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Amplifiers Specialize in Driving Piezoelectric Capacitive Loads in Inkjet Printer Heads

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Choose Either a 4-Channel, 7.5 A per Channel Amplifier, Or a Fixed-Gain Amplifier with -36 V Output Voltage Swing


TUCSON, Arizona, U.S.A. – The MPA106 and MP204 are Apex Microtechnology’s newest high-power amplifiers targeting the piezeoelectric drive circuits used for inkjet printer heads. The MP106 is a high output power amplifier optimized for producing negative output voltages. The MP204 is a high output current quad-channel amplifier capable of 7.5 A pulsed current per channel.
 
The MP106 is optimized for driving negative voltages up to a -36 V swing across dynamically changing loads of
0-540 nF. For performance in driving inkjet printer heads comprised of multiple nozzles, the output signal for the MP106 is virtually independent from the capacitive load to ensure consistent print quality.  

The MP204 is a 4-channel power amplifier design that was developed for driving the Ricoh GEN4 and GEN5
print, or those similar. Each channel has a fixed gain of 14 V/V (22.9 dB) and is internally compensated to operate with capacitive print head loading. The MP204 can provide 1.5 A per channel continuously or 7.5 A pulsed, and can handle a maximum 20 W of internal power dissipation per channel.
 
Pricing, Availability and Evaluation Tools
Sample units of the MP106 and MP204 are available now for qualified applications, with production volumes
available for order. Per unit pricing for the MP106 in 100-piece quantities is $97.59 USD. The MP204 is priced $105.39 USD in 100-piece production quantities. Complete product information is online at
www.apexanalog.com/products/mp106 and www.apexanalog.com/products/mp204

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