OPA4684 - Burr Brown

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

Part No

OPA4684
Manufacturer

Burr Brown
ChipWorker Part#

CW531937757
RoHS

Lead free / RoHS Compliant
Description

Quad, Low-Power, Current-Feedback OPERATIONAL AMPLIFIER
Documentation

Datasheet

OPA4684 Global Supplier

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OPA4684 Specifications

Attribute	Attribute Value

Part Number	OPA4684
Manufacturer	Burr Brown
ChipWorker Part#	CW531937757
Documentation	Datasheet
	expand all
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

DESCRIPTION
The OPA4684 provides a new level of performance in lowpower, wideband, current-feedback (CFB) amplifiers. This CFB PLUS amplifier is among the first to use an internally closed-loop input buffer stage that enhances performance significantly over earlier low-power CFB amplifiers. While retaining the benefits of very low power operation, this new architecture provides many of the benefits of a more ideal CFB amplifier. The closed-loop input stage buffer gives a very low and linearized impedance path at the inverting input to sense the feedback error current. This improved inverting input impedance retains exceptional bandwidth to much higher gains and improves harmonic distortion over earlier solutions limited by inverting input linearity.
FEATURES
● MINIMAL BANDWIDTH CHANGE VERSUS GAIN
● 170MHz BANDWIDTH AT G = +2
● > 120MHz BANDWIDTH TO GAIN > +10
● LOW DISTORTION: < –78dBc at 5MHz
● HIGH OUTPUT CURRENT: 120mA
● SINGLE +5V TO +12V SUPPLY OPERATION
● DUAL ±2.5 TO ±6.0V SUPPLY OPERATION
● LOW SUPPLY CURRENT: 6.8mA Total
APPLICATIONS
● LOW-POWER BROADCAST VIDEO DRIVERS
● EQUALIZING FILTERS
● SAW FILTER HIGH-GAIN POST AMPLIFIERS
● MULTICHANNEL SUMMING AMPLIFIERS
● WIDEBAND DIFFERENTIAL CHANNELS
● ANALOG-TO-DIGITAL CONVERTERS (ADC) INPUT DRIVERS
● MULTIPLE POLE ACTIVE FILTERS
● OPA4658 LOW-POWER UPGRADE

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Ordering Information

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- Please check the technical specifications of the products when ordering.
- MOQ is the minimum order quantity required to purchase each part.
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- Carefully tested and packaged by ChipWorker
- Vacuum packed
- Anti-static packaging
- Anti-vibration foam
- Income quality control (IQC), 800+ qualified distributors.
- Authorities test the chip to ensure the quality, authenticity and safety of your device.
- Decapsulation control
- X-ray inspection
- XRF inspection
- Electrical testing
- Surface testing

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