ADC0809CCV/NOPB Equivalent & Substitute Parts

Part Overview

The ADC0809CCV/NOPB is an 8-bit Successive Approximation Register (SAR) analog-to-digital converter manufactured by Texas Instruments, housed in a 28-PLCC surface mount package. This device features 8 single-ended analog inputs, external voltage reference capability, and parallel data interface, operating across -40°C to 85°C. The part is designated as Last Time Buy, indicating end-of-life status. Identifying equivalent and substitute components is essential for design continuity, inventory management, and long-term product support.

Substiute Parts

ADC0809CCV/NOPB

Texas InstrumentsIn Stock: 1902ADC0809CCV/NOPB Datasheet

Current PartRFQ

ADS8528SRGCR

Texas InstrumentsIn Stock: 771ADS8528SRGCR Datasheet

MFR RecommendedRFQ

ADC0808CCV/NOPB

Texas InstrumentsIn Stock: 2714ADC0808CCV/NOPB Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ADC0809CCV/NOPB are classified based on functional compatibility and allowed parameter variance:

Parametric Equivalent: ADC0808CCV/NOPB maintains identical electrical specifications including 8-bit resolution, 10 kSPS sampling rate, 8 single-ended inputs, parallel interface, SAR architecture, and external reference type. Supply voltage ranges and operating temperature remain unchanged. The primary difference is packaging format (Tube versus PLCC), which does not affect functional performance. This part qualifies as a direct parametric equivalent.

Manufacturer Recommended Substitute: ADS8528SRGCR represents an enhanced alternative with increased resolution (12-bit), higher sampling rate (650 kSPS), dual data interface support (SPI and Parallel), and extended operating temperature range (-40°C to 125°C). While this device exceeds the original specifications, it maintains 8 single-ended inputs, SAR architecture, and surface mount technology. The ADS8528SRGCR is classified as Active product status, ensuring long-term availability and support.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement: ADC0808CCV/NOPB serves as the parametric equivalent when packaging format flexibility exists. Both devices maintain identical electrical performance and operating specifications. Selection between these parts depends on packaging availability and supply chain considerations. Both parts carry Last Time Buy status, requiring inventory planning for long-term production needs.

For Enhanced Performance Requirements: ADS8528SRGCR is recommended when design specifications permit increased resolution, higher sampling rates, or extended temperature operation. This device provides Active product status, ensuring sustained manufacturer support and availability. The transition from 28-PLCC to 64-VQFN packaging requires PCB layout modification. The ADS8528SRGCR supports both parallel and SPI interfaces, offering design flexibility not present in the original device. Internal reference capability eliminates external reference circuit requirements in certain applications.

All substitute parts maintain ROHS3 compliance and EAR99 export classification consistent with the original component.

Frequently Asked Questions (FAQ)

Q: Can ADC0808CCV/NOPB directly replace ADC0809CCV/NOPB in existing designs?

A: Yes. Both devices are parametrically equivalent with identical 8-bit resolution, 10 kSPS sampling rate, 8 single-ended inputs, parallel interface, and operating temperature range. The primary difference is packaging format (Tube versus PLCC), which does not affect electrical performance or PCB integration.

Q: What are the key differences between ADC0809CCV/NOPB and ADS8528SRGCR?

A: The ADS8528SRGCR offers 12-bit resolution versus 8-bit, 650 kSPS sampling rate versus 10 kSPS, extended operating temperature to 125°C, dual interface support (SPI and Parallel), and internal reference option. The package changes from 28-PLCC to 64-VQFN, requiring PCB redesign. The ADS8528SRGCR maintains Active product status versus Last Time Buy.

Q: Is the ADS8528SRGCR pin-compatible with ADC0809CCV/NOPB?

A: No. The ADS8528SRGCR uses 64-VQFN packaging compared to 28-PLCC for the ADC0809CCV/NOPB. Pin count and layout differ significantly, requiring complete PCB redesign and firmware modification to support SPI or parallel interface selection.

Q: What supply voltage considerations apply when substituting with ADS8528SRGCR?

A: The ADC0809CCV/NOPB requires 4.5V to 6.5V for both analog and digital supplies. The ADS8528SRGCR requires 5V for analog supply and 2.7V to 5.5V for digital supply. Design modifications may be necessary to accommodate separate digital supply voltage regulation.

Q: Are all substitute parts RoHS compliant?

A: Yes. ADC0808CCV/NOPB and ADS8528SRGCR both maintain ROHS3 compliance, consistent with ADC0809CCV/NOPB.

Q: What is the impact of Last Time Buy status on component selection?

A: Last Time Buy designation indicates end-of-life production. ADC0809CCV/NOPB and ADC0808CCV/NOPB will not receive future manufacturing runs. ADS8528SRGCR carries Active status, ensuring continued availability and long-term supply chain stability for new designs or production extensions.