TAS5076PFCG4 Equivalent & Substitute Parts

Part Overview

The TAS5076PFCG4 is a 6-channel audio modulator IC manufactured by Texas Instruments, part of the PurePath Digital™ series. This device is designed for digital audio interfacing applications, supporting I2C and I2S interfaces with a supply voltage range of 3V to 3.6V and operating temperature range of 0°C to 70°C. The part is classified as Obsolete, making identification of suitable substitute components essential for ongoing design support and production continuity.

Substiute Parts

TAS5076PFCG4

Texas InstrumentsIn Stock: 773TAS5076PFCG4 Datasheet

Current PartRFQ

TAS5086DBTR

Texas InstrumentsIn Stock: 34727TAS5086DBTR Datasheet

MFR RecommendedRFQ

TAS5558DCAR

Texas InstrumentsIn Stock: 16478TAS5558DCAR Datasheet

MFR RecommendedRFQ

TAS5086DBT

Texas InstrumentsIn Stock: 1463TAS5086DBT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the TAS5076PFCG4 are identified based on the following critical parameters that determine functional compatibility:

Core Compatibility Criteria:

• Function: Modulator (audio modulation capability)
• Interface: I2C and I2S support (digital audio protocol compatibility)
• Voltage Supply: 3V ~ 3.6V (power supply compatibility)
• Audio Specifications: 32kHz ~ 192kHz (frequency range support)
• Mounting Type: Surface Mount (PCB assembly compatibility)

Substitution Logic: The TAS5086DBTR and TAS5086DBT are direct functional equivalents, maintaining the same 6-channel configuration, interface protocols, supply voltage, and audio frequency specifications as the TAS5076PFCG4. Both are Active products with improved moisture sensitivity ratings (MSL 2 vs. MSL 4), offering superior reliability. The primary difference is packaging format: these parts use 38-TSSOP instead of 80-TQFP, requiring PCB layout modification.

The TAS5558DCAR represents an alternative with expanded capability: 8-channel configuration instead of 6-channel. This part maintains all core interface and voltage parameters but extends the operating temperature range to 0°C ~ 85°C and uses a 56-PowerTFSOP package. Selection of this part requires verification that the additional channels and different package footprint are compatible with the target application.

Parameter Comparison

Engineering Selection Recommendations

TAS5086DBTR and TAS5086DBT: Both parts are Active products with identical electrical and functional specifications to the TAS5076PFCG4. The TAS5086 series offers improved moisture sensitivity (MSL 2 vs. MSL 4), providing extended shelf life and reduced risk of moisture-induced failures during storage and assembly. Selection between DBTR (Cut Tape & Digi-Reel packaging) and DBT (Tube packaging) depends on procurement and assembly requirements. PCB layout redesign is required due to package change from 80-TQFP to 38-TSSOP.

TAS5558DCAR: This Active product maintains full electrical compatibility with the TAS5076PFCG4 but provides expanded channel capacity (8 channels vs. 6 channels) and extended operating temperature range (0°C ~ 85°C vs. 0°C ~ 70°C). The 56-PowerTFSOP package differs from the original 80-TQFP, requiring PCB layout modification. This part is suitable only when the additional channels and extended temperature range align with application requirements.

All substitute parts maintain ROHS3 compliance and REACH unaffected status, consistent with the original part's regulatory standing.

Frequently Asked Questions (FAQ)

Q: Can TAS5086DBTR or TAS5086DBT be used as direct replacements for TAS5076PFCG4?

A: Both TAS5086 variants are functionally equivalent in terms of modulation capability, channel count (6), interface protocols (I2C, I2S), supply voltage (3V ~ 3.6V), and audio frequency range (32kHz ~ 192kHz). However, the package change from 80-TQFP to 38-TSSOP requires PCB layout redesign. No firmware or software changes are necessary.

Q: What is the difference between TAS5086DBTR and TAS5086DBT?

A: Both parts are electrically identical. The difference is packaging format: DBTR is supplied in Cut Tape and Digi-Reel format, while DBT is supplied in Tube format. Selection depends on assembly line requirements and procurement preferences.

Q: When should TAS5558DCAR be selected instead of TAS5086?

A: TAS5558DCAR provides 8 channels instead of 6 and supports an extended operating temperature range of 0°C ~ 85°C. Select this part only if your application requires more than 6 channels or operates at temperatures above 70°C. The 56-PowerTFSOP package requires PCB layout modification.

Q: Are all substitute parts RoHS compliant?

A: Yes. All substitute parts (TAS5086DBTR, TAS5086DBT, and TAS5558DCAR) are ROHS3 compliant, matching the compliance status of the original TAS5076PFCG4.

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

A: The TAS5076PFCG4 uses an 80-pin TQFP package (12x12mm). The TAS5086 series uses a 38-pin TSSOP package (0.173" width, 4.40mm), and the TAS5558DCAR uses a 56-pin PowerTFSOP package (0.240" width, 6.10mm). Each package change requires complete PCB footprint redesign, including trace routing and thermal management considerations.

Q: Do the substitute parts have better moisture sensitivity ratings?

A: Yes. The TAS5086DBTR and TAS5086DBT have MSL 2 (1 Year), compared to the original part's MSL 4 (72 Hours), providing superior moisture resistance. The TAS5558DCAR has MSL 3 (168 Hours), which is intermediate between the original and TAS5086 variants.