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National Semiconductor LM49370RL

CONSUMER CIRCUIT, PBGA49

Answer first: this page is a purchasing reference for the exact part number LM49370RL from National Semiconductor. Use it to start datasheet, package, manufacturer and RFQ verification; do not treat page text as a live stock, price or lead-time promise.

Manufacturer: National Semiconductor Category: Audio Amplifiers Part number: LM49370RL Package: 49-WFBGA, DSBGA RFQ verification required

Key Parameters

Part NumberLM49370RL
ManufacturerNational Semiconductor
CategoryAudio Amplifiers
package49-WFBGA, DSBGA
seriesLM49370
packagingBulk
product statusActive
param 1Class D
param 21-Channel (Mono) with Mono and Stereo Headphones
param 31.2W x 1 @ 8Ohm; 52mW x 2 @ 16Ohm
param 42.5V ~ 5.5V
param 5-
param 6Surface Mount
param 7-40°C ~ 85°C
param 8-
param 9-
param 1049-DSBGA

Parameters are provided for purchasing review. Confirm package, suffix, lifecycle status, datasheet revision and approved substitutes before ordering.

How to Verify LM49370RL Before Ordering

Datasheet and parameter checks

  • Confirm the full manufacturer part number, not only a shortened search keyword.
  • Compare package, pinout, dimensions, voltage or rating fields, temperature range and compliance wording against the released BOM.
  • Use the manufacturer datasheet or drawing for electrical and mechanical limits before approving a substitute.

RFQ fields SENICO needs

  • Send exact part number, manufacturer, quantity, target delivery date, destination and required packaging.
  • State whether alternates are allowed, and list any date-code, certificate, traceability or customer AVL requirement.
  • Keep exact stock, factory lead time and proposed alternatives in separate quote lanes.

For LM49370RL, SENICO recommends checking manufacturer marking, package, date code, requested quantity, approved vendor requirements and replacement risk before issuing a purchase order. If a supplier suggests an equivalent, record the changed fields and approval owner before comparing price.

We do not treat displayed data as a real-time stock or price commitment. The RFQ reply is the verified commercial reference.

Related buying guides: stock and lead-time verification, equivalent IC comparison, and BOM RFQ preparation.