Name: LM4990LD
Brand: National Semiconductor
SKU: LM4990LD
Availability: InStock
Rating: 5 (112 reviews)

LM4990LD

Pour Référence Seulement

Référence	LM4990LD
Fabricant	National Semiconductor
Description	AUDIO AMPLIFIER, 2W, 1 CHANNEL(S
Fiche technique
paquet	-
ECAD
En stock	0 piece(s)
Prix unitaire	Request a Quote
Délai de mise en œuvre	VÊtre confirmé
Temps de livraison estimé	sept. 30 - oct. 5 (Choisissez l'expédition accélérée)
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Nous offrons LM4990LD pour prix compétitif sur le marché mondial, s'il vous plaît envoyez-nous une demande de quota pour les prix. Merci!
Pour traiter votre demande de devis, s'il vous plaît ajouter LM4990LD avec la quantité dans la nomenclature. Heisener.com Ne nécessite pas de toute inscription pour demander un devis de LM4990LD.

Spécifications LM4990LD

Fabricant	National Semiconductor
Catégorie	Circuits intégrés (CI) - Linéaire - Amplificateurs - Audio
paquet	-
ECAD
Séries	Boomer®
Type	Class AB
Le type de sortie	1-Channel (Mono)
Puissance de sortie maximale x canaux @ charge	2W x 1 @ 4Ohm
Tension - Alimentation	2.2V ~ 5.5V
Caractéristiques	-
Type de montage	Surface Mount
Température de fonctionnement	-40°C ~ 85°C (TA)
Package de périphérique fournisseur	10-WSON (3x4)
Paquet / cas	10-WFDFN Exposed Pad

LM4990LD Packaging

LM4990LD FAQ

1. How to order LM4990LD on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that LM4990LD is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the LM4990LD. All suppliers must pass our qualification reviews before they can publish their products including LM4990LD on Heisener; we pay more attention to the channels and quality of LM4990LD products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the LM4990LD price and inventory displayed accurate?

The price and inventory of LM4990LD fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of LM4990LD?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the LM4990LD we delivered, we will accept the replacement or return of the LM4990LD only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of LM4990LD.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as LM4990LD pin diagram, LM4990LD datasheet?

If you need any after-sales service, please do not hesitate to contact us.

LM4990LD Des garanties

Garanties de service

Nous garantissons la satisfaction du client à 100%.

Notre équipe de vente expérimentée et notre équipe d'assistance technique recourent à nos services pour satisfaire tous nos clients.

Garantie de qualité

Nous fournissons une garantie de 90 jours.

Si les articles que vous avez reçus n'étaient pas de qualité parfaite, nous serions responsables de votre remboursement ou de votre remplacement, mais les articles doivent être retournés dans leur état d'origine.

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LM4990LD

Qualité certifiée

L'engagement de Heisener en matière de qualité a façonné nos processus d'approvisionnement, de test, d'expédition et à chaque étape intermédiaire. Cette fondation est à la base de chaque composant que nous vendons.

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