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Solutions Search - LT1880 - SOT-23, Rail-to-Rail Output, Picoamp Input Current Precision Op Amp

5V Powered, Single Supply Current Source for –50°C to 600°C Platinum RTD

Feb 1st 2001
The LT1880 op amp brings high accuracy input performance and rail-to-rail output swing to the SOT-23 package. Input offset voltage is trimmed to less than 150μV and the low drift maintains this accuracy over the operating temperature range. Input bias current is an ultralow 900pA maximum. ...

Circuit 

 

Single Supply Current Source for Platinum RTD

Feb 1st 2001
The LT1800's Precision and low bias input stage is used to good advantage in Fig. 5 Single Supply Current Source for Platinum RTD circuit. R4 and C1 stabilize the circuit making it insensitive to cable characteristics. Output is 1.00V at 0ºC and its gain factor is 3.85mV/ºC. ...

Circuit 

 

Precision Photodiode Amplifier

Feb 1st 2001
The LT1880 provides a high degree of precision with very low bias current (IB = 150pA typical). Total output offset is below 262mV, worst-case, over temperature (0°C to 70°C). With a 5V output swing this implies a minimum 86dB dynamic range. ...

Circuit 

 

0A to 2A Current Source

Feb 1st 2001
The LT1995 amplifies the sense resistor drop by 5V/V and subtracts that from VIN, providing an error signal to an LT1880 integrator. The integrated error drives the PMOSFET as required to deliver the commanded current. ...

Circuit