KGA4133

www.DataSheet4U.com PEDAKGA4133-01 1 Electronic Components Preliminary KGA4133 This version: Dec. 2001 12.5 Gbps Transimpedance Amplifier IC DESCRIPTION Oki’s 12.5 Gbps transimpedance amplifier is fabricated 0.1 µm gate length P-HEMTs for high-speed optical communication. The IC has a high overload and a wide band width. FEATURES Transimpedance : 500Ω Sensitvity : < –18 dBm Overload : > +5 dBm Broadband Amplifier : > 10 GHz Low Noise Current : < 10 pA/√Hz Group Delay : < ±20 ps +3.3 V and –2 V Power Supply FUNCTION DIAGRAM Vdd IN OUT Vss ABSOLUTE MAXIMUM RATINGS (Ta = 25°C) Parameters Supply Voltage Supply Voltage Input Current Storage Temperature Range Symbol Vdd Vss I(IN) TST Units V V mA °C Rating 0 to +5 –5 to 0 6 –40 to 125 RECOMMENDED OPERATING CONDITIONS (Ta = 25°C) Parameters Supply Voltage Supply Voltage Symbol Vdd Vss Units V V Min. +3.14 –2.1 Typ. +3.3 –2 Max. +3.46 –1.9 1/4 www.DataSheet4U.com PEDAKGA4133-01 1 Electronic Components KGA4133 ELECTRICAL CHARACTERISTICS (Ta = 25°C, Vdd = +3.3 V, VSS = –2 V, C(diode)+C(stray) = 0.20 pF) Parameters Transimpedance (I(IN)<450 µA) Bandwidth (–3 dB) Transimpedance Flatness (300 kHz to 6 GHz) Equivalent Input Noise Current Optical Sensitivity Optical Overload Input Offset Voltage Group Delay Output Return Loss (<10 GHz) Power Consumption Operating Temperature Range *3) *1) *2) *2) Units Ω GHz dBΩ pA/√Hz dBm dBm V ps dB W °C Min. — 10 — — — — — — — — 0 Typ. 500 10.5 — 9.5 –18 +5 +0.16 — — 0.22 —...