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To replace an

ADA4665-2ARZ chip, you'll need to desolder the old one carefully (perhaps using techniques like Chip Quik for SMD chips) and solder in a new, functionally equivalent, dual-channel CMOS rail-to-rail op-amp, checking reputable distributors like DigiKey or Rochester Electronics for stock and considering pin compatibility, as it's a surface-mount (SOIC) part.

Key Considerations for Replacement:

Functionality: The ADA4665-2ARZ is a dual, rail-to-rail, CMOS, low-power operational amplifier, so your replacement needs to match these core features.
Package: It's in an 8-pin SOIC (Small Outline Integrated Circuit) package, so the replacement must have the same physical footprint for easy soldering.
Sourcing: You can find new chips from major distributors like {!Link:DigiKey.com https://www.digikey.com/en/products/detail/analog-devices-inc/ADA4665-2ARZ/2027831} or {!Link:Rochester Electronics https://www.rocelec.com/part/01t4w00000POfQYAA1-ADA46652ARZ}, or potentially on eBay.

Look for Analog Devices (ADI): Since it's an ADI part, other ADI dual rail-to-rail CMOS amps might work, but verify specs carefully.
Search Distributors: Use sites like DigiKey, Mouser, or Farnell and filter for:
- Type: Operational Amplifier
- Channels: Dual
- Rail-to-Rail Output: Yes
- Technology: CMOS
- Package: SOIC-8
Check Supplier Cross-Reference Tools: Some sites (like the one linked in the search) might list "replace parts," but always double-check specs.

Surface Mount (SMD): This chip is surface-mount, requiring careful soldering/desoldering with a hot air station or a soldering iron and flux, potentially using techniques like {!Link:Chip Quik materials (as seen in a YouTube video on removing similar chips) https://www.youtube.com/watch?v=5iPHDKR5h64}.
Preheater: A preheater can help soften solder joints and prevent board damage, especially if there's a large ground plane.

ADA4665-2ARZ | Analog Devices - Rochester Electronics
Your Price : $1.61. Buy More and Save! Reference pricing table. ... Pricing, availability and lead-times are subject to verificati...
Rochester Electronics
ADA4665-2ARZ Analog Devices Inc. | Integrated Circuits (ICs)
* How can I quickly find answers to my questions? Please visit the Help & Support area of our website to find information regardin...
DigiKey
ADA4665-2ARZ-R7 replace part - ICYI
China supplier of chip sales - ADA4665-2ARZ-R7 replace part offered by QAIC Tech Limited. Any questions,pls do not hesitate to con...
www.icyi.com

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ADA4665-2ARZ Analog Devices Inc.

DigiKey

https://www.digikey.com › products › detail › ADA466...

DigiKey

https://www.digikey.com › products › detail › ADA466...

Order today, ships today. ADA4665-2ARZ – CMOS Amplifier 2 Circuit Rail-to-Rail 8-SOIC from Analog Devices Inc.. Pricing and Availability on millions of ...

$2.51In stock$4.99 delivery30-day returns

5PCS ADA4665-2ARZ IC OPAMP GP R-R CMOS DUAL ...

eBay

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eBay

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We offer free repair service within one year from the date of purchase. For the first 1 month, we will pay one way shipping (from us to your location); ...Read more

$9.64In stock$9.20 delivery

ADA4665-2ARZ-R7 replace part - ICYI

icyi.com

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icyi.com

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LM358XK is a Replacement parts of ADA4665-2ARZ/ADA4665-2ARZ-R7 has good quality and a cheaper price, which can effectively help you reduce costs and make ...

ADA4665-2ARZ-RL,Analog Devices Inc.

CHIP-CHIP LIMITED

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CHIP-CHIP LIMITED

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ADA4665-2ARZ-RL ; Part Status. Active ; Mounting Type. Surface Mount ; -3db Bandwidth. - ; Amplifier Type. CMOS ; Package / Case. 8-SOIC (0.154", 3.90mm Width).

E Ada4665 2arz R7(393)

Alibaba

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Alibaba

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Explore the premium collection of e ada4665 2arz r7 for vehicles that help enhance performance by improving durability and maximizing efficiency.

ADA4665-2ARZ-R7

Fly Chips

https://flychips.com › Operational Amplifier

Fly Chips

https://flychips.com › Operational Amplifier

Dual, low noise, CMOS operational amplifier, 8-pin SOIC package. Quantity In Stock. 200. Manufacture.Read more

$1.427-day delivery

Missing: ~~replace~~ ‎| Show results with: replace

Chip Ada4665 2armz R7(427)

Alibaba.com

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Alibaba.com

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Optimize your printing efficiency with advanced chip ada4665 2armz r7 technology, ensuring high-quality outputs and seamless compatibility with various ...

ADA4665-2ARZ-RL | Original stock,Price

Ovaga Technologies

https://www.ovaga.com › products › detail › ada4665-2a...

Ovaga Technologies

https://www.ovaga.com › products › detail › ada4665-2a...

OVAGA has new and original Analog Devices, Inc ADA4665-2ARZ-RL parts with guaranteed quality, and can provide test reports, and offer PCB & SMT Assembly ...

ADA4665-2ARZ Analog Devices

Mouser Electronics, Inc.

https://www.mouser.com › ProductDetail › ADA4665-2...

Mouser Electronics, Inc.

https://www.mouser.com › ProductDetail › ADA4665-2...

ADA4665-2ARZ Analog Devices Precision Amplifiers 2.7V-16V Dual RR CMOS (non-precision) datasheet, inventory, & pricing.

$3.74In stock$4.99 delivery30-day returns

KWM Original New in Stock Amplifier IC SOIC-8 ADA4665- ...

Made-in-China.com

https://szkeweiming.en.made-in-china.com › product