The AD8065/AD8066 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.
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
The Universal Dual High Speed Amplifier Evaluation Boards are bare boards that enables users to quickly prototype a variety of amplifier circuits, which minimizes risk and reduces time to market. These boards are all RoHs Compliant. See ordering guide below on what board to order by lead count and package.
The EVAL-AD7928SDZ is a full featured evaluation board that allows the user to easily evaluate all the features of the AD7928 analog-to-digital converter (ADC). The evaluation board can be controlled by theEVAL-SDP-CB1Z SDP board via a 120-way SDP connector (J102). The SDP board allows the evaluation board to be controlled through the USB port of a PC using the AD7928 evaluation software, which is available for download from the product page or from the installer CD included in the evaluation board kit.
On-board components include the following:
- ADP1613: 20 V, 2 A, step up, dc-to-dc regulator
- ADP7104ARDZ-5.0: 5 V, low noise LDO
- AD780: high precision, band gap voltage reference
- ADG3308: bidirectional logic level translator
- AD8022: dual high speed, low noise operational amplifier
- AD8066: dual FastFET™, low noise operational amplifier
- ADA4000-2: dual low cost, precision JFET input operational amplifier
- ADM1185: quad voltage monitor and sequencer
- ADP3303: high accuracy anyCAP®, 200 mA, low dropout linear regulator
Evaluation Kit Contents
EVAL-AD7928SDZ evaluation board
Evaluation software CD for the AD7928
Mains power supply adapter
Additional Equipment Needed
EVAL-SDP-CB1Z system demonstration platform
PC running Windows Vista or Windows 7 with USB 2.0 port
AD7928 data sheet
EVAL-AD7928SDZ user guide
AD7928 evaluation software
Design and Integration Files
Schematics, layout files, bill of materials
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.
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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.