LA4815VH-TLM-H Equivalent & Substitute Parts

Part Overview

The LA4815VH-TLM-H is a Class AB mono audio amplifier IC manufactured by onsemi, designed for single-channel audio amplification applications. This device delivers 1.84W output power at 8Ohm load impedance and operates across a 4V to 16V supply voltage range. The part features a mute function and is housed in a 14-HSSOP surface mount package with integrated heat tabs for thermal management.

The LA4815VH-TLM-H is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this amplifier topology.

Substiute Parts

LA4815VH-TLM-H

onsemiIn Stock: 1454LA4815VH-TLM-H Datasheet

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LM386N-4/NOPB

Texas InstrumentsIn Stock: 37815LM386N-4/NOPB Datasheet

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NJM2783V-TE1

Nisshinbo Micro Devices Inc.In Stock: 43553NJM2783V-TE1 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the LA4815VH-TLM-H are identified based on the following critical parameters:

Primary Substitution Criteria:

• Amplifier topology: Class AB mono configuration
• Functional equivalence: Single-channel audio amplification
• Supply voltage compatibility: Overlap within operating ranges
• Regulatory compliance: RoHS3 compliance status
• Package compatibility: Surface mount or through-hole alternatives

Substitute Parts Identified:

1. LM386N-4/NOPB (Texas Instruments): Class AB mono amplifier with 1W output power at 32Ohm load, 5V to 18V supply range, 8-PDIP through-hole package. Active product status with ROHS3 compliance.

2. NJM2783V-TE1 (Nisshinbo Micro Devices Inc.): Class AB mono amplifier with 2.7V to 13V supply range, 14-SSOP surface mount package. Active product status with RoHS compliance and extended operating temperature range (-40°C to 85°C).

Parameter Comparison

Engineering Selection Recommendations

LM386N-4/NOPB Selection Considerations:

The LM386N-4/NOPB is an active product from Texas Instruments with ROHS3 compliance and extensive inventory availability (37,800 units). This part maintains Class AB mono amplifier topology and operates within overlapping supply voltage ranges (5V to 18V encompasses the upper portion of the LA4815VH-TLM-H range). The through-hole 8-PDIP package requires PCB layout modification compared to the surface mount LA4815VH-TLM-H. Output power specification (1W @ 32Ohm) differs from the main part specification (1.84W @ 8Ohm), requiring load impedance verification for application compatibility.

NJM2783V-TE1 Selection Considerations:

The NJM2783V-TE1 is an active product from Nisshinbo Micro Devices Inc. with RoHS compliance and high inventory availability (43,459 units). This part maintains surface mount packaging (14-SSOP) consistent with the LA4815VH-TLM-H form factor. The supply voltage range (2.7V to 13V) overlaps substantially with the main part specification. The extended operating temperature range (-40°C to 85°C) provides broader environmental coverage than the LA4815VH-TLM-H (-30°C to 75°C). Maximum output power is not specified in available documentation. The NJM2783V-TE1 includes Auto Level Control functionality, which is not present in the main part.

Both substitute parts are active products with current manufacturing status and regulatory compliance certifications, supporting long-term supply chain viability.

Frequently Asked Questions (FAQ)

Q: Can the LM386N-4/NOPB directly replace the LA4815VH-TLM-H on the same PCB?

A: No. The LM386N-4/NOPB uses an 8-PDIP through-hole package, while the LA4815VH-TLM-H uses a 14-HSSOP surface mount package. PCB layout and footprint modifications are required. Pin configuration and functional pinout must be verified against application schematics.

Q: What is the primary advantage of the NJM2783V-TE1 as a substitute?

A: The NJM2783V-TE1 maintains surface mount packaging (14-SSOP) compatible with the LA4815VH-TLM-H form factor, minimizing PCB redesign requirements. The part is an active product with extended operating temperature range (-40°C to 85°C) and current manufacturing support.

Q: Are there supply voltage compatibility issues with either substitute?

A: The LM386N-4/NOPB operates at 5V minimum, which is above the LA4815VH-TLM-H lower limit of 4V. Applications requiring 4V operation cannot use the LM386N-4/NOPB. The NJM2783V-TE1 operates at 2.7V minimum, providing broader low-voltage compatibility. Both parts support the upper voltage range of the main part.

Q: What is the significance of the Auto Level Control feature in the NJM2783V-TE1?

A: Auto Level Control is a functional feature not present in the LA4815VH-TLM-H. This feature automatically adjusts amplifier gain based on input signal levels. Applications designed for the LA4815VH-TLM-H without Auto Level Control compensation may experience different audio characteristics with the NJM2783V-TE1.

Q: How do output power specifications compare between parts?

A: The LA4815VH-TLM-H specifies 1.84W at 8Ohm load. The LM386N-4/NOPB specifies 1W at 32Ohm load. The NJM2783V-TE1 does not provide maximum output power specification in available documentation. Load impedance and power delivery requirements must be verified against application specifications before substitution.

Q: Are all substitute parts RoHS compliant?

A: Yes. The LA4815VH-TLM-H is ROHS3 compliant. The LM386N-4/NOPB is ROHS3 compliant. The NJM2783V-TE1 is RoHS compliant. All parts meet regulatory requirements for restricted substance elimination.

Q: What is the moisture sensitivity level difference between parts?

A: The LA4815VH-TLM-H has MSL 3 (168 hours). The LM386N-4/NOPB has MSL 1 (unlimited). The NJM2783V-TE1 has MSL 2 (1 year). Lower MSL ratings indicate greater tolerance to moisture exposure during storage and handling. The LM386N-4/NOPB offers the most favorable moisture sensitivity profile.