for small signals, increasing noise susceptibility. To mitigate this, ensure proper layout with guard rings around analog inputs, use a low-noise reference, and validate SNR performance across your full input range. Always test under worst-case temperature conditions (-40°C to 125°C), as the ADS1114IRUGT’s internal reference stability (±0.05% typical) is superior to many discrete solutions used with the MCP3424.
Can the ADS1114IRUGT safely operate in a 5V industrial environment with noisy power rails, and what filtering techniques are recommended to maintain 16-bit accuracy?
Yes, the ADS1114IRUGT can operate in 5V industrial environments (within its 2V–5.5V supply range), but maintaining 16-bit accuracy demands careful power supply conditioning. The device is sensitive to high-frequency noise on the analog and digital supplies; without filtering, rail ripple can manifest as code jitter or INL errors. Implement a π-filter (ferrite bead + 10µF ceramic + 100nF) on both AVDD and DVDD, and place a 100nF bypass capacitor within 2mm of each supply pin. Avoid sharing noisy digital rails—use a separate LDO for analog power if possible. Also, route I2C lines away from switching nodes to prevent coupling into the ADC core, which could corrupt conversion results.
How does the ADS1114IRUGT compare to the ADS1115IRUGT when designing a multi-channel data acquisition system with limited I2C address space?
The ADS1114IRUGT offers a significant advantage over the ADS1115IRUGT in I2C-constrained designs because it supports only one configurable address (via the ADDR pin), whereas the ADS1115IRUGT supports four. While this might seem limiting, it simplifies firmware and reduces address conflicts in dense systems where multiple ADCs share a bus. However, if you need more than one ADC per bus, the ADS1115IRUGT is preferable. For single-channel or dual-input applications where channel count isn’t the bottleneck, the ADS1114IRUGT’s simpler addressing reduces software complexity and eliminates the risk of misconfigured addresses—a common field failure mode in multi-ADC deployments.
What reliability concerns should I consider when using the ADS1114IRUGT in automotive or high-vibration environments, especially regarding its 10-X2QFN package?
The ADS1114IRUGT’s 10-X2QFN (2x1.5mm) package, while compact, presents mechanical reliability challenges in high-vibration environments such as automotive under-hood applications. The small pad size increases susceptibility to solder joint fatigue over thermal and mechanical cycling. To mitigate this, use a robust solder paste (e.g., SAC305 with no-clean flux), ensure proper stencil aperture design (1:1 ratio with 50–75µm thickness), and consider underfill if the PCB is subject to repeated shock. Additionally, verify that the PCB substrate has matched CTE to minimize stress. Although the device is rated for -40°C to 125°C operation, accelerated life testing under vibration profiles per ISO 16750-3 is recommended to validate long-term reliability before deployment.
Is it safe to connect the ADS1114IRUGT’s inputs directly to a 4–20mA loop without additional protection, and what circuit modifications are needed to prevent damage during fault conditions?
No, connecting the ADS1114IRUGT directly to a 4–20mA loop is unsafe and risks permanent damage. The ADC’s absolute maximum input voltage is VDD + 0.3V, and a typical 24V loop can far exceed this during open-circuit faults. Always include a precision shunt resistor (e.g., 250Ω, 0.1%) to convert current to voltage, followed by a TVS diode (e.g., SMAJ5.0A) clamped to ground and a series current-limiting resistor (1kΩ). Add a low-pass RC filter (e.g., 1kΩ + 100nF) to suppress EMI and protect the PGA inputs. Ensure the resulting voltage stays within the ADS1114IRUGT’s differential input range (–0.3V to VDD + 0.3V). This approach preserves accuracy while protecting against overvoltage, ESD, and inductive transients common in industrial environments.
Quality Assurance (QC)
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ADS1114IRUGT CAD Models
Texas Instruments ADS1114IRUGT PCB symbols & footprints
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