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Op amp integrates cooling devices

Posted: 10 Jan 2006 ?? ?Print Version ?Bookmark and Share

Keywords:Power Amp Design? operational amplifier? op amp? PAD117? Bettyann Liotta?

Power Amp Design's operational amplifier boasts rail-to-rail operation at both the inputs and the outputcombined with a power supply voltage range from 8V to 50V (100V total supply voltage) and an output range up to 15A.

In addition, the PAD117 op amp is supplied with an integral heatsink and fan allowing for an internal power dissipation up to 100W, which is quite unique, according to Power Amp Design. The PAD117 is intended for applications where maximum output voltage is required with limited supply voltages.

Some applications for these high power amplifiers include linear motor drives, industrial audio, semiconductor testing and vibration canceling.

The PAD117 op amp can operate from a single supply voltage. The output can very closely approach the supply rails, which is also unusual for a power amplifier, the company said.

With a footprint of 5.6-inch2, the PAD117 offers performance that rivals much more expensive hybrid component amplifiers or rack-mount amplifiers, the company said. User selectable external compensation tailors the amplifier's response to the application requirements. Four-wire programmable current limit is built-in, but the PAD117 is compatible with the external PAD121 current limit accessory module as well. The PAD117 also features a substrate temperature reporting output and over-temp shutdown.

The PAD117 operational amplifier costs $143 each in 100-piece quantities. An evaluation kit (EVAL117) is available for $114.

- Bettyann Liotta

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