A 45 Gb/s, 98 fJ/bit, 0.02 mm2 Transimpedance Amplifier with Peaking-Dedicated Inductor in 65-nm CMOS

This paper demonstrates a small area, high speed and low power CMOS transimpedance amplifier (TIA) for optical communication. To determine design parameters of multi-stage inverter-type TIA (INV-TIA) with peaking inductors, we derive a simplified model of the bandwidth and the energy per bit. Based on the bandwidth and energy per bit estimation, we designed a 5-stage INV-TIA and on-chip inductors for inductive peaking. The TIA is fabricated in a 65-nm CMOS and it operates at 45 Gb/s with 49 dBO transimpedance gain and 4.4 mW power consumption. The TIA achieves 98 fJ/bit energy efficiency. Small footprint design of inductors realizes the area of 0.02 mm2 though three inductors are used.

[1]  Shen-Iuan Liu,et al.  CMOS wideband amplifiers using multiple inductive-series peaking technique , 2005, IEEE Journal of Solid-State Circuits.

[2]  Jun-De Jin,et al.  A Miniaturized 70-GHz Broadband Amplifier in 0.13- m CMOS Technology , 2008 .

[3]  Joohwa Kim,et al.  A 40-Gb/s Optical Transceiver Front-End in 45 nm SOI CMOS , 2012, IEEE Journal of Solid-State Circuits.

[4]  Sung Min Park,et al.  A 50-Gb/s differential transimpedance amplifier in 65nm CMOS technology , 2014, 2014 IEEE Asian Solid-State Circuits Conference (A-SSCC).

[5]  Thomas H. Lee,et al.  The Design of CMOS Radio-Frequency Integrated Circuits: RF CIRCUITS THROUGH THE AGES , 2003 .

[6]  Yoichi Koyanagi,et al.  22.2 A 25Gb/s hybrid integrated silicon photonic transceiver in 28nm CMOS and SOI , 2015, 2015 IEEE International Solid-State Circuits Conference - (ISSCC) Digest of Technical Papers.

[7]  Hau-Yiu Tsui,et al.  An on-chip vertical solenoid inductor design for multigigahertz CMOS RFIC , 2005, IEEE Transactions on Microwave Theory and Techniques.

[8]  Calvin Plett,et al.  A 40 Gb/s transimpedance amplifier in 65 nm CMOS , 2010, Proceedings of 2010 IEEE International Symposium on Circuits and Systems.

[9]  Tanaka Shinsuke,et al.  A 25Gb/s Hybrid Integrated Silicon Photonic Transceiver in 28nm CMOS and SOI , 2015 .