TAS3218PZPR Equivalent & Substitute Parts

Part Overview

The TAS3218PZPR is a digital audio processor manufactured by Texas Instruments, designed for embedded audio processing applications. This integrated circuit operates at 135MHz with 48.59kB of on-chip RAM and supports I2C interface communication. The device is classified as obsolete, making identification of suitable substitute components essential for ongoing system support and new design implementations.

Substiute Parts

TAS3218PZPR

Texas InstrumentsIn Stock: 1023TAS3218PZPR 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 TAS3218PZPR. Substitution compatibility is determined by the following key parameters:

• Interface Protocol: Both devices support I2C communication, enabling direct integration into existing control architectures
• Operating Temperature Range: Both operate across -40°C to 85°C, maintaining thermal compatibility
• Regulatory Compliance: Both devices maintain ROHS3 compliance and REACH unaffected status, satisfying environmental and regulatory requirements
• Mounting Technology: Both 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 TAS3218PZPR (3.30V), requiring voltage regulation considerations in system design

Parameter Comparison

Engineering Selection Recommendations

The TLV320AIC3256IRSBR is an active product from Texas Instruments, providing long-term availability and manufacturing support compared to the obsolete TAS3218PZPR. Both devices maintain identical operating temperature ranges and regulatory compliance certifications (ROHS3, REACH unaffected), ensuring compatibility with existing environmental and compliance requirements.

The TLV320AIC3256IRSBR offers improved moisture sensitivity characteristics (MSL 2 versus MSL 3), reducing handling and storage constraints during manufacturing and logistics operations. The substitute device supports expanded interface options (I2C, Serial, SPI™) beyond the I2C-only interface of the original part, providing additional system integration flexibility.

Frequently Asked Questions (FAQ)

Q: Can the TLV320AIC3256IRSBR directly replace the TAS3218PZPR in existing designs?

A: Direct pin-for-pin replacement is not possible due to different package configurations (100-HTQFP versus 40-WQFN). PCB redesign and firmware adaptation are required. However, I2C interface compatibility enables functional substitution with appropriate system integration modifications.

Q: What are the voltage supply differences between these devices?

A: The TAS3218PZPR operates at 3.30V for both I/O and core supplies. The TLV320AIC3256IRSBR requires separate analog (1.5V ~ 1.95V) and digital (1.26V ~ 1.95V) supply voltages. System power delivery architecture must be redesigned to accommodate these lower voltage requirements.

Q: Are there package compatibility considerations?

A: The TAS3218PZPR uses a 100-HTQFP (14x14) package, while the TLV320AIC3256IRSBR uses a 40-WQFN (5x5) package. The substitute device has a significantly smaller footprint, enabling space optimization in new designs but requiring complete PCB layout revision.

Q: Do both devices meet the same regulatory standards?

A: Yes. Both the TAS3218PZPR and TLV320AIC3256IRSBR are ROHS3 compliant and REACH unaffected, satisfying identical environmental and regulatory requirements for industrial and commercial applications.

Q: What is the difference in moisture sensitivity levels?

A: The TAS3218PZPR has MSL 3 (168 hours), requiring more frequent baking cycles during storage and assembly. The TLV320AIC3256IRSBR has MSL 2 (1 year), providing extended shelf life and reduced moisture management requirements during manufacturing operations.