TAS3208IPZPR Equivalent & Substitute Parts

Part Overview

The TAS3208IPZPR is a digital audio processor manufactured by Texas Instruments, designed for embedded audio processing applications. This device is classified as obsolete, which necessitates identification of functionally equivalent alternatives for ongoing system support and new designs. The TAS3208IPZPR operates as a fixed-point processor with integrated audio interfaces and is packaged in a 100-TQFP configuration.

Substiute Parts

TAS3208IPZPR

Texas InstrumentsIn Stock: 1209TAS3208IPZPR Datasheet

Current PartRFQ

TLV320AIC3256IRSBR

Texas InstrumentsIn Stock: 1447TLV320AIC3256IRSBR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The TLV320AIC3256IRSBR is identified as a manufacturer-recommended substitute for the TAS3208IPZPR. Substitution eligibility is determined by the following critical parameters:

Interface Compatibility: Both devices support I2C communication protocol, enabling control and configuration through the same digital interface architecture.

Operating Temperature Range: Both devices operate across the industrial temperature range of -40°C to 85°C, ensuring thermal compatibility in equivalent application environments.

Regulatory Compliance: Both devices maintain ROHS3 compliance and REACH unaffected status, satisfying equivalent environmental and regulatory requirements.

Mounting Technology: Both devices utilize surface mount technology with exposed pad packages, compatible with standard PCB assembly processes.

Supply Voltage Compatibility: The TLV320AIC3256IRSBR operates at lower supply voltages (1.26V ~ 1.95V digital, 1.5V ~ 1.95V analog) compared to the TAS3208IPZPR (3.30V), requiring voltage regulation adjustments in system design.

Parameter Comparison

Engineering Selection Recommendations

The TLV320AIC3256IRSBR is an active product with current manufacturing support from Texas Instruments, providing supply chain continuity for the obsolete TAS3208IPZPR. Both devices maintain equivalent regulatory compliance certifications (ROHS3, REACH unaffected) and operate across the same industrial temperature range.

The TLV320AIC3256IRSBR features improved moisture sensitivity characteristics (MSL 2 versus MSL 3), reducing handling and storage requirements. The device operates at lower supply voltages, which may reduce system power consumption but requires voltage regulation circuit modifications.

Package footprint differences (100-TQFP versus 40-WQFN) necessitate PCB layout redesign. The TLV320AIC3256IRSBR provides a smaller form factor, potentially enabling board space optimization.

Frequently Asked Questions (FAQ)

Q: Can the TLV320AIC3256IRSBR directly replace the TAS3208IPZPR without design modifications?

A: Direct pin-for-pin replacement is not possible due to different package types (100-TQFP versus 40-WQFN) and pin configurations. PCB layout redesign is required. Additionally, voltage supply requirements differ, necessitating power supply circuit modifications.

Q: What are the key interface compatibility considerations?

A: Both devices support I2C communication protocol. The TAS3208IPZPR provides AAI/O and DAI/O interfaces, while the TLV320AIC3256IRSBR provides Serial and SPI™ interfaces. System designs must verify that required interface protocols are available on the substitute device.

Q: Are there supply voltage compatibility issues?

A: Yes. The TAS3208IPZPR operates at 3.30V (both I/O and core), while the TLV320AIC3256IRSBR requires 1.26V ~ 1.95V (digital) and 1.5V ~ 1.95V (analog). Voltage regulation and level shifting circuits must be implemented in the system design.

Q: What is the impact of different package types on system design?

A: The TAS3208IPZPR uses a 100-pin TQFP package, while the TLV320AIC3256IRSBR uses a 40-pin WQFN package. This requires complete PCB redesign, including trace routing, via placement, and thermal management considerations. The smaller WQFN package may reduce board area requirements.

Q: Are both devices suitable for the same operating temperature range?

A: Yes. Both devices operate across -40°C to 85°C, providing equivalent thermal performance for industrial applications.

Q: What are the moisture sensitivity differences?

A: The TAS3208IPZPR has MSL 3 (168 hours), requiring more stringent moisture control during storage and handling. The TLV320AIC3256IRSBR has MSL 2 (1 year), providing more relaxed moisture sensitivity requirements and reducing handling complexity.