TDA7575PDTR Equivalent & Substitute Parts

Part Overview

The TDA7575PDTR is a Class AB audio amplifier integrated circuit manufactured by STMicroelectronics, designed for mono or stereo audio applications. This device delivers 150W output power at 1Ohm load in mono configuration or 75W per channel at 2Ohm load in stereo configuration. The part is housed in a PowerSO-36 package with an exposed top pad for enhanced thermal management.

The TDA7575PDTR is classified as obsolete. Locating equivalent substitute parts is necessary to support ongoing production requirements, maintenance operations, and system redesigns where this component is specified in existing designs.

Substiute Parts

TDA7575PDTR

STMicroelectronicsIn Stock: 766TDA7575PDTR Datasheet

Current PartRFQ

TDA7575BPD

STMicroelectronicsIn Stock: 1660TDA7575BPD Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the TDA7575PDTR is determined by strict equivalence across the following electrical and mechanical parameters:

Electrical Equivalence Criteria:

• Identical Class AB amplifier topology
• Matching output power specifications: 150W mono at 1Ohm and 75W stereo at 2Ohm
• Identical supply voltage range: 8V to 18V
• Identical feature set: Differential Inputs, I2C control, Mute function, Short-Circuit Protection, Thermal Protection, and Standby mode
• Identical operating temperature range: -55°C to 150°C (TJ)

Mechanical Equivalence Criteria:

• Identical package type: PowerSO-36 with Exposed Top Pad
• Surface mount configuration
• Pin-compatible layout

Compliance Criteria:

• ROHS3 compliance maintained
• REACH unaffected status maintained
• Same ECCN and HTSUS classifications

Parts meeting all these criteria are classified as direct substitutes. The TDA7575BPD satisfies all electrical and mechanical equivalence requirements.

Parameter Comparison

Engineering Selection Recommendations

The TDA7575BPD is a direct electrical and mechanical equivalent to the TDA7575PDTR. Both parts share identical electrical specifications, package configuration, and feature sets. The primary distinction is product status: the TDA7575PDTR is obsolete while the TDA7575BPD is active.

For new designs and ongoing production support, the TDA7575BPD is the appropriate selection. This part maintains full compliance with ROHS3 and REACH requirements, ensuring regulatory alignment with current environmental standards. The active product status of the TDA7575BPD provides assurance of continued availability and manufacturing support from STMicroelectronics.

For legacy system maintenance where the TDA7575PDTR is currently deployed, the TDA7575BPD provides seamless functional replacement without circuit redesign or PCB modification, given the identical electrical performance and package footprint.

Frequently Asked Questions (FAQ)

Q: Can the TDA7575BPD be used as a direct replacement for the TDA7575PDTR?

A: Yes. The TDA7575BPD is electrically and mechanically equivalent to the TDA7575PDTR. Both devices deliver identical output power specifications, operate across the same supply voltage range, incorporate the same protection and control features, and are housed in the same PowerSO-36 package. No circuit modifications are required for substitution.

Q: What is the difference between the TDA7575PDTR and TDA7575BPD?

A: The primary difference is product status. The TDA7575PDTR is obsolete, while the TDA7575BPD is active. The TDA7575BPD also specifies a Moisture Sensitivity Level (MSL) of 3 (168 Hours) compared to MSL 1 (Unlimited) for the TDA7575PDTR. All electrical specifications and package configurations are identical.

Q: Are there any PCB layout considerations when substituting the TDA7575BPD for the TDA7575PDTR?

A: No. Both parts use the PowerSO-36 package with identical pin assignments and thermal pad configuration. Existing PCB layouts designed for the TDA7575PDTR require no modification to accommodate the TDA7575BPD.

Q: What is the significance of the Moisture Sensitivity Level difference?

A: The TDA7575BPD specifies MSL 3 (168 Hours), indicating the component can be exposed to moisture for up to 168 hours at specified temperature and humidity conditions before soldering. The TDA7575PDTR specifies MSL 1 (Unlimited), indicating no moisture sensitivity restriction. Both parts are suitable for standard manufacturing and storage conditions. Specific handling requirements depend on your manufacturing process and storage environment.

Q: Are both parts RoHS compliant?

A: Yes. Both the TDA7575PDTR and TDA7575BPD are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for electronic components.

Q: What audio power output levels can these amplifiers deliver?

A: In mono configuration, both parts deliver 150W output power at 1Ohm load. In stereo configuration, both parts deliver 75W per channel at 2Ohm load. Output power is determined by the supply voltage and load impedance applied in the specific application circuit.