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50?V op amp supports 76V input range

Posted: 18 Feb 2013 ?? ?Print Version ?Bookmark and Share

Keywords:operational amplifiers? Over-the-Top architecture? offset voltage?

Linear Technology has rolled out the LT6016 and LT6017 that the company said are dual and quad wide input range operational amplifiers. The amplifiers claim to combine high precision with the ruggedness and versatility of the company's Over-the-Top architecture. Input offset voltage is 50?V max, input bias current is 5nA and low frequency noise is 0.5?VP-P making these devices suitable for a various precision industrial, automotive and instrumentation applications, said Linear Tech.

Over-the-Top inputs provide true operation well beyond the V+ rail. The LT6016/LT6017 function normally with inputs up to 76V above V- independent of whether V+ is 3V or 50V. Additional fault tolerant features protect the op amps from reverse supply conditions (up to -50V at V+), negative transients (up to -25V at VIN), and forced output voltage with no power supplied (up to 50V at VOUT). The robust architecture is especially useful for applications where the amplifier is at the analogue interface to another board, and for high-side and low-side current sensing.

The LT6016 and LT6017 are fully specified over -40C to 85C, -40C to 125C, and -55C to 150C temperature ranges. The dual LT6016 is available in an 8-lead MSOP package, starting at $2.50 each in quantities of 1000. The quad LT6017 is available in a 6 x 3mm DFN package, starting at $3.96 each in quantities of 1000.

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