High Voltage Opamp PR2201 / PR2202 High Voltage Operational … PR2202 is a dual operational amplifier based on PR2201. … voltage, but also at all other pins, integrated circuits … High Voltage Opamp PR2201 / PR2202 High Voltage Operational Amplifiers PR2201 and PR2202 PR2201 is a monolithic high-voltage operational amplifier with JFET input stage and NPN/ PNP output stage. The wide common mode input range and the large differential input voltage range allow to measure large signals close to the supply lines. A low quiescent …

PR2201 is a monolithic high-voltage operational amplifier with JFET input stage and NPN/ PNP output stage. The wide common mode input range and the large differential input voltage range allow to measure large signals close to the supply lines. A low quiescent current keeps the heat dissipation low. PR2202 is a dual operational amplifier based on PR2201. Features • Supply voltage up to 80V or ±40V • Wide common mode input range • Near rail-to-rail output • JFET input stage with very low input bias current • Output current up to 6mA • Gain bandwidth product >1 MHz • Low quiescent current • Overtemperature shutdown • Offset compensation by external trimming (only PR2201) Block Diagram PR2201 PR2202 High Voltage Opamp PR2201 / PR2202 Absolute Maximum Ratings Parameter Min TypMaxUnits V CC -V EE (not permanent) -0.3 90 V In+, In- Vee Vcc V Storage Temperature Range -55 150 °C Electrostatic Discharge (ESD) Protection 1 kV Electrical Characteristics…. High Voltage Opamp PR2201 / PR2202 Application Notes At very high slew rates, especially at the supply voltage, but also at all other pins, integrated circuits can latch, leading to a high current flow and usually fast destruction of the IC and its environment. Although during IC design precautions were taken to suppress latch-up, this can become critical for high-voltage ICs, especially at voltages above 60V. The slew rate of the supply voltage should limited e.g. by means of an RC-combination. All other signals should be blocked by capacitors to avoid sharp transients. Safety note: Latching circuits can draw very high currents. To avoid consequential damage of the power supply and the danger of fire in case of a failure, it is necessary to limit the current by resistors, active current limiting circuits, or fuses. Differential voltages in excess to the specified value can damage the input stage. Note that in a feedback circuit, if at input signals with high slew rates the output cannot follow the input, transients with high differential voltages may occur. This can happen e.g. if the input signal is connected over a bouncing mechanical contact. If such situations cannot be avoided, the input differential voltage must be limited by an external protection circuit, e.g. fast Zener diodes. Offset compensation (PR2201 only) Pins Comp1 and Comp2 allow to compensate the input offset of the amplifier by means of an external potentiometer or two trimmable resistors.

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