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ADS1015IRUGR
Texas Instruments
IC ADC 12BIT SIGMA-DELTA 10X2QFN
30370 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
- (423 Ratings)
ADS1015IRUGR
Product Overview
1228514
DiGi Electronics Part Number
ADS1015IRUGR-DGManufacturer
Texas Instruments
ADS1015IRUGR
Description
IC ADC 12BIT SIGMA-DELTA 10X2QFNInventory
30370 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
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ADS1015IRUGR 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
I2C
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, 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
ADS1015
Datasheet & Documents
Manufacturer Product Page
ADS1015IRUGR Specifications
HTML Datasheet
ADS1015IRUGR-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
296-43557-1
296-43557-2
ADS1015IRUGR-DG
296-43557-6
Standard Package
3,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
грудня 02, 2025
售後服務讓我十分放心，且人員都很耐心解答我的疑惑。
грудня 02, 2025
這次購買的商品非常耐久，經過多次使用後仍然沒有任何損壞，品質令人放心。
грудня 02, 2025
DiGi Electronics’ consistent performance has earned our confidence and loyalty.
грудня 02, 2025
The affordability combined with consistent quality makes DiGi Electronics stand out in the market.
грудня 02, 2025
Every visit is a pleasant experience thanks to their friendly staff and reasonable prices.
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Exceptional inventory availability ensures timely deliveries, making our partnership seamless.
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I enjoyed how straightforward the checkout process was, saving me time.
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I appreciate how quickly DiGi Electronics responds to post-sale inquiries, ensuring customer satisfaction.
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Their commitment to customer care really makes a difference in my experience.
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Frequently Asked Questions (FAQ)
What are the key design risks when replacing the ADS1015IRUGR with a lower-cost 12-bit ADC like the MCP3422 in a battery-powered sensor node, and how can I mitigate signal integrity issues?
Replacing the ADS1015IRUGR with the MCP3422 introduces several design risks: the MCP3422 lacks a built-in programmable gain amplifier (PGA), requiring external amplification that increases noise and power consumption—critical in battery-powered applications. Additionally, the ADS1015IRUGR’s integrated MUX and selectable I2C addresses simplify multi-sensor designs, while the MCP3422 offers only two fixed addresses, limiting scalability. To mitigate signal integrity risks, ensure proper PCB layout with short analog traces, use a dedicated ground plane, and add a low-pass RC filter at the input. Always validate total system noise and power draw under real operating conditions before finalizing the substitution.
Can the ADS1015IRUGR safely interface with 5V analog sensors in a mixed-voltage system where the microcontroller runs at 3.3V, and what protection circuitry is recommended?
Yes, the ADS1015IRUGR can interface with 5V analog sensors because its analog supply (VDDA) accepts 2V to 5.5V, allowing direct connection to 5V signals. However, its digital I/O pins are not 5V-tolerant when VDD is below 5V. Since the digital supply (VDDD) and microcontroller typically run at 3.3V, you must use a bidirectional I2C level shifter (e.g., TXB0102) to prevent damage. Additionally, include series current-limiting resistors (100–470Ω) on SDA and SCL lines and ensure the sensor output does not exceed VDDA + 0.3V. This protects the device during power-up sequences or transient overvoltage events.
How does the internal reference of the ADS1015IRUGR impact measurement accuracy in high-temperature industrial environments, and should I use an external reference instead?
The ADS1015IRUGR uses an internal voltage reference with typical drift of 20 ppm/°C, which can introduce significant gain error over its full operating range (-40°C to 125°C)—up to 3.3 LSB at 12-bit resolution. In precision applications like industrial temperature sensing or strain gauge measurements, this drift may exceed acceptable tolerances. For improved stability, use a low-drift external reference (e.g., REF5025, 2.5V, 3 ppm/°C) connected to the ALERT/RDY pin (reconfigurable as REF in), but note this disables the alert function. Always recalibrate the system after thermal cycling and consider oversampling to reduce noise-induced errors.
What are the trade-offs when using the ADS1015IRUGR in single-ended mode versus differential mode for low-level sensor signals, and how does PGA gain selection affect noise performance?
Using the ADS1015IRUGR in single-ended mode simplifies wiring but sacrifices common-mode noise rejection, making it vulnerable to ground loops and EMI—especially with long sensor cables. Differential mode rejects common-mode interference and is preferred for low-level signals (<100mV). The integrated PGA (up to 16x gain) amplifies small signals but also amplifies input-referred noise; higher gains increase susceptibility to layout-induced noise. To optimize performance, use the lowest effective gain that keeps the signal within 80% of full scale, route analog inputs differentially with matched trace lengths, and place a 0.1µF decoupling capacitor near the AVDD pin to minimize supply noise coupling.
Is the ADS1015IRUGR suitable for replacing the ADS1115 in a high-precision data logging application, and what performance gaps should I expect despite both being from TI’s ADC family?
While the ADS1015IRUGR shares a similar architecture and package with the ADS1115, it is not a direct drop-in replacement for high-precision logging due to its 12-bit resolution (vs. 16-bit on ADS1115) and lower effective number of bits (ENOB ≈ 11.4). This results in reduced dynamic range and higher quantization error, especially when measuring small signal variations over time. Additionally, the ADS1015IRUGR’s maximum sampling rate of 3.3 kSPS limits its use in capturing fast transients compared to the ADS1115’s 860 SPS (but higher resolution). If your application requires microvolt-level resolution or long-term stability, stick with the ADS1115; otherwise, the ADS1015IRUGR offers a cost-effective alternative for moderate-accuracy systems with tighter space constraints.
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ADS1015IRUGR CAD Models
Texas Instruments ADS1015IRUGR PCB symbols & footprints
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