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PA21A, PA21A/883, PA21A/883B

Table of contents:
Info of PA21A
Info of PA21A/883
Info of PA21A/883B

PA21A, PA21A/883, PA21A/883B Selling Leads, Datasheet

MFG:APEX Package Cooled:2000+ D/C:120

PA21A, PA21A/883, PA21A/883B Datasheet download

Five Points

Part Number: PA21A

MFG: APEX

Package Cooled: 2000+

D/C: 120

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PA21A General Description

The amplifiers consist of a monolithic dual power op amp in a 8-pin hermetic TO-3 package (PA21 and PA25) and a 12-pin SIP package (PA26). Putting two power op amps in one package and on one die results in an extremely cost effective solution for applications requiring multiple amplifiers per board or bridge mode configurations.

The wide common mode input range includes the negative rail, facilitating single supply applications. It is possible to have a "ground based" input driving a single supply amplifier with ground acting as the "second" or "bottom"supply of the amplifier.

The output stages are also well protected. They possess internal current limit circuits. While the device is well pro-tected, the Safe Operating Area (SOA) curve must be observed. Proper heatsinking is required for maximum reliabil-ity.

This hybrid integrated circuit utilizes thick film (cermet)resistors, ceramic capacitors and 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 isolation washers voids the warranty. The tab of the SIP12 plastic package is tied to VS.

PA21A Maximum Ratings

SUPPLY VOLTAGE, total                                                              5V to 40V
OUTPUT CURRENT                                                                      SOA
POWER DISSIPATION, internal (per amplifier)                            25W
POWER DISSIPATION, internal (both amplifiers)                        36W
INPUT VOLTAGE, differential                                                       ±V_S
INPUT VOLTAGE, common mode                                                 +VS, -VS.5V
JUNCTION TEMPERATURE, max1                                                 150°C
TEMPERATURE, pin solder-10 sec max                                      300°C
TEMPERATURE RANGE, storage                                                  65°C to 150°C
OPERATING TEMPERATURE RANGE, case                                    55°C to 125°C

PA21A Features

* LOW COST
* WIDE COMMON MODE RANGE -Includes negative supply
* WIDE SUPPLY VOLTAGE RANGE
Single supply: 5V to 40V
Split supplies: ±2.5V to ±20V
* HIGH EFFICIENCY - |Vs2.2V| at 2.5A typ
* HIGH OUTPUT CURRENT - 3A min (PA21A)
* INTERNAL CURRENT LIMIT
* LOW DISTORTION

PA21A Typical Application

* HALF & FULL BRIDGE MOTOR DRIVERS
* AUDIO POWER AMPLIFIER
       STEREO - 18W RMS per channel
       BRIDGE - 36W RMS per package
* IDEAL FOR SINGLE SUPPLY SYSTEMS
       5V - Peripherals
      12V - Automotive
      28V - Avionic

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