National Semiconductor LM4857GR

LM4857GR
Part No.:
LM4857GR
Manufacturer:
National Semiconductor
Category:
Audio Amplifiers
Package:
49-TFBGA, CSPBGA
Datasheet:
Leatech Electronics GmbHLM4857GR.pdf
Description:
CONSUMER CIRCUIT, PBGA49
Quantity:

Unit Price:$0

Ext Price:$0

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Shipping:
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Inventory:1,000

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Product Details

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Product attributes
Attribute value
Manufacturer:
National Semiconductor
Series:
Boomer®
Package/Case:
49-TFBGA, CSPBGA
Packaging:
Bulk
Product Status:
Obsolete
Type:
Class AB
Output Type:
2-Channel (Stereo) with Mono and Stereo Headphones
Max Output Power x Channels @ Load:
1.6W x 2 @ 4Ohm; 75mW x 2 @ 32Ohm
Voltage - Supply:
2.7V ~ 5.5V
Features:
3D, Depop, I2C, Mute, Shutdown, Thermal Protection, Volume Control
Mounting Type:
Surface Mount
Operating Temperature:
-40°C ~ 85°C (TA)
Grade:
-
Qualification:
-
Supplier Device Package:
49-CSBGA (4x4)
Category:
Audio Amplifiers

1. How to order LM4857GR on Leatech Electronics GmbH?

Currently, Leatech Electronics GmbH 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 Leatech Electronics GmbH guarantee that LM4857GR is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the LM4857GR. All suppliers must pass our qualification reviews before they can publish their products including LM4857GR on Leatech Electronics GmbH; we pay more attention to the channels and quality of LM4857GR products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the LM4857GR price and inventory displayed accurate?

The price and inventory of LM4857GR 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 LM4857GR?

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 LM4857GR we delivered, we will accept the replacement or return of the LM4857GR 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 LM4857GR.

(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 LM4857GR pin diagram, LM4857GR datasheet?

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

Image LM4857ITL/NOPB LM4857GR LM49250RL
Part Number LM4857ITL/NOPB LM4857GR LM49250RL
Manufacturer National Semiconductor National Semiconductor National Semiconductor
Series Boomer® Boomer® Boomer®
Package/Case 49-TFBGA, CSPBGA 49-TFBGA, CSPBGA 49-TFBGA, CSPBGA
Packaging Bulk Bulk Bulk
Product Status Obsolete Obsolete Obsolete
Type Class AB Class AB Class AB
Output Type 2-Channel (Stereo) with Mono and Stereo Headphones 2-Channel (Stereo) with Mono and Stereo Headphones 2-Channel (Stereo) with Mono and Stereo Headphones
Max Output Power x Channels @ Load 1.6W x 2 @ 4Ohm; 75mW x 2 @ 32Ohm 1.6W x 2 @ 4Ohm; 75mW x 2 @ 32Ohm 1.6W x 2 @ 4Ohm; 75mW x 2 @ 32Ohm
Voltage - Supply 2.7V ~ 5.5V 2.7V ~ 5.5V 2.7V ~ 5.5V
Features 3D, Depop, I2C, Mute, Shutdown, Thermal Protection, Volume Control 3D, Depop, I2C, Mute, Shutdown, Thermal Protection, Volume Control 3D, Depop, I2C, Mute, Shutdown, Thermal Protection, Volume Control
Mounting Type Surface Mount Surface Mount Surface Mount
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Grade - - -
Qualification - - -
Supplier Device Package 49-CSBGA (4x4) 49-CSBGA (4x4) 49-CSBGA (4x4)

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