LTC6091 Dual 140V, Rail-to-Rail Output, Picoamp Input Current Op Amp FEATURESDESCRIPTION n Supply Range: ±4.75V to ±70V (140V) The LTC®6091 is a dual, high voltage precision operational n 0.1Hz to 10Hz Noise: 3.5μVP-P amplifier. The low noise, low bias current input stage is n Input Bias Current: 50pA Maximum ideal for high gain configurations. The LTC6091 has low n Low Offset Voltage: 1.25mV Maximum input offset voltage, a rail-to-rail output stage, and can be n Low Offset Drift: ±5μV/°C Maximum run from a single 140V or split ±70V supplies. n CMRR: 130dB Minimum The LTC6091 is internally protected against overtemper- n Rail-to-Rail Output Stage ture conditions. A thermal warning output, TFLAG, goes n Output Sink and Source: 50mA active when the die temperature approaches 150°C. The n 12MHz Gain-Bandwidth Product output stage can be turned off with the output disable pin n 21V/μs Slew Rate OD. By tying the OD pin to the thermal warning output, n 11nV/√Hz Noise Density the part will disable the output stage when it is out of the n Thermal Shutdown safe operating area. These pins easily interface to any n 4mm × 6mm 16-Lead QFN Package logic family. APPLICATIONS The LTC6091 is unity-gain stable with up to a 200pF output capacitor. A wide input and output common mode range n ATE along with many features makes the LTC6091 useful for n Piezo Drivers many high voltage applications. n Photodiode Amplifier n High Voltage Regulators L, LT, LTC, LTM, Linear Technology, the Linear logo and Over-The-Top are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their n Optical Networking respective owners. TYPICAL APPLICATIONHigh Voltage Analog MUXVOUT vs Time 10 SELECT SELECT CHA/CHB CHA/CHB 0 10V/DIV 10k ODA COMA + 1/2 LTC6091 CHAIN – MUX OUT 20V/DIV 10k 100k MUX OUT 10k ODB COMB + CHB CHA CHB 1/2 LTC6091 CHB TIME (200µs/DIV) 6091 TA01b IN – 10k 100k 6091 TA01a CHAIN = 10VP-P, 20kHz SINE CHBIN = 5VP-P, 20kHz TRIANGLE 6091fa For more information www.linear.com/LTC6091 1 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Typical Application Related Parts
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