APEX MICROTECHNOLOGY CORPORATION • TELEPHONE (520) 690–8600 • FAX (520) 888–3329 • ORDERS (520) 690–8601 • EMAIL prodlit@apexmicrotech.com

1

TYPICAL APPLICATION

The PA69 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

information on product containers. The external compensation

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.

FEATURES

• A UNIQUE (Patent Pending) TECHNIQUE FOR VERY

LOW QUIESCENT CURRENT

• OVER 350 V/µS SLEW RATE

• WIDE SUPPLY VOLTAGE

• Single Supply: 20V to 200V

• Split Supplies: +/– 10V to +/– 100V

• OUTPUT CURRENT– 75mA cont. ; 100mA Pk

• UP TO 23 WATT DISSIPATION CAPABILITY

• OVER 200 kHz POWER BANDWIDTH

APPLICATIONS

• PIEZOELECTRIC POSITIONING AND ACTUATION

• ELECTROSTATIC DEFLECTION

• DEFORMABLE MIRROR ACTUATORS

• CHEMICAL AND BIOLOGICAL STIMULATORS

DESCRIPTION

The PA69 is a high voltage, high speed Precision IC power

op amp with performance and unique features not found previ-

ously in any commercially available OpAmp .

Novel input stage design of this amplifier provides extremely

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 unity gain bandwidth

and phase. It is important to note that 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.

M I C R O T E C H N O L O G Y

PA69

12–PIN SIP

PACKAGE STYLE EU

LEAD FORM EW

BLOCK DIAGRAM