AD8072

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AD8072

Low Cost, Dual Video Amplifier

LAST TIME BUY

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Features

Very Low Cost
Good Video Specifications (R_L = 150 O)
Gain Flatness of 0.1 dB to 10 MHz
0.05% Differential Gain Error
0.1° Differential Phase Error
Low Power
3.5 mA/Amplifier Supply Current
Operates on Single 5 V to 12 V Supply
High Speed
100 MHz, –3 dB Bandwidth (G = +2)
500 V/µs Slew RateFast Settling Time of 25 ns (0.1%)
Easy to Use
30 mA Output Current
Output Swing to 1.3 V of Rails on
Single 5 V Supply

Additional Details

The AD8072 (dual) and AD8073 (triple) are low cost, current feedback amplifiers intended for high volume, cost sensitive applications. In addition to being low cost, these amplifiers deliver solid video performance into a 150 (ohm) load while consuming only 3.5 mA per amplifier of supply current. Furthermore, the AD8073 is three amplifiers in a single 14-pin narrow-body SOIC package. This makes it ideal for applications where small size is essential. Each amplifier’s inputs and output are accessible providing added gain setting flexibility.

These devices provide 30 mA of output current per amplifier, and are optimized for driving one back terminated video load (150 (ohm)) each. These current feedback amplifiers feature gain flatness of 0.1 dB to 10 MHz while offering differential gain and phase error of 0.05% and 0.1°. This makes the AD8072 and AD8073 ideal for business and consumer video electronics.

Both will operate from a single +5 V to +12 V power supply. The outputs of each amplifier swing to within 1.3 volts of either supply rail to accommodate video signals on a single +5 V supply.

The high bandwidth of 100 MHz, 500 V/µs of slew rate, along with settling to 0.1% in 25 ns, make the AD8072 and AD8073 useful in many general purpose, high speed applications where a single +5 V or dual power supplies up to ±6 V are needed. The AD8072 is available in 8-pin plastic DIP and SOIC packages while the AD8073 is available in 14-pin plastic DIP and SOIC packages. Both operate over the commercial temperature range of 0°C to +70°C.

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Technical Documents 7

AD8072/AD8073: Low Cost, Dual /Triple Video Amplifiers Data Sheet (Rev.D) 05/24/1996

UG-128: Universal Evaluation Board for Dual High Speed Op Amps in SOIC Packages 04/19/2010

UG-886: Universal Evaluation Board for Dual High Speed Op Amps Offered in 8-Lead MSOP 10/26/2015

AN-692: Universal Precision Op Amp Evaluation Board (Rev.A) 12/04/2003

AN-358: Noise and Operational Amplifier Circuits 02/14/2015

AN-357: Operational Integrators 02/14/2015

AN-358: Noise and Operational Amplifier Circuits 03/01/1969

Reference Materials 4

MT-051: Current Feedback Op Amp Noise Considerations 05/06/2009

MT-059: Compensating for the Effects of Input Capacitance on VFB and CFB Op Amps Used in Current-to-Voltage Converters 02/14/2015

High Speed Amplifiers Selection Table 02/27/2008

A Stress-Free Method for Choosing High-Speed Op Amps 05/08/2015

EVAL-HSAMP-2

Universal Evaluation Board for Dual High Speed Operational Amplifiers

Universal Evaluation Board for Dual High Speed Operational Amplifiers

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EVAL-HSAMP-2

Universal Evaluation Board for Dual High Speed Operational Amplifiers

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Product Detail

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.

Resources

pdf

UG-267: Universal Evaluation Board for Dual High Speed Op Amps Offered in 8-Lead 3 mm × 3 mm LFCSP