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ADC0848BCVX Equivalent & Substitute Parts
Part Overview
The ADC0848BCVX is an 8-bit Analog to Digital Converter manufactured by Texas Instruments, designed for data acquisition applications requiring multiplexed input channels with SAR (Successive Approximation Register) architecture. This component features 4 or 8 selectable input channels, parallel data interface, and external voltage reference capability. The part is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support, design updates, and production continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | ADC0848BCVX |
| Manufacturer | Texas Instruments |
| Number of Bits | 8 |
| Sampling Rate | 25 kSPS |
| Number of Inputs | 4, 8 |
| Input Type | Differential, Pseudo-Differential, Single Ended |
| Data Interface | Parallel |
| Configuration | MUX-ADC |
| Architecture | SAR |
| Reference Type | External |
| Voltage Supply (Analog) | 4.5V ~ 6V |
| Voltage Supply (Digital) | 4.5V ~ 6V |
| Operating Temperature | -40°C ~ 85°C |
| Package Type | 28-PLCC (11.51x11.51) |
| Mounting Type | Surface Mount |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution eligibility for the ADC0848BCVX is determined by strict parametric matching across the following critical criteria:
Resolution & Conversion: 8-bit resolution with 25 kSPS sampling rate Input Configuration: Support for 4 or 8 multiplexed input channels with differential, pseudo-differential, and single-ended input types Interface & Architecture: Parallel data interface with SAR conversion architecture Power Supply: Dual supply rails (analog and digital) operating within 4.5V to 6V range Package Compatibility: 28-PLCC surface mount package with identical footprint dimensions (11.51x11.51 mm) Temperature Range: Industrial operating range of -40°C to 85°C
The ADC0848CCVX/NOPB qualifies as a parametric equivalent based on complete alignment across all specified parameters. Substitution is valid only when all listed criteria are met in the target application.
Parameter Comparison
| Parameter | ADC0848BCVX (Main Part) | ADC0848CCVX/NOPB (Substitute) |
|---|---|---|
| Manufacturer | Texas Instruments | National Semiconductor |
| Number of Bits | 8 | 8 |
| Sampling Rate (kSPS) | 25 | 25 |
| Number of Inputs | 4, 8 | 4, 8 |
| Input Type | Differential, Pseudo-Differential, Single Ended | Differential, Pseudo-Differential, Single Ended |
| Data Interface | Parallel | Parallel |
| Configuration | MUX-ADC | MUX-ADC |
| Architecture | SAR | SAR |
| Reference Type | External | External |
| Voltage Supply (Analog) | 4.5V ~ 6V | 4.5V ~ 6V |
| Voltage Supply (Digital) | 4.5V ~ 6V | 4.5V ~ 6V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Package / Case | 28-PLCC (11.51x11.51) | 28-PLCC (11.51x11.51) |
| Mounting Type | Surface Mount | Surface Mount |
| Product Status | Obsolete | Active |
Engineering Selection Recommendations
The ADC0848CCVX/NOPB is the designated parametric equivalent for the obsolete ADC0848BCVX. Selection of this substitute is supported by:
Product Status: The substitute part maintains active production status, ensuring long-term availability and supply chain reliability compared to the obsolete main part.
Compliance & Certifications: Both parts share identical ECCN (EAR99) and HTSUS (8542.39.0001) classifications, confirming regulatory equivalence for export and trade purposes.
Parametric Alignment: Complete electrical and mechanical specification match across resolution, sampling rate, input configuration, supply voltage, temperature range, and package footprint eliminates design modification requirements.
Inventory Availability: The substitute part demonstrates higher stock levels (3304 units) relative to the main part (1582 units), supporting immediate procurement for production and replacement applications.
Frequently Asked Questions (FAQ)
Q: Can the ADC0848CCVX/NOPB be used as a direct replacement for the ADC0848BCVX in existing designs?
A: Yes. The ADC0848CCVX/NOPB is a parametric equivalent with identical electrical specifications, input configuration, supply voltage requirements, operating temperature range, and 28-PLCC package footprint. No circuit modifications or PCB redesign are required for substitution.
Q: What is the primary reason for seeking a substitute for the ADC0848BCVX?
A: The ADC0848BCVX is classified as obsolete. The ADC0848CCVX/NOPB maintains active production status, ensuring continued availability for new designs, production runs, and field replacements.
Q: Are there differences in packaging between these parts?
A: No. Both parts use the 28-PLCC surface mount package with identical dimensions (11.51x11.51 mm). PCB footprints and assembly processes remain unchanged.
Q: Do the parts have different supply voltage requirements?
A: No. Both the ADC0848BCVX and ADC0848CCVX/NOPB require identical dual supply voltages: 4.5V to 6V for both analog and digital rails.
Q: What input configurations are supported by the substitute part?
A: The ADC0848CCVX/NOPB supports 4 or 8 multiplexed input channels with differential, pseudo-differential, and single-ended input types, matching the main part exactly.
Q: Are there compliance or regulatory differences between the parts?
A: No. Both parts share identical ECCN and HTSUS classifications, confirming regulatory and export compliance equivalence.
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