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AD8065:  High Performance, 145 MHz FastFET™ Op Amp

The AD8065/AD80661 FastFET™ amplifiers are voltage feedback amplifiers with FET inputs offering high performance and ease of use. The AD8065 is a single amplifier, and the AD8066 is a dual amplifier. These amplifiers are developed in the Analog Devices, Inc. proprietary XFCB process and allow exceptionally low noise operation (7.0 nV/√Hz and 0.6 fA/√Hz) as well as very high ...More

AD8065:  High Performance, 145 MHz FastFET™ Op Amp

Product Description

The AD8065/AD80661 FastFET™ amplifiers are voltage feedback amplifiers with FET inputs offering high performance and ease of use. The AD8065 is a single amplifier, and the AD8066 is a dual amplifier. These amplifiers are developed in the Analog Devices, Inc. proprietary XFCB process and allow exceptionally low noise operation (7.0 nV/√Hz and 0.6 fA/√Hz) as well as very high input impedance.

With a wide supply voltage range from 5 V to 24 V, the ability to operate on single supplies, and a bandwidth of 145 MHz, the AD8065/AD8066 are designed to work in a variety of applications. For added versatility, the amplifiers also contain rail-to-rail outputs.

Despite the low cost, the amplifiers provide excellent overall performance. The differential gain and phase errors of 0.02% and 0.02°, respectively, along with 0.1 dB flatness out to 7 MHz, make these amplifiers ideal for video applications. Additionally, they offer a high slew rate of 180 V/μs, excellent distortion (SFDR of −88 dBc @ 1 MHz), extremely high common-mode rejection of −100 dB, and a low input offset voltage of 1.5 mV maximum under warmed up conditions. The AD8065/AD8066 operate using only a 6.4 mA/amplifier typical supply current and are capable of delivering up to 30 mA of load current.

The AD8065/AD8066 are high performance, high speed, FET input amplifiers available in small packages: SOIC-8, MSOP-8, and SOT-23-5. They are rated to work over the industrial temperature range of −40°C to +85°C.

1Protected by U.S. Patent No. 6,262,633.

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  • FET input amplifier
  • 1 pA input bias current
  • High speed: 145 MHz, -3 dB bandwidth
    (G = +1)
  • Low cost
  • 180 V/µs slew rate (G = +2)
  • Low noise
    7 nV/√Hz (f = 10 kHz)
    0.6 fA/√Hz (f = 10 kHz)
  • Wide supply voltage range: 5 V to 24 V
  • Single-supply and rail-to-rail output
  • Low offset voltage 1.5 mV maximum
  • High common-mode rejection ratio: -100 dB
  • Excellent distortion specifications
  • SFDR −88 dBc @ 1 MHz
  • Low power: 6.4 mA/amplifier typical supply current
  • -3dB Bandwidth: 145MHz
  • Slew Rate: 180V/µs
  • Vos: 400µV
  • Ib: 2pA
  • Input Noise (nV/rtHz): 7nV/rtHz
  • Vcc-Vee Supply (V): 5 to 24
  • Iq per Amplifier: 7.4mA
  • # OpAmps per Pkg: 1
  • Operating Temp Range: -40 to +85
  • Packages: SOIC,SOT

AD8065 Pin Configuration Diagram

Circuits from the Lab

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Similar Products

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Part# Small Signal Bandwidth Slew Rate Vos Ib V Noise Density Amplifiers Per Package Widest Temp Range (°C)
AD8065 145MHz 180V/µs 400µV 2pA 7nV/rtHz 1 -40 to +85
AD8067 54MHz 640V/µs 200µV 600fA 6.6nV/rtHz 1 -40 to +85
AD8066 145MHz 180V/µs 400µV 2pA 7nV/rtHz 2 -40 to +85
ADA4899-1 600MHz 310V/µs 35µV 100nA 1nV/rtHz 1 -40 to +125
AD8099 500MHz 1.6KV/µs 200µV 3µA 950pV/rtHz 1 -40 to +125
AD829 120MHz 230V/µs 200µV 3.3µA 1.7nV/rtHz 1 -55 to +125
AD8610 25MHz 60V/µs 75µV 2pA 6nV/rtHz 1 -40 to +125
AD8651 50MHz 41V/µs 100µV 1pA 4.5nV/rtHz 1 -40 to +125
ADA4817-1 1.05GHz 870V/µs 400µV 2pA 4nV/rtHz 1 -40 to +105
AD8057 325MHz 1.15KV/µs 1mV 500nA 7nV/rtHz 1 -40 to +85
AD8007 650MHz 1KV/µs 500µV 4µA 2.7nV/rtHz 1 -40 to +85
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Pricing, Packaging & Availability

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Model
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Status
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  • Pre-Release: The model has not been released to general production, but samples may be available.
  • Production: The model is currently being produced, and generally available for purchase and sampling.
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Package Description
The package for this IC (i.e. DIP, SOIC, BGA). An Evaluation Board is a board engineered to show the performance of the model, the part is included on the board.

For detailed drawings and chemical composition please consult our  Package Site

Pin Count
Pin Count is the number of pins, balls, or pads on the device. Pin-out diagrams & pin function descriptions may be found in the datasheet.

Temperature Range
This is the acceptable operating range of the device. The various ranges specified are as follows:
  • Commercial: 0 to +70 degrees Celsius
  • Military : -55 to +125 degrees Celsius
  • Industrial: Temperature ranges may vary by model. Please consult the datasheet for more information.
  • Automotive: -40 to +125 degrees Celsius
Price
The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

Production Availability
This is the date Analog Devices, Inc. anticipates that the product will ship from the warehouse. Most orders ship within 48 hours of this date.Once an order has been placed, Analog Devices, Inc. will send an Order Acknowledgement email to confirm your delivery date. It is important to note the scheduled dock date on the order entry screen. We do take orders for items that are not in stock, so delivery may be scheduled at a future date. Also, please note the warehouse location for the product ordered. We have warehouses in the United States, Europe and Southeast Asia. Transit times from these sites may vary.
Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.

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Due to environmental concerns, ADI offers many of our products in lead-free versions. For more information about lead-free parts, please consult our Pb (Lead) free information page.

View PCN
This is the list of Product Change Notifications (PCN) published on the web for this model. Click on the link to access PCN Information.Only select pre-2009 PCN�s are available on-line. To obtain a pre-2009 PCN, contact your ADI Sales Rep. For more information on ADI's PCN process, please visit our PCN Policy Statement page

*The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
**Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.