AD8641 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

AD8641
Manufacturer

ADI
ChipWorker Part#

CW430839272
RoHS

Lead free / RoHS Compliant
Description

Low Power, Rail-to-Rail Output Precision JFET Amplifier
Documentation

Datasheet

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AD8641 Specifications

Attribute	Attribute Value

Part Number	AD8641
Manufacturer	ADI
ChipWorker Part#	CW430839272
Documentation	Datasheet
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Product Lifecycle Status	Active
RoHS	RoHS Compliant

Product Description

Product Details
The AD8641/AD8642/AD8643 are low power, precision JFET input amplifiers featuring extremely low input bias current and rail-to-rail output. The ability to swing nearly rail-to-rail at the input and rail-to-rail at the output enables designers to buffer CMOS DACs, ASICs, and other wide output swing devices in single-supply systems. The outputs remain stable with capacitive loads of more than 500 pF.
The AD8641/AD8642/AD8643 are suitable for applications utilizing multichannel boards that require low power to manage heat. Other applications include photodiodes, ATE reference level drivers, battery management, and industrial controls.
The AD8641/AD8642/AD8643 are fully specified over the extended industrial temperature range of –40°C to +125°C. The AD8641 is available in 5-lead SC70 and 8-lead SOIC lead-free packages. The AD8642 is available in 8-lead MSOP and 8-lead SOIC lead-free packages. The AD8643 is available in 14-lead SOIC and 16-lead, 3 mm × 3 mm, LFCSP lead-free packages.
**Applications**
* Line-/battery-powered instruments
* Photodiode amplifiers
* Precision current sensing
* Medical instrumentation
* Industrial controls
* Precision filters
* Portable audio
* ATE
### Features and Benefits
Low Supply Current: 250 µA max
Very Low Input Bias Current: 1 pA max
Low Offset Voltage: 750 µV max
Single-supply Operation: 5 V to 26 V
Dual-supply Operation: ±2.5 V to ±13 V
Rail-to-rail Output
Unity Gain Stable
No Phase Reversal
SC70 Package

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- Carefully tested and packaged by ChipWorker
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- Anti-vibration foam
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- Electrical testing
- Surface testing

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