TPA3200D1DCPR Equivalent & Substitute Parts

Part Overview

The TPA3200D1DCPR is a Class D audio amplifier IC manufactured by Texas Instruments, designed for mono audio applications with 20W output power at 8Ω load. This device is classified as Obsolete, indicating it is no longer in active production. Finding equivalent or substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support ongoing production requirements for applications utilizing this amplifier topology.

Substiute Parts

TPA3200D1DCPR

Texas InstrumentsIn Stock: 13106TPA3200D1DCPR Datasheet

Current PartRFQ

TAS5707PHPR

Texas InstrumentsIn Stock: 455469TAS5707PHPR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TPA3200D1DCPR is determined by the following critical parameters:

Functional Compatibility Criteria:

• Class D amplifier topology
• Mono (1-channel) output configuration
• Output power capability of 20W or greater at 8Ω load
• Supply voltage range compatibility (8V ~ 18V minimum overlap)
• Digital audio interface support (I2S protocol)
• Protection features (short-circuit and thermal protection)
• Surface mount packaging

Compliance & Environmental Criteria:

• RoHS3 compliance
• Operating temperature range support (-40°C ~ 85°C or equivalent)
• Moisture sensitivity level acceptable for manufacturing processes

The TAS5707PHPR is identified as a manufacturer-recommended substitute. While this part operates as a 2-channel (stereo) amplifier rather than mono, it maintains functional equivalence through its Class D topology, I2S digital input support, comparable output power per channel (20.6W @ 8Ω), overlapping supply voltage range (8V ~ 24V), and equivalent protection features. The stereo configuration provides additional functionality while maintaining backward compatibility with mono audio applications through single-channel operation.

Parameter Comparison

Engineering Selection Recommendations

TAS5707PHPR Substitution Considerations:

The TAS5707PHPR is suitable as a substitute for the TPA3200D1DCPR based on the following engineering factors:

1. Functional Equivalence: Both devices employ Class D amplification topology with I2S digital audio input support and equivalent protection mechanisms (short-circuit and thermal protection with shutdown capability).

2. Output Power Compatibility: The TAS5707PHPR delivers 20.6W per channel at 8Ω, meeting or exceeding the 20W specification of the original part. Mono applications can utilize a single channel, leaving the second channel unused or available for future expansion.

3. Supply Voltage Compatibility: The TAS5707PHPR supply range (8V ~ 24V) encompasses the original part's range (8V ~ 18V), ensuring compatibility with existing power supply designs.

4. Compliance Status: Both parts maintain ROHS3 compliance and equivalent regulatory certifications (EAR99, REACH Unaffected).

5. Product Status Consideration: The TAS5707PHPR is classified as "Not For New Designs," indicating limited future availability. For new designs, evaluation of current-generation alternatives from Texas Instruments is recommended.

6. Package Transition: The TAS5707PHPR uses a 48-PowerTQFP (7x7) package versus the 44-PowerTFSOP of the original part. PCB layout modifications are required to accommodate the different pin count and package footprint.

7. Operating Temperature Range: The TAS5707PHPR operates from 0°C ~ 85°C, which is narrower than the original part's -40°C ~ 85°C range. Applications requiring extended low-temperature operation below 0°C require verification of thermal performance.

8. Moisture Sensitivity: The TAS5707PHPR has MSL rating 3 (168 hours) compared to MSL 1 (unlimited) for the original part, requiring stricter moisture control during storage and assembly.

Frequently Asked Questions (FAQ)

Q: Can the TAS5707PHPR directly replace the TPA3200D1DCPR without PCB modifications?

A: No. The TAS5707PHPR uses a 48-pin PowerTQFP (7x7) package, while the TPA3200D1DCPR uses a 44-pin PowerTFSOP package. Different pin counts and physical dimensions require PCB layout redesign and new footprint implementation.

Q: What is the minimum supply voltage overlap between these parts?

A: Both parts operate within the 8V ~ 18V range. The TAS5707PHPR extends the upper limit to 24V, providing additional headroom for higher-voltage applications.

Q: Can I use only one channel of the TAS5707PHPR for a mono application?

A: Yes. The TAS5707PHPR is a 2-channel stereo amplifier, but mono applications can utilize a single channel by configuring the unused channel appropriately through I2C control or leaving it inactive. The second channel remains available for future expansion.

Q: What are the key differences in protection features?

A: Both parts include short-circuit and thermal protection with shutdown capability. The TAS5707PHPR adds a depop feature for click-free operation during power transitions, which is not present in the TPA3200D1DCPR.

Q: Is the TAS5707PHPR suitable for applications requiring -40°C operation?

A: No. The TAS5707PHPR operates from 0°C ~ 85°C, which does not support the -40°C lower limit of the original part. Applications requiring extended low-temperature operation must identify alternative solutions.

Q: What moisture handling precautions apply to the TAS5707PHPR?

A: The TAS5707PHPR has MSL rating 3 (168 hours), requiring storage in dry conditions and limiting exposure time before soldering. The original TPA3200D1DCPR has MSL rating 1 (unlimited), allowing indefinite storage without moisture control. Implement appropriate baking procedures before assembly if the part has exceeded the 168-hour exposure window.

Q: Are both parts RoHS3 compliant?

A: Yes. Both the TPA3200D1DCPR and TAS5707PHPR are ROHS3 compliant and carry equivalent regulatory certifications (EAR99, REACH Unaffected).

Q: What is the significance of the "Not For New Designs" status of the TAS5707PHPR?

A: This status indicates that Texas Instruments is not recommending this part for new product development. While it remains available for existing designs and legacy support, long-term availability is not guaranteed. For new designs, current-generation Class D amplifier solutions from Texas Instruments should be evaluated.