Transimpedance Amplifier (TIA) MMICs are electronic components used in high-speed communication systems for converting optical signals to electrical signals. They are used in optical communication systems such as fiber-optic communication networks, high-speed data links, and optical sensing applications.
A transimpedance amplifier converts a small electrical current, which is generated by a photodiode in response to an optical signal, into a voltage output signal. The TIA MMIC typically consists of a high-speed amplifier, feedback resistor, and photodiode biasing circuit.
TIA MMICs are designed to provide high-gain and low-noise performance, as well as high bandwidth, in order to maintain the fidelity of the received optical signal. They also provide high input impedance to minimize the effect of loading on the photodiode, which can degrade the signal quality.
TIA MMICs are available in various configurations, including single-stage and multi-stage amplifiers, and they can be designed to operate at different wavelengths, such as 850 nm, 1310 nm, and 1550 nm. Some TIAs may also include automatic gain control (AGC) circuitry to maintain a constant output level over a wide range of input optical power levels.
|FUNCTION||DATA RATE (Gb/s)||DIFF GAIN (dBΩ)||INPUT OVER-LOAD (mApp)||ON CHIP AGC||CURRENT (mA)||POWER SUPPLY (V)||PACKAGE|
|Differential Output TIA||2.5||76||2.5||Yes||45||+3.3||Die|
|Differential Output TIA||10||72||2.0||Yes||70||+5.0||Die|
|Differential Output TIA||10.7||72||2.5||Yes||70||+5.0||Die|
|Differential Output TIA||10.7||74||2.5||Yes||83||+5.0||Die|