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ADS1018IRUGT
Texas Instruments
IC ADC 12BIT SIGMA-DELTA 10X2QFN
2163 Pcs New Original In Stock
12 Bit Analog to Digital Converter 2, 4 Input 1 Sigma-Delta 10-X2QFN (2x1.5)
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5.0 / 5.0
- (426 Ratings)
ADS1018IRUGT
Product Overview
1259458
DiGi Electronics Part Number
ADS1018IRUGT-DGManufacturer
Texas Instruments
ADS1018IRUGT
Description
IC ADC 12BIT SIGMA-DELTA 10X2QFNInventory
2163 Pcs New Original In Stock
12 Bit Analog to Digital Converter 2, 4 Input 1 Sigma-Delta 10-X2QFN (2x1.5)
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
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ADS1018IRUGT Technical Specifications
Category
Data Acquisition, Analog to Digital Converters (ADC)
Packaging
Cut Tape (CT) & Digi-Reel®
Series
-
Product Status
Active
Number of Bits
12
Sampling Rate (Per Second)
3.3k
Number of Inputs
2, 4
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
Internal
Voltage - Supply, Analog
2V ~ 5.5V
Voltage - Supply, Digital
2V ~ 5.5V
Features
PGA, Temperature Sensor
Operating Temperature
-40°C ~ 125°C
Package / Case
10-XFQFN
Supplier Device Package
10-X2QFN (2x1.5)
Mounting Type
Surface Mount
Base Product Number
ADS1018
Datasheet & Documents
HTML Datasheet
ADS1018IRUGT-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
296-35611-1
296-35611-2
296-35611-6
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
商品很快就送到，售後反饋也非常積極，讓我覺得購物完全沒有壓力。
de desembre 02, 2025
配送の進行状況をリアルタイムで確認できて、とても安心感がありました。包装も品質が高く、信頼できるサービスです。
de desembre 02, 2025
Customer service at DiGi Electronics is exceptional—friendly, attentive, and always willing to go the extra mile to ensure satisfaction.
de desembre 02, 2025
Choosing DiGi Electronics means getting great value every time.
de desembre 02, 2025
The affordability of their offerings supports remote workers in building effective work environments.
de desembre 02, 2025
Their packaging is robust and designed to withstand rough handling.
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Frequently Asked Questions (FAQ)
Can the ADS1018IRUGT replace a 16-bit ADC like the ADS1115 in a low-cost industrial sensor node without sacrificing critical measurement accuracy?
The ADS1018IRUGT is a 12-bit sigma-delta ADC with a maximum effective resolution of ~11.5 bits due to noise, making it unsuitable as a direct replacement for the 16-bit ADS1115 in high-precision applications such as strain gauge or RTD measurements where microvolt-level signals matter. However, in cost-sensitive designs with relaxed accuracy requirements—like temperature monitoring using thermistors or basic current sensing—the ADS1018IRUGT can be a viable alternative if signal conditioning and software averaging are used to mitigate quantization error. Always validate system-level accuracy under real operating conditions before committing to the swap.
What are the risks of using the internal reference of the ADS1018IRUGT for precision measurements over its full -40°C to 125°C operating range?
The ADS1018IRUGT’s internal voltage reference has a typical drift of 20 ppm/°C, which can introduce up to ±0.3% gain error across the full temperature range—significant in calibration-critical systems. For applications requiring stable measurements (e.g., battery monitoring or process control), this drift may exceed acceptable tolerances. To mitigate risk, use external ratiometric sensing with a precision reference (e.g., REF5025) or implement periodic self-calibration routines. If board space and BOM cost allow, consider upgrading to the ADS1118, which offers better reference stability, though at higher power and cost.
How does the ADS1018IRUGT compare to the MCP3422 in single-ended, multi-channel data logging applications with mixed signal types?
While both the ADS1018IRUGT and MCP3422 offer 12-bit resolution and I²C/SPI interfaces, the ADS1018IRUGT supports true differential inputs and includes an integrated PGA, enabling better noise rejection and flexible gain settings (up to 16x)—critical when measuring small signals from sensors like thermocouples or load cells. The MCP3422 lacks a PGA and has lower input impedance, making it less suitable for high-impedance sources. However, the MCP3422 offers higher sample rates (up to 3.75 kSPS vs. 3.3 kSPS) and lower power, favoring battery-powered loggers. Choose the ADS1018IRUGT when signal integrity and gain flexibility outweigh speed and power concerns.
Is the ADS1018IRUGT suitable for high-reliability automotive applications given its MSL-1 rating and operating temperature range?
Although the ADS1018IRUGT is rated for -40°C to 125°C and has an MSL-1 (unlimited floor life) classification—indicating robust moisture resistance—it lacks AEC-Q100 qualification, which is typically required for automotive-grade designs. Using it in under-hood or safety-critical systems introduces compliance and long-term reliability risks, especially regarding electromigration and thermal cycling. For prototyping or non-critical cabin electronics, it may suffice, but for production automotive designs, consider qualified alternatives like the ADS1119 (AEC-Q100 Grade 1). Always perform HALT/HAST testing if deploying the ADS1018IRUGT in harsh environments.
What layout and grounding practices are essential when integrating the ADS1018IRUGT into a mixed-signal PCB with digital noise sources nearby?
The ADS1018IRUGT’s 10-X2QFN package has an exposed thermal pad that must be connected to a clean analog ground plane to minimize ground bounce and thermal resistance. Route analog input traces away from digital lines (especially SPI clock and microcontroller buses), use guard rings if necessary, and place the decoupling capacitor (100 nF ceramic) as close as possible to the AVDD pin. Avoid splitting the ground plane; instead, use a single-point star ground near the ADC. Since the device shares analog and digital supplies (2V–5.5V), ensure clean power delivery with LC filtering if digital noise is severe. Poor layout can degrade SNR by 3–6 dB, negating the benefits of the sigma-delta architecture.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
ADS1018IRUGT CAD Models
Texas Instruments ADS1018IRUGT PCB symbols & footprints
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