Name: LM4550VH
Brand: National Semiconductor
SKU: LM4550VH
Availability: InStock
Rating: 5 (70 reviews)

LM4550VH

仅供参考

零件编号	LM4550VH
制造商	National Semiconductor
描述	CONSUMER CIRCUIT, PQFP48
数据表
封装	-
ECAD
库存	0 piece(s)
单价	Request a Quote
交货时间	待确认
预计送达时间	一月 11 - 一月 16 (选择速递服务)
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LM4550VH参数

制造商	National Semiconductor
类别	集成电路（IC） - 接口 - 编解码器
封装	-
ECAD
系列	-
类型	Audio, AC '97
数据接口	Serial
分辨率（比特）	18 b
ADC / DAC数量	2 / 2
Sigma Delta	Yes
S / N比，ADC / DAC（db）典型值	-
动态范围，ADC / DAC（db）典型值	90 / 89
电压 - 电源，模拟	4.2V ~ 5.5V
电压 - 电源，数字	3V ~ 5.5V
工作温度	-40°C ~ 85°C
安装类型	Surface Mount
包/箱	48-LQFP
供应商设备包	48-TQFP (7x7)

LM4550VH Packaging

LM4550VH FAQ

1. How to order LM4550VH 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 LM4550VH is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the LM4550VH. All suppliers must pass our qualification reviews before they can publish their products including LM4550VH on Heisener; we pay more attention to the channels and quality of LM4550VH products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the LM4550VH price and inventory displayed accurate?

The price and inventory of LM4550VH 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 LM4550VH?

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 LM4550VH we delivered, we will accept the replacement or return of the LM4550VH 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 LM4550VH.

(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 LM4550VH pin diagram, LM4550VH datasheet?

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