A fully integrated low noise CMOS instrumentation amplifier design for low-power biosensors

Author(s):  
Vighnesh Rudra Das ◽  
Donald Y.C. Lie ◽  
Tam Nguyen
2008 ◽  
Vol 51 (2) ◽  
pp. 494-496
Author(s):  
Hee-Sauk Jhon ◽  
Ickhyun Song ◽  
Jongwook Jeon ◽  
MinSuk Koo ◽  
Byung-Gook Park ◽  
...  

2015 ◽  
Vol 63 (6) ◽  
pp. 1910-1922 ◽  
Author(s):  
David Fritsche ◽  
Gregor Tretter ◽  
Corrado Carta ◽  
Frank Ellinger

Author(s):  
Fahmi Elsayed ◽  
◽  
Mostafa Rashdan ◽  
Mohammad Salman

This paper presents a fully integrated CMOS Operational Floating Current Conveyor (OFCC) circuit. The proposed circuit is designed for instrumentation amplifier circuits. The CMOS OFCC circuit is designed and simulated using Cadence in TSMC 90 m technology kit. The circuit aims at two different design goals. The first goal is to design a low power consumption circuit (LBW design) while the second is to design a high bandwidth circuit (HBW design). The total power consumption of the LBW design is 1.26 mW with 30 MHz bandwidth while the power consumption of the HBW design is 3 mW with 104.6 MHz bandwidth.


2018 ◽  
Vol 27 (10) ◽  
pp. 1850157
Author(s):  
Tao Yin ◽  
Guocheng Huang ◽  
Xiaodong Xu ◽  
Yachao Zhang ◽  
Xinxia Cai ◽  
...  

This paper presents a low-power low-noise instrumentation amplifier (IA) for bio-potential recording. The proposed IA is based on a novel Gm-RSC structure, whose gain is determined by the transconductance (Gm) and the equivalent resistance ([Formula: see text]) of the switched-capacitor (SC) load. The transconductance amplifier stage is based on the current-reuse telescope topology to achieve low noise at low-power dissipation. A resistor-controlled oscillator is designed to generate desirable operational frequency for SC load and to continuously tune the mid-band gain of the IA for different biomedical applications. Measurement results show that the input referred noise of the proposed IA is about 1.27[Formula: see text][Formula: see text]VRMS ([Formula: see text][Formula: see text]Hz) and the noise efficiency factor is 3.3. The range of tunable gain is from 28 to 40[Formula: see text]dB. The common mode rejection ratio and power supply rejection ratio at 50[Formula: see text]Hz are 72 and 78[Formula: see text]dB, respectively. The IA consumes only 660[Formula: see text]nA current at 1.2[Formula: see text]V supply and the active area of the IA is only 0.035[Formula: see text]mm2.


Sign in / Sign up

Export Citation Format

Share Document