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PA1901, PA1902A, PA19A

Table of contents:
Info of PA1901
Info of PA1902A
Info of PA19A

PA1901, PA1902A, PA19A Selling Leads, Datasheet

MFG:APEX Package Cooled:QFP-S12P D/C:05+

PA1901, PA1902A, PA19A Datasheet download

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Part Number: PA1901

MFG: APEX

Package Cooled: QFP-S12P

D/C: 05+

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PA19A General Description

The PA19 is a high voltage, high current operational amplifier optimized to drive a variety of loads from DC through the video frequency range. Excellent input accuracy is achieved with a dual monolithic FET input transistor which is cascodedby two high voltage transistors to provide outstanding common mode characteristics. All internal current and voltage levels are referenced to a zener diode biased on by a current source. As a result, the PA19 exhibits superior DC and AC stability over a wide supply and temperature range.

High speed and freedom from second breakdown is assured by a complementary power MOS output stage. For optimum linearity, especially at low levels, the power MOS transistors are biased in a class A/B mode. Thermal shutoff provides full protection against overheating and limits the heatsink requirements to dissipate the internal power losses under normal operating conditions. A built-in current limit of 0.5A can be increased with the addition of two external
resistors. Transient inductive load kickback protection is provided by two internal clamping diodes. External phase compensation allows the user maximum flexibility in obtaining the optimum slew rate and gain bandwidth product at all gain settings. A heatsink of proper rating is recommended.

This hybrid circuit utilizes thick film (cermet) resistors, ceramic capacitors, and silicon semiconductor chips to maximize reliability, minimize size, and give top performance. Ultrasonically bonded aluminum wires provide reliable interconnections at all operating temperatures. The 8-pin TO-3 package is hermetically sealed and electrically isolated. The use of compressible thermal washers and/or improper mounting torque will void the product warranty. Please see "General Operating Considerations".

PA19A Maximum Ratings

SUPPLY VOLTAGE, +V_S to V_S                                                      80V
OUTPUT CURRENT, within SOA                                                         5A
POWER DISSIPATION, internal                                                      78W
INPUT VOLTAGE, differential                                                           40V
INPUT VOLTAGE, common mode                                                      ±VS
TEMPERATURE, pin solder                                             - 10 sec 300°C
TEMPERATURE, junction¹                                                            150°C
TEMPERATURE, storage                                                    65 to 155°C
OPERATING TEMPERATURE RANGE, case                           55 to 125°C

PA19A Features

• VERY FAST SLEW RATE - 900 V/s
• POWER MOS TECHNOLOGY - 4A peak rating
• LOW INTERNAL LOSSES - 2V at 2A
• PROTECTED OUTPUT STAGE - Thermal Shutoff
• WIDE SUPPLY RANGE - ±15V TO ±40V

PA19A Typical Application

• VIDEO DISTRIBUTION AND AMPLIFICATION
• HIGH SPEED DEFLECTION CIRCUITS
• POWER TRANSDUCERS UP TO 5 MHz
• MODULATION OF RF POWER STAGES
• POWER LED OR LASER DIODE EXCITATION

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