TAS1020BPFB Equivalent & Substitute Parts

Part Overview

The TAS1020BPFB is a stereo USB audio interface controller manufactured by Texas Instruments. This device functions as a USB 1.1 controller with I2C interface capability, packaged in a 48-TQFP (7x7mm) form factor. The part is classified as obsolete, which necessitates identification of equivalent substitute components for ongoing design support and production continuity. Substitute parts must maintain identical electrical specifications and package compatibility to ensure direct replacement without circuit redesign.

Substiute Parts

TAS1020BPFB

Texas InstrumentsIn Stock: 3557TAS1020BPFB Datasheet

Current PartRFQ

TAS1020APFB

Texas InstrumentsIn Stock: 1496TAS1020APFB Datasheet

Parametric EquivalentRFQ

TAS1020APFBG4

Texas InstrumentsIn Stock: 803TAS1020APFBG4 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the TAS1020BPFB are classified as parametric equivalents based on the following criteria:

Matching Parameters (Required for Substitution):

• USB 1.1 protocol support
• I2C interface capability
• 48-TQFP (7x7mm) package
• 3V to 3.6V supply voltage range
• 0°C to 70°C operating temperature range
• ROHS3 compliance
• MSL 2 moisture sensitivity rating

All identified substitute parts maintain these specifications, enabling direct functional replacement in existing circuit designs without modification to PCB layout or electrical connections.

Parameter Comparison

Engineering Selection Recommendations

Both TAS1020APFB and TAS1020APFBG4 are direct parametric equivalents to the TAS1020BPFB. Selection between these substitutes should be based on availability and procurement requirements:

TAS1020APFB: Suitable for applications requiring standard equivalent replacement with documented ROHS3 compliance and MSL 2 rating.

TAS1020APFBG4: Functionally identical to TAS1020APFB with equivalent electrical and mechanical specifications. Selection depends on supplier inventory and lead time requirements.

Both parts maintain full compatibility with existing TAS1020BPFB circuit designs due to identical pin configuration, electrical characteristics, and package dimensions.

Frequently Asked Questions (FAQ)

Q: Can TAS1020APFB or TAS1020APFBG4 be used as direct replacements for TAS1020BPFB?

A: Yes. Both parts are parametric equivalents with identical USB 1.1 protocol support, I2C interface, 48-TQFP package, supply voltage range (3V to 3.6V), and operating temperature specifications (0°C to 70°C). No circuit modifications are required.

Q: What is the difference between TAS1020APFB and TAS1020APFBG4?

A: Both parts share identical electrical specifications and package configuration. The suffix variation indicates different manufacturing or distribution batches. Functional performance and compatibility are equivalent.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. TAS1020APFB and TAS1020APFBG4 both carry ROHS3 compliance certification, matching the original TAS1020BPFB specification.

Q: What is the moisture sensitivity level for these parts?

A: All parts in this group carry MSL 2 rating with a 1-year floor life. Standard moisture control procedures during storage and handling apply.

Q: Can these parts operate outside the 0°C to 70°C temperature range?

A: No. All parts in this group are specified for 0°C to 70°C operation. Applications requiring extended temperature ranges require alternative component selection.