TAS3208PZP Equivalent & Substitute Parts

Part Overview

The TAS3208PZP is a digital audio processor from Texas Instruments, classified as an embedded integrated circuit designed for audio signal processing applications. It operates at a clock rate of 135MHz with fixed-point processing capability and supports multiple audio interfaces including AAI/O, DAI/O, I2C, and I2S. The part is currently in Last Time Buy status, indicating it is being phased out. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain flexibility, and support long-term product availability for applications requiring digital audio processing functionality.

Substiute Parts

TAS3208PZP

Texas InstrumentsIn Stock: 1913TAS3208PZP Datasheet

Current PartRFQ

TLV320AIC3256IRSBT

Texas InstrumentsIn Stock: 3238TLV320AIC3256IRSBT Datasheet

MFR RecommendedRFQ

TAS3208IPZP

Texas InstrumentsIn Stock: 5236TAS3208IPZP Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the TAS3208PZP is evaluated based on the following critical parameters:

Primary Substitution Criteria:

• Audio processing functionality and interface support (AAI/O, DAI/O, I2C, I2S)
• Clock rate capability (135MHz minimum)
• On-chip memory capacity (30.3kB minimum)
• Voltage compatibility (3.30V I/O and core voltage)
• Operating temperature range support
• Package compatibility (100-TQFP or equivalent pin count/footprint)
• RoHS3 compliance and MSL rating

Substitute Parts Identified:

1. TAS3208IPZP - Direct equivalent with identical electrical and mechanical specifications. Differs only in product status (Active vs. Last Time Buy) and operating temperature range extension (-40°C ~ 85°C vs. -20°C ~ 70°C).

2. TLV320AIC3256IRSBT - Functional alternative with different architecture. Provides stereo audio codec functionality with I2C, Serial, and SPI interfaces. Operates at different voltage levels and package format (40-WQFN vs. 100-TQFP), requiring design modification.

Parameter Comparison

Engineering Selection Recommendations

TAS3208IPZP is the primary recommended substitute for the TAS3208PZP. This part maintains identical electrical specifications, clock rate, memory configuration, and package format. The only differences are product status (Active vs. Last Time Buy) and an extended operating temperature range (-40°C ~ 85°C vs. -20°C ~ 70°C). This part provides direct compatibility with existing designs and requires no circuit modification. Both parts are ROHS3 compliant with equivalent MSL ratings.

TLV320AIC3256IRSBT is a functional alternative suitable only for applications where design modification is acceptable. This part operates at significantly lower voltage levels (1.26V ~ 1.95V digital supply vs. 3.30V), uses a different package format (40-WQFN vs. 100-TQFP), and implements a stereo audio codec architecture rather than a fixed-point processor. Interface support differs (I2C, Serial, SPI™ vs. AAI/O, DAI/O, I2C, I2S). Selection of this part requires comprehensive circuit redesign and validation. Both parts are ROHS3 compliant and suitable for extended temperature applications.

Frequently Asked Questions (FAQ)

Q: Can TAS3208IPZP be used as a direct replacement for TAS3208PZP?

A: Yes. The TAS3208IPZP is electrically and mechanically identical to the TAS3208PZP. Both parts share the same clock rate (135MHz), on-chip RAM (30.3kB), voltage specifications (3.30V I/O and core), and 100-TQFP package format. The TAS3208IPZP has an extended operating temperature range (-40°C ~ 85°C vs. -20°C ~ 70°C) and Active product status, making it suitable for direct substitution without design changes.

Q: What are the key differences between TAS3208PZP and TLV320AIC3256IRSBT?

A: These parts serve different functional roles. The TAS3208PZP is a fixed-point digital audio processor with 135MHz clock rate and 30.3kB on-chip RAM. The TLV320AIC3256IRSBT is a stereo audio codec with different interface architecture (I2C, Serial, SPI™ vs. AAI/O, DAI/O, I2C, I2S). Voltage requirements differ significantly (1.26V ~ 1.95V vs. 3.30V), and package formats are incompatible (40-WQFN vs. 100-TQFP). Substitution requires complete circuit redesign.

Q: Is the TLV320AIC3256IRSBT pin-compatible with the TAS3208PZP?

A: No. The TLV320AIC3256IRSBT uses a 40-pin WQFN package, while the TAS3208PZP uses a 100-pin TQFP package. Pin counts, pinout assignments, and physical footprints are incompatible. This part cannot be used as a drop-in replacement.

Q: What is the significance of the Last Time Buy status for TAS3208PZP?

A: Last Time Buy status indicates the manufacturer is discontinuing this part. Existing inventory may be limited, and future availability cannot be guaranteed. The TAS3208IPZP, with Active status, is recommended for new designs and long-term supply chain planning.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. Both TAS3208IPZP and TLV320AIC3256IRSBT are ROHS3 compliant, matching the compliance status of the TAS3208PZP. All parts are suitable for applications requiring RoHS3 certification.

Q: What is the difference in MSL ratings between the substitute parts?

A: The TAS3208PZP and TAS3208IPZP both have MSL 3 (168 Hours), indicating moderate moisture sensitivity. The TLV320AIC3256IRSBT has MSL 2 (1 Year), indicating lower moisture sensitivity. MSL ratings affect storage and handling requirements prior to assembly.