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FEATURES
• A UNIQUE (Patent Pending) TECHNIQUE FOR VERY
LOW QUIESCENT CURRENT < 1 mA
• OVER 350 V/µS SLEW RATE
• WIDE SUPPLY VOLTAGE
• SINGLE SUPPLY: 10V to 200V
• SPLIT SUPPLIES: +/- 10V to +/- 100V
• OUTPUT CURRENT- 150mA cont. ; 200mA Pꢀ
• UP TO 23 WATT DISSIPATION CAPABILITY
• OVER 300 ꢀHz POWER BANDWIDTH
20-PIN PSOP
PACkAGE STYLE Dk
12-PIN SIP
PACkAGE STYLE EU
LEAD FORM EW
APPLICATIONS
• PIEZOELECTRIC POSITIONING AND ACTUATION
• ELECTROSTATIC DEFLECTION
• DEFORMABLE MIRROR ACTUATORS
• CHEMICAL AND BIOLOGICAL STIMULATORS
TYPICAL APPLICATION
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DESCRIPTION
The PA86 is a high voltage, high speed Precision IC power
opampwithperformanceanduniquefeaturesnotfoundprevi-
ously in any commercially available OpAmp .
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Novelinputstagedesignofthisamplifierprovidesextremely
high slew rates in pulse applications while maintaining low
quiescent current of under 1mA. This novel input stage also
has the effect of adding variables to the power response and
slew rate characteristics of the amplifier. To a lesser degree,
there are also input related effects on open loop gain and
phase. It is important to note that slew rate for the PA86 is
independent of supply current. However the slew rate is a
strong function of input voltage amplitude. It should be noted
that the package tab needs to be connected to a stable
reference such as GND for high slew rates. Please refer
to special considerations section for details.
The output stages are well protected with user defined
current limit although the Safe Operating Area (SOA) must
be observed for reliable protection. Proper heatsinking is
required for maintaining maximum reliability. External phase
compensation provides the user with great flexibility in trading
gain, stability and bandwidth.
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The PA86 is ideally suited to driving continuous drop ink jet
systems, in both piezo actuation and deflection applications.
Thedeflectionamplifiershownaboveachievesaccuratedroplet
displacement at high speeds to deposit crisp, clear lot code
informationonproductcontainers.Theexternalcompensation
networks have been optimized to match the gain of the circuit
and the complex impedance of the load. The combination of
high voltage and high speed allow repeatable low cost deflec-
tion of droplets for high production environments.
EXTERNAL CONNECTIONS - EU PACkAGE
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APEX MICROTECHNOLOGY CORPORATION • TELEPHONE (520) 690-8600 • FAX (520) 888-3329 • ORDERS (520) 690-8601 • EMAIL prodlit@apexmicrotech.com
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