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

被引:4
|
作者
Tsuchiya, Akira [1 ]
Hiratsuka, Akitaka [2 ]
Tanaka, Kenji [3 ]
Fukuyama, Hiroyuki [3 ]
Miura, Naoki [3 ]
Nosaka, Hideyuki [3 ]
Onodera, Hidetoshi [2 ]
机构
[1] Univ Shiga Prefecture, Dept Elect Syst Engn, Hikone, Shiga, Japan
[2] Kyoto Univ, Dept Commun & Comp Engn, Kyoto, Japan
[3] NTT Corp, NTT Device Technol Labs, Atsugi, Kanagawa, Japan
关键词
optical communication; transimpedance amplifier; inductive peaking;
D O I
10.1109/SOCC46988.2019.1570548520
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
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 hit. Based on the bandwidth and energy per hit 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 dB Omega 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 mm(2) though three inductors are used.
引用
收藏
页码:150 / 154
页数:5
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