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ADC081C021CIMMX/NOPB
Texas Instruments
IC ADC 8BIT SAR 8VSSOP
18252 Pcs New Original In Stock
8 Bit Analog to Digital Converter 1 Input 1 SAR 8-VSSOP
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5.0 / 5.0
- (155 Ratings)
ADC081C021CIMMX/NOPB
Product Overview
1238543
DiGi Electronics Part Number
ADC081C021CIMMX/NOPB-DGManufacturer
Texas Instruments
ADC081C021CIMMX/NOPB
Description
IC ADC 8BIT SAR 8VSSOPInventory
18252 Pcs New Original In Stock
8 Bit Analog to Digital Converter 1 Input 1 SAR 8-VSSOP
CAD Models - PCB Symbols & Footprints
Quantity
Minimum 1
Minimum 1
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ADC081C021CIMMX/NOPB Technical Specifications
Category
Data Acquisition, Analog to Digital Converters (ADC)
Packaging
Tape & Reel (TR)
Series
-
Product Status
Active
Number of Bits
8
Sampling Rate (Per Second)
188.9k
Number of Inputs
1
Input Type
Single Ended
Data Interface
I2C
Configuration
S/H-ADC
Ratio - S/H:ADC
1:1
Number of A/D Converters
1
Architecture
SAR
Reference Type
Supply
Voltage - Supply, Analog
2.7V ~ 5.5V
Voltage - Supply, Digital
2.7V ~ 5.5V
Features
-
Operating Temperature
-40°C ~ 105°C
Package / Case
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package
8-VSSOP
Mounting Type
Surface Mount
Base Product Number
ADC081C021
Datasheet & Documents
Manufacturer Product Page
ADC081C021CIMMX/NOPB Specifications
HTML Datasheet
ADC081C021CIMMX/NOPB-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
ADC081C021CIMMX-DG
296-43832-6
ADC081C021CIMMX
ADC081C021CIMMX/NOPB-DG
-296-43832-1-DG
296-43832-2
296-43832-1
Standard Package
3,500
Alternative Parts
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Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
經濟實惠的價格讓我經常光顧，是我購買的首選！
Dec 02, 2025
Je apprécie énormément leur support après-vente, ils assurent un suivi constant et efficace.
Dec 02, 2025
親切な対応と迅速な配送が印象的でした。おすすめできるショップです。
Dec 02, 2025
The well-designed packaging made the unboxing experience pleasant and stress-free.
Dec 02, 2025
I appreciated the personalized recommendations that made browsing more relevant and efficient.
Dec 02, 2025
Whenever we face issues, their prompt after-sales support resolves problems instantly.
Dec 02, 2025
The company's inventory processes are seamless, contributing to smooth supply chains.
Dec 02, 2025
Prices are very reasonable, making it easy to purchase multiple items without breaking the bank.
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Frequently Asked Questions (FAQ)
What are the key decision risks when selecting the ADC081C021CIMMX/NOPB over similar 8-bit ADCs like the ADS7884 for a high-noise industrial sensor interface?
When choosing the ADC081C021CIMMX/NOPB over alternatives like the ADS7884, engineers must evaluate its I2C interface in noise-prone environments—unlike SPI-based ADCs, I2C is more susceptible to timing corruption from ground bounce or EMI. The ADC081C021C021CIMMX/NOPB lacks an external reference pin, so noise on the supply directly impacts accuracy. Use a low-ESR ceramic bypass capacitor (e.g., 100nF) close to the AVDD pin and consider a separate LDO for analog power. Also, verify timing margins for I2C clock stretching under slow conversion conditions at maximum sampling rates.
How does the internal supply-based reference of the ADC081C021CIMMX/NOPB affect precision in battery-powered designs with fluctuating voltages?
The ADC081C021CIMMX/NOPB uses the analog supply as its voltage reference, so any variation in VDD directly alters the full-scale input range and introduces gain error. In battery-powered systems where voltage drops from 5.5V to 3.0V, this can cause up to ~50% effective FS reduction unless compensated. To maintain accuracy, pair it with a stable low-quiescent-current LDO or implement ratiometric scaling in firmware—measure supply voltage periodically and scale the ADC result accordingly to maintain calibration integrity.
Can the ADC081C021CIMMX/NOPB reliably replace the ADC081C021CIMM/NOPB in existing designs without footprint or thermal modifications?
Yes, the ADC081C021CIMMX/NOPB is a reel-format version of the ADC081C021CIMM/NOPB and shares identical electrical specifications and thermal performance in the 8-VSSOP package. Since both have the same thermal resistance (RθJA ~ 190°C/W) and MSL level 1, no layout or thermal pad redesign is needed. However, ensure your pick-and-place process is tuned for tape-and-reel handling, and confirm reel orientation doesn’t affect board loading in high-volume production.
What PCB layout practices should be followed to avoid signal integrity issues when integrating the ADC081C021CIMMX/NOPB in mixed-signal systems?
To maintain signal fidelity with the ADC081C021CIMMX/NOPB, separate analog and digital ground planes with a single-point star connection near the device. Route the analog input trace away from switching signals and keep it short—ideally under 10mm—to minimize parasitic capacitance and noise coupling. Use guard rings around the AIN pin connected to AGND, and place the 0.1μF decoupling capacitor directly between AVDD and AGND pins with minimal loop area. Avoid running digital I2C lines parallel to analog traces to reduce crosstalk.
What reliability concerns should be considered when deploying the ADC081C021CIMMX/NOPB in automotive under-hood applications near the 105°C temperature limit?
While the ADC081C021CIMMX/NOPB is rated for operation up to 105°C, prolonged exposure near this limit in under-hood environments can accelerate parametric drift and increase failure risk due to thermal cycling. Design with a minimum 10–15°C safety margin below Tmax by implementing thermal relief in the PCB and shielding the device from localized heat sources. Additionally, validate long-term performance with accelerated life testing, and monitor for cumulative stress effects on the I2C interface timing and S/H circuit linearity over temperature excursions.
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.
ADC081C021CIMMX/NOPB CAD Models
Texas Instruments ADC081C021CIMMX/NOPB PCB symbols & footprints
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