TAS3202PAG Equivalent & Substitute Parts

Part Overview

The TAS3202PAG is an embedded audio digital signal processor manufactured by Texas Instruments, designed for fixed-point audio processing applications. This active product operates at 135MHz with integrated I2C, I2S, PCM, SPI, and UART interfaces, making it suitable for embedded audio systems requiring real-time signal processing. The device is housed in a 64-TQFP surface mount package and operates across a 0°C to 70°C temperature range. Finding equivalent or substitute parts may be necessary due to inventory constraints, supply chain considerations, or specific application requirements that demand alternative interface configurations or performance characteristics.

Substiute Parts

TAS3202PAG

Texas InstrumentsIn Stock: 843TAS3202PAG Datasheet

Current PartRFQ

PCM3070IRHBT

Texas InstrumentsIn Stock: 1611PCM3070IRHBT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The PCM3070IRHBT is identified as a manufacturer-recommended substitute for the TAS3202PAG. Substitution logic is based on the following criteria:

Common Substitution Parameters:

• Manufacturer: Both devices are manufactured by Texas Instruments
• Product Status: Both are active products
• RoHS Compliance: Both meet ROHS3 requirements
• REACH Status: Both are REACH Unaffected
• ECCN Classification: Both classified as EAR99
• HTSUS Code: Both share the same tariff classification (8542.39.0001)
• Surface Mount Technology: Both utilize surface mount packaging

Functional Differentiation: The PCM3070IRHBT operates as a stereo audio codec with 32-bit resolution and integrated ADC/DAC functionality, whereas the TAS3202PAG functions as a fixed-point audio DSP. These devices serve different roles within audio processing architectures and should be evaluated based on specific application requirements regarding signal processing versus audio codec functionality.

Parameter Comparison

Engineering Selection Recommendations

Both the TAS3202PAG and PCM3070IRHBT maintain active product status with identical regulatory compliance profiles. Selection between these devices should be determined by application-specific requirements:

TAS3202PAG is appropriate for applications requiring dedicated fixed-point digital signal processing with multi-protocol interface support (I2C, I2S, PCM, SPI, UART) and higher on-chip RAM capacity (31.625kB).

PCM3070IRHBT is appropriate for applications requiring integrated stereo audio codec functionality with ADC/DAC conversion, 32-bit resolution, and lower power supply voltage flexibility (1.1V ~ 3.6V digital supply).

Both devices comply with ROHS3 and REACH requirements, ensuring regulatory alignment for commercial and industrial applications. The choice between these parts depends on whether the application architecture requires dedicated DSP processing or integrated audio codec functionality.

Frequently Asked Questions (FAQ)

Q: Can the PCM3070IRHBT directly replace the TAS3202PAG in existing designs?

A: Direct replacement is not recommended without design review. While both devices are Texas Instruments products with identical regulatory compliance, they serve different functional roles. The TAS3202PAG is a fixed-point DSP, while the PCM3070IRHBT is a stereo audio codec. PCB layout, interface routing, and firmware implementation will differ significantly between these architectures.

Q: What are the key differences in package footprint?

A: The TAS3202PAG uses a 64-TQFP (10x10mm) package, while the PCM3070IRHBT uses a 32-VQFN (5x5mm) package. The PCM3070IRHBT has a significantly smaller footprint, which may require PCB redesign if substitution is considered.

Q: Are the supply voltage requirements compatible?

A: The TAS3202PAG requires fixed 3.30V for both I/O and core supplies. The PCM3070IRHBT accepts 1.8V ~ 3.6V for analog supply and 1.1V ~ 3.6V for digital supply, offering greater flexibility in power supply design.

Q: What is the difference in operating temperature ranges?

A: The TAS3202PAG operates from 0°C to 70°C, while the PCM3070IRHBT operates from -40°C to 85°C. The PCM3070IRHBT supports extended temperature operation suitable for industrial and automotive applications.

Q: How do the interface capabilities compare?

A: The TAS3202PAG provides I2C, I2S, PCM, SPI, and UART interfaces for multi-protocol flexibility. The PCM3070IRHBT provides I2C, Serial, and SPI interfaces optimized for audio codec control and data transfer.

Q: What are the moisture sensitivity considerations?

A: The TAS3202PAG has MSL 4 rating (72-hour floor life), while the PCM3070IRHBT has MSL 3 rating (168-hour floor life). The PCM3070IRHBT provides extended handling time before reflow soldering.