| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 16 Pin |
| Case/Package | VQFN-16 |
| Supply Current | 10 mA |
| Number of Circuits | 1 Circuit |
| Number of Channels | 5 Channel |
| Number of Positions | 16 Position |
| Common Mode Rejection Ratio | 70 dB |
| Quiescent Current | 10.0 mA |
| Bandwidth | 50 MHz |
| Slew Rate | 5.00 V/μs |
| Gain Bandwidth Product | 50 MHz |
| Input Offset Voltage | 4 mV |
| Input Bias Current | 5 pA |
| Operating Temperature (Max) | 70 ℃ |
| Operating Temperature (Min) | 0 ℃ |
| 3dB Bandwidth | 5 MHz |
| Gain Bandwidth | 15 MHz |
| Supply Voltage (Max) | 5.5 V |
| Supply Voltage (Min) | 2.4 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tape & Reel (TR) |
| Size-Length | 4.15 mm |
| Size-Width | 4.15 mm |
| Size-Height | 0.95 mm |
| Operating Temperature | -5℃ ~ 75℃ |
The LOG114AIRGVT is a precision high-speed Logarithmic Amplifier designed for measuring low-level and wide dynamic range currents in communications and lasers. The device computes the logarithm or log-ratio of an input current or voltage relative to a reference current or voltage (logarithmic transimpedance amplifier). High precision is ensured over a wide dynamic range of input signals on either bipolar (±5V) or single (+5V) supply. Special temperature drift compensation circuitry is included on-chip. In log-ratio applications, the signal current may be from a high impedance source such as a photodiode or resistor in series with a low impedance voltage source. The reference current is provided by a resistor in series with a precision internal voltage reference, photo diode or active current source. The output signal at VLOGOUT has a scale factor of 0.375V out per decade of input current, which limits the output so that it fits within a 5 or 10V range.
● Tiny for high density systems
● Precision on one supply
● Fast over eight decades
● Fully-tested function
● Stabile over temperature
● Green product and no Sb/Br
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Burr Brown
Single-Supply, High-Speed, Precision LOGARITHMIC AMPLIFIER
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