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ADA4938-1ACPZ-R7 Analog Devices Inc. Linear - Amplifiers - Special Purpose image
  • ADA4938-1ACPZ-R7 Analog Devices Inc. Linear - Amplifiers - Special Purpose image
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Analog Devices Inc. ADA4938-1ACPZ-R7

Manufacturer
Analog Devices Inc.
Mfr. Part #
ADA4938-1ACPZ-R7
WLX Part #
A224260231339
Package
16-VFQFN Exposed Pad, CSP
Datasheet
ADA4938-1ACPZ-R7 Datasheet (PDF)
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ADA4938-1ACPZ-R7 Parameter Description

The ADA4938-1 / ADA4938-2 are low noise, ultralow distortion, high speed differential amplifiers. It is an ideal choice for driving high performance ADCs with resolutions up to 16 bits from dc to 27 MHz, or up to 12 bits from dc to 74 MHz. The output common-mode voltage is adjustable over a wide range, allowing the ADA4938-1/ADA4938-2 to match the input of the ADC. The internal common-mode feedback loop also provides exceptional output balance as well as suppression of even-order harmonic distortion products.

Full differential and single-ended-to-differential gain configurations are easily realized with the ADA4938-1/ADA4938-2. A simple external feedback network of four resistors determines the closed-loop gain of the amplifier.

The ADA4938-1 / ADA4938-2 are fabricated using the Analog Devices, Inc., proprietary third generation, high voltage XFCB process, enabling it to achieve very low levels of distortion with an input voltage noise of only 2.6 nV/√Hz. The low dc offset and excellent dynamic performance of the ADA4938-1/ADA4938-2 makes them well-suited for a wide variety of data acquisition and signal processing applications.

The ADA4938-1 (single amplifier) is available in a Pb-free, 3 mm × 3 mm, 16-lead LFCSP. The ADA4938-2 (dual amplifier) is available in a Pb-free, 4 mm × 4 mm, 24-lead LFCSP. The pinouts have been optimized to facilitate layout and minimize distortion. The devices are specified to operate over the extended industrial temperature range of −40°C to +85°C.

Applications

  • ADC drivers
  • Single-ended-to-differential converters
  • IF and baseband gain blocks
  • Differential buffers
  • Line drivers

Purchase Guide

1. Send Enquiry
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Tell us the model and quantity you need, our sales staff will reply the price in time.

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3. Payment
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Shipping & Delivering

1. Shipping & Delivering
After receiving your payment, we will ship the goods for you within the delivery period and send the shipping number by email

2. Shipping cost already shown on the quote, please check your email.

3.We will evaluate the shipping cost according to the price of the product you purchased and the shipping address. If you need to specify the shipping method, you can notify us by email.

4. We support DHL, FedEx, UPS, SF to ship your goods by default



5.Regarding in stock parts, orders can generally be ready to ship within 4 hours.
We ship daily at 5pm.（UTC/GMT+8）
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose:
FedEx International, 5-7 business days.
DHL Express, 5-7 business days.

The following are some common countries' logistic time.



Note: 

The above table is for reference only, there may will have some delay for the uncontrollable factors.




Refund & Return
Refund
Refunds are normally accepted within 30 days from the date of the parcel delivered. Please contact our support team for any issues immediately once you receive your parcels includes but is not limited to below reasons:
Not received the parcel normally
Yes, we guarantee a refund or to resend your order if you haven't received the parcel beyond the regular shipping days, except the case which customer takes the responsibility for the unsuccessful delivery such as providing an incorrect shipping address, can not complete the customs clearance due to customer's reason, etc. Note: If the following issues occurs: extreme weather, post office delay, customs clearance, local protest, etc. In this case, we are incapable of guaranteeing on-time delivery, but we'll try our best to support you,thanks.
Some items missing from my shipment
First, check that you've received all the boxes associated with your order. Then fully empty each box you received, sometimes small parts get caught in crevices or in packing material. If you still can't find your item, please email customer service right away. Include a description of the missing quantities and pictures of the whole parcel. We'll forward them to our warehouse to check the monitor records and the packing pictures records. Steps:
1. Send email to support team for authorization.
2. We'll check and verify the issues.
3. Offer solutions to customer case by case.
Return
By returning products to WELL LINK CHIPS, the Customer certifies that the products were purchased from WELL LINK CHIPS and there has been no substitution in whole or part of the same product from another supplier, distributor or other such sources of the product. The return should be in the original packaging and in unused condition (except defective). ESD or moisture-sensitive products should not be opened except under controlled conditions. General Rules: Returns are normally accepted within 365 days from the date of the parcel delivered. When a customer requests a return due to 'non-original/fake/quality problems', a valid quality report from a third-party authoritative organization recognized by our company is required for the return and exchange. Any charges from customs and other fees should be paid by customers if the return reason is customers' reason, such as buy parts mistakenly,etc. Return Freight charges must be prepaid; we will not accept COD shipments.
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Welllink Chips’ quality control process is carried out in strict accordance with the ISO9001 international quality management system, and quality risks are controlled and reduced through strict supplier control measures + quality testing and other measures.
Supplier level control (Qualified suppliers, provisional suppliers and blacklisted suppliers)
Graded
management
Regular
assessment
Dynamic
management
  • Qualified suppliers
  • Original manufacturers, authorised agents, suppliers without quality incidents.
  • Provisional suppliers
  • Upgrade only if suppliers have passed the profile audit and have worked together 3 times or more without quality incidents.
  • Blacklisted suppliers
  • There is the sale of counterfeit and refurbished parts and the defaulting supplier will be permanently blacklisted.
Quality testing (QC process according to international standards to guarantee product quality)
Testing process:
Primary testing
Labels and outer packaging
Secondary testing
Appearance and electrical properties
Tertiary testing
Slicing, open cap, solderability, ambient temperature, ageing, X-RAY, ultrasound

  • External Visual Inspection

  • Electrical performance testing

  • Key functional testing

  • Key functional testing

  • Slice testing

  • X-RAY Inspection

Stock: 61 PCS

Please send RFQ , we will respond immediately.

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