Logarithmic And Log Ratio Amplifier

The LOG102 is a versatile integrated circuit that computes the logarithm or log ratio of an input current relative to a reference current. The LOG102 is tested over a wide dynamic range of input signals. In log ratio applications, a signal current CAN be generated by a Photodiode and a reference current from a resistor in series with a precision external Voltage Reference In the block diagram shown below, A3 and A4 are identical, uncommitted op amps that CAN be used for a variety of functions, such as filtering, offsetting, adding gain or as a Comparator to detect loss of signal. By Texas Instruments
Part Manufacturer Description Datasheet Samples
LOG102AIDRG4 Texas Instruments LOG OR ANTILOG AMPLIFIER, 1.4MHz BAND WIDTH, PDSO14, GREEN, PLASTIC, MS-012AB, SOIC-14
LOG102AID Texas Instruments Logarithmic and Log Ratio Amplifier 14-SOIC 0 to 70
LOG102AIDG4 Texas Instruments Logarithmic and Log Ratio Amplifier 14-SOIC 0 to 70
LOG102AIDR Texas Instruments Logarithmic and Log Ratio Amplifier 14-SOIC 0 to 70
LOG102 's PackagesLOG102 's pdf datasheet
LOG102AID SOIC
LOG102AIDG4 SOIC
LOG102AIDR SOIC
LOG102AIDRG4 SOIC




LOG102 Pinout, Pinouts
LOG102 pinout,Pin out
This is one package pinout of LOG102,If you need more pinouts please download LOG102's pdf datasheet.

LOG102 Application circuits
LOG102 circuits
This is one application circuit of LOG102,If you need more circuits,please download LOG102's pdf datasheet.


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