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ADC0848BCVX/NOPB
Texas Instruments
IC ADC 8BIT SAR 28PLCC
2121 Pcs New Original In Stock
8 Bit Analog to Digital Converter 4, 8 Input 1 SAR 28-PLCC (11.51x11.51)
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5.0 / 5.0
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ADC0848BCVX/NOPB
Product Overview
1256204
DiGi Electronics Part Number
ADC0848BCVX/NOPB-DGManufacturer
Texas Instruments
ADC0848BCVX/NOPB
Description
IC ADC 8BIT SAR 28PLCCInventory
2121 Pcs New Original In Stock
8 Bit Analog to Digital Converter 4, 8 Input 1 SAR 28-PLCC (11.51x11.51)
CAD Models - PCB Symbols & Footprints
Quantity
Minimum 1
Minimum 1
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ADC0848BCVX/NOPB Technical Specifications
Category
Data Acquisition, Analog to Digital Converters (ADC)
Packaging
Tape & Reel (TR)
Series
-
Product Status
Last Time Buy
Number of Bits
8
Sampling Rate (Per Second)
25k
Number of Inputs
4, 8
Input Type
Differential, Pseudo-Differential, Single Ended
Data Interface
Parallel
Configuration
MUX-ADC
Ratio - S/H:ADC
-
Number of A/D Converters
1
Architecture
SAR
Reference Type
External
Voltage - Supply, Analog
4.5V ~ 6V
Voltage - Supply, Digital
4.5V ~ 6V
Features
-
Operating Temperature
-40°C ~ 85°C
Package / Case
28-LCC (J-Lead)
Supplier Device Package
28-PLCC (11.51x11.51)
Mounting Type
Surface Mount
Base Product Number
ADC0848
Datasheet & Documents
HTML Datasheet
ADC0848BCVX/NOPB-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
2A (4 Weeks)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
*ADC0848BCVX/NOPB
2156-ADC0848BCVX/NOPB-TI
NATNSCADC0848BCVX/NOPB
ADC0848BCVX-NDR
Standard Package
750
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Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
サポート体制が整っており、どんな質問も丁寧に対応してくれました。
Dec 02, 2025
DiGi Electronics offers superb value with stable quality and budget-friendly prices.
Dec 02, 2025
My order was dispatched promptly, and I received consistent updates about its status.
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Frequently Asked Questions (FAQ)
What are the key design-in risks when using the ADC0848BCVX/NOPB in a mixed-signal PCB layout with noisy digital circuits?
When integrating the ADC0848BCVX/NOPB into a mixed-signal design, the primary risk lies in degraded signal integrity due to digital noise coupling into the analog inputs. Since the ADC0848BCVX/NOPB uses a SAR architecture without integrated digital filtering and relies on an external reference, it is highly sensitive to ground bounce and supply noise. Mitigate this by separating analog and digital ground planes tied at a single point near the ADC, using guard rings around analog traces, and decoupling both the analog (4.5V–6V) and digital supplies with 100nF ceramic and 10μF tantalum capacitors. Additionally, minimize trace lengths from sensors to the 8-channel multiplexer inputs to reduce crosstalk, especially when operating near the 25kSPS maximum sampling rate.
Can the ADC0848BCVX/NOPB replace the ADC0848CCVX/NOPB in an existing design without recalibrating the analog front end?
Yes, the ADC0848BCVX/NOPB can generally replace the ADC0848CCVX/NOPB pin-for-pin without front-end recalibration, as both parts share identical specifications including 8-bit SAR architecture, 28-PLCC package, and 4.5V–6V supply range. However, note that the 'B' grade has tighter offset and gain error tolerances compared to the 'C' grade, which may affect system-level accuracy in precision measurement applications. Verify performance under worst-case conditions—especially at -40°C or 85°C—since temperature-induced drift could differ slightly. Also confirm that the external reference stability aligns with the improved linearity of the B-grade device to avoid introducing new error sources.
How does the external reference requirement of the ADC0848BCVX/NOPB impact accuracy in battery-powered industrial sensor systems?
The ADC0848BCVX/NOPB's reliance on an external voltage reference introduces a critical dependency: any drift or noise in the reference directly affects conversion accuracy. In battery-powered systems where supply voltage declines over time, using a non-stabilized reference (e.g., derived from the supply rail) will result in increasing measurement error. To maintain accuracy, pair the ADC0848BCVX/NOPB with a low-drift, low-power precision reference such as the REF5025 or LM4040. Additionally, ensure the reference can source sufficient current during acquisition cycles, particularly when switching between multiple input channels via the internal MUX. Consider adding a reference buffer if driving long traces or multiple devices.
What are the reliability concerns when using the ADC0848BCVX/NOPB in high-vibration industrial environments with long-term operational needs?
While the ADC0848BCVX/NOPB is rated for -40°C to 85°C and packaged in a 28-PLCC (J-leaded) surface-mount format, the J-lead construction is more susceptible to fatigue under continuous mechanical vibration compared to gull-wing leads. In high-vibration environments—such as factory automation or transportation systems—this increases the risk of solder joint cracking over time. Mitigate this by using compliant PCB mounting techniques, such as adding adhesive underfill or reinforcing solder joints with epoxy. Also follow MSL 2A handling guidelines (4-week floor life) and ensure proper baking if the device has been exposed to humidity, as moisture ingress followed by reflow can lead to 'popcorning' and latent field failures.
Is the ADC0848BCVX/NOPB a viable drop-in alternative to the ADS8528SRGCR in legacy data acquisition systems requiring parallel interface support?
The ADC0848BCVX/NOPB is not a direct replacement for the ADS8528SRGCR due to significant architectural differences despite both being multi-channel ADCs. The ADS8528SRGCR is a 12-bit device with integrated reference and SPI interface, whereas the ADC0848BCVX/NOPB offers only 8-bit resolution, requires an external reference, and uses a parallel data bus. Migrating from the ADS8528SRGCR to the ADC0848BCVX/NOPB would compromise measurement precision and require major changes to the microcontroller interface and signal conditioning. However, if legacy system constraints demand a parallel interface and existing design already accommodates 8-bit resolution, the ADC0848BCVX/NOPB may serve as a last-time-buy option—but evaluate long-term availability; it’s marked as 'Last Time Buy,' requiring lifetime buy planning.
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ADC0848BCVX/NOPB CAD Models
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