The PA343DF is a next generation product in the Cirrus Logic family of low cost, high voltage power amplifiers that feature the technology of Apex Precision Power®. This pin compatible replacement for the PA243DF, is a dual high voltage monolithic MOSFET operational amplifier that achieves performance features previously found only in hybrid designs while increasing reliability. By placing two amplifiers in a single package, the result is a cost-effective solution to applications where multiple amplifiers are required. Inputs are protected from excessive common mode and differential mode voltages. The safe operating area (SOA) has no secondary breakdown limitations and can be observed with all type loads by choosing an appropriate current limiting resistor. External compensation provides the user flexibility in choosing optimum gain and bandwidth for the application.
The PA343DF is packaged in a 24-pin PSOP (JEDEC MO-166) package with a metal heat slug that is isolated in excess of full supply voltage.
In transitioning to the PA343DF, the recommended values of some external components may change for optimal performance in certain applications; however, there should be no need for added components and the circuit board layout/artwork changes should not require revision.
| Part | Output Current MAX (A) | Supply Voltage MAX (V) | Slew Rate TYP (V/µs) | Standby Current MAX (mA) |  Power Dissipation MAX (W) |
|---|---|---|---|---|---|
| PA343 | 0.12 (x2) | 350 | 30 | 2.2 | 12 |
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