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Technical Specifications
Parameters and characteristics for this part
| Specification | LOG112AIDG4 |
|---|---|
| -3db Bandwidth | 45 kHz |
| Amplifier Type | Logarithmic and Log Ratio |
| Current - Input Bias | 5 pA |
| Current - Supply | 1.25 mA |
| Gain Bandwidth Product | 1.4 MHz |
| Mounting Type | Surface Mount |
| Number of Circuits | 1 |
| Operating Temperature [Max] | 75 ░C |
| Operating Temperature [Min] | -5 °C |
| Package / Case | 14-SOIC |
| Package / Case [x] | 0.154 in |
| Package / Case [y] | 3.9 mm |
| Voltage - Input Offset | 300 çV |
| Voltage - Supply Span (Max) [Max] | 36 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
Description
General part information
LOG112 Series
The LOG112 and LOG2112 are versatile integrated circuits that compute the logarithm or log ratio of an input current relative to a reference current. VLOGOUTof the LOG112 and LOG2112 are trimmed to 0.5V per decade of input current, ensuring high precision over a wide dynamic range of input signals.
The LOG112 and LOG2112 features a 2.5V voltage reference that may be used to generate a precision current reference using an external resistor.
Low DC offset voltage and temperature drift allow accurate measurement of low-level signals over the specified temperature range of –5°C to +75°C.
Documents
Technical documentation and resources
No documents available