LM4913MH/NOPB Equivalent & Substitute Parts

Part Overview

The LM4913MH/NOPB is a Class AB mono amplifier IC manufactured by Texas Instruments, designed for 1-channel mono applications with stereo headphones capability. This device delivers 2W output power at 4Ohm load and operates across a 2.5V to 5.5V supply voltage range. The part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain functional and electrical compatibility for ongoing production and design requirements.

Substiute Parts

LM4913MH/NOPB

Texas InstrumentsIn Stock: 953LM4913MH/NOPB Datasheet

Current PartRFQ

TPA0223DGQR

Texas InstrumentsIn Stock: 1437TPA0223DGQR Datasheet

DirectRFQ

LM4990MH/NOPB

Texas InstrumentsIn Stock: 1559LM4990MH/NOPB Datasheet

MFR RecommendedRFQ

TPA0213DGQR

Texas InstrumentsIn Stock: 1998TPA0213DGQR Datasheet

MFR RecommendedRFQ

TPA0213DGQ

Texas InstrumentsIn Stock: 2238TPA0213DGQ Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the LM4913MH/NOPB is determined by the following critical parameters:

Electrical Compatibility Requirements:

• Class AB amplifier topology
• 1-Channel (Mono) output configuration with stereo headphones capability
• Maximum output power of 2W at 4Ohm load
• Supply voltage range of 2.5V to 5.5V
• Operating temperature range of -40°C to 85°C

Mechanical Compatibility Requirements:

• Surface mount packaging
• 10-pin package format (TFSOP, MSOP, or HVSSOP variants)
• 0.118" (3.00mm) width standard

Compliance Requirements:

• ROHS3 compliance
• REACH unaffected status
• EAR99 ECCN classification

All substitute parts listed maintain these core parameters, enabling direct functional replacement in circuit designs. Packaging variants (Tape & Reel, Cut Tape, Tube) represent distribution formats only and do not affect electrical performance.

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation: TPA0213DGQR or TPA0213DGQ

Both TPA0213 variants provide complete functional equivalence to the LM4913MH/NOPB. These parts maintain identical electrical specifications including 2W output at 4Ohm, 90mW at 32Ohm, and 2.5V to 5.5V supply range. The TPA0213 series includes input multiplexer functionality as an additional feature. Both variants are active products with ROHS3 compliance and MSL-1 moisture sensitivity rating. Selection between DGQR (Cut Tape) and DGQ (Tube) depends on procurement and assembly requirements.

Secondary Recommendation: TPA0223DGQR

The TPA0223DGQR offers equivalent electrical performance with marginally higher output capability at 32Ohm load (95mW versus 90mW). This part includes input multiplexer and thermal protection features. It is supplied in Tape & Reel format and maintains ROHS3 compliance with MSL-1 rating. This option is suitable for high-volume production environments.

Alternative Recommendation: LM4990MH/NOPB

The LM4990MH/NOPB maintains the Boomer® series designation and delivers 2W output at 4Ohm with extended supply voltage range (2.2V to 5.5V). This part omits stereo headphones output capability and input multiplexer features. The MSL-3 moisture sensitivity rating requires controlled storage conditions (168 hours maximum). This option is appropriate for applications not requiring stereo headphones output.

Compliance Status:

All substitute parts maintain ROHS3 compliance, REACH unaffected status, and EAR99 ECCN classification, ensuring regulatory equivalence with the original LM4913MH/NOPB.

Frequently Asked Questions (FAQ)

Q: Can TPA0213DGQR directly replace LM4913MH/NOPB in existing PCB designs?

A: Yes. Both parts share identical electrical specifications (2W @ 4Ohm, 90mW @ 32Ohm, 2.5V-5.5V supply) and compatible 10-pin surface mount packaging. Pin-to-pin compatibility exists between 10-TFSOP and 10-HVSSOP formats within the 0.118" (3.00mm) width standard.

Q: What is the difference between TPA0213DGQ and TPA0213DGQR?

A: Both parts are electrically identical. The difference is packaging format: TPA0213DGQ is supplied in Tube format, while TPA0213DGQR is supplied in Cut Tape format. Selection depends on assembly line requirements and procurement preferences.

Q: Why does LM4990MH/NOPB have a lower minimum supply voltage (2.2V)?

A: The LM4990MH/NOPB extends the lower supply voltage limit to 2.2V, providing broader operational range. However, this part does not include stereo headphones output capability, limiting its application scope compared to the original LM4913MH/NOPB.

Q: What does MSL-1 versus MSL-3 rating mean for component handling?

A: MSL-1 (Unlimited) indicates no moisture sensitivity restrictions during storage and handling. MSL-3 (168 Hours) requires that the component be used within 168 hours of package opening under controlled humidity conditions. TPA0213 and TPA0223 variants carry MSL-1 rating, while LM4990MH/NOPB carries MSL-3 rating.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts (TPA0223DGQR, LM4990MH/NOPB, TPA0213DGQR, TPA0213DGQ) are ROHS3 compliant and REACH unaffected, maintaining regulatory equivalence with the original LM4913MH/NOPB.

Q: What additional features do TPA0213 and TPA0223 parts include?

A: Both TPA0213 and TPA0223 variants include input multiplexer functionality, enabling flexible input signal routing. TPA0223 additionally includes thermal protection as a distinct feature. These enhancements do not affect backward compatibility with designs using the original LM4913MH/NOPB.

Q: Can I use TPA0223DGQR if my application requires stereo headphones output?

A: Yes. The TPA0223DGQR supports 1-channel mono with stereo headphones output, identical to the original LM4913MH/NOPB. Output capability at 32Ohm load is 95mW (compared to 90mW in the original), providing equivalent or superior performance.