Re-thinking analog integrated circuits in digital terms: A new design concept for the IoT era
A steady trend towards the design of mostly-digital and digital-friendly analog circuits,
suitable to integration in mainstream nanoscale CMOS by a highly automated design flow …
suitable to integration in mainstream nanoscale CMOS by a highly automated design flow …
Design of digital OTAs with operation down to 0.3 V and nW power for direct harvesting
In this paper, passive-less fully-digital operational transconductance amplifiers (DIGOTA) for
energy-and area-constrained systems are modeled and analyzed from a design viewpoint …
energy-and area-constrained systems are modeled and analyzed from a design viewpoint …
Fully Digital Rail-to-Rail OTA With Sub-1000-μm² Area, 250-mV Minimum Supply, and nW Power at 150-pF Load in 180 nm
A fully digital operational transconductance amplifier (DIGOTA) architecture for tightly energy-
constrained low-cost systems is presented. A 180-nm DIGOTA testchip exhibits an area …
constrained low-cost systems is presented. A 180-nm DIGOTA testchip exhibits an area …
A 300mV-supply, sub-nW-power digital-based operational transconductance amplifier
An ultra-low voltage and ultra-low power Digital-Based Operational Transconductance
Amplifier (DB-OTA) is presented and demonstrated on silicon in 180 nm CMOS. The DB …
Amplifier (DB-OTA) is presented and demonstrated on silicon in 180 nm CMOS. The DB …
Low-voltage, low-area, nW-power CMOS digital-based biosignal amplifier
This paper presents the operation principle and the silicon characterization of a power
efficient ultra-low voltage and ultra-low area fully-differential, digital-based Operational …
efficient ultra-low voltage and ultra-low area fully-differential, digital-based Operational …
A 0.3 V, rail-to-rail, ultralow-power, non-tailed, body-driven, sub-threshold amplifier
A novel, inverter-based, fully differential, body-driven, rail-to-rail, input stage topology is
proposed in this paper. The input stage exploits a replica bias control loop to set the …
proposed in this paper. The input stage exploits a replica bias control loop to set the …
A 0.3 V rail-to-rail ultra-low-power OTA with improved bandwidth and slew rate
In this paper, we present a novel operational transconductance amplifier (OTA) topology
based on a dual-path body-driven input stage that exploits a body-driven current mirror …
based on a dual-path body-driven input stage that exploits a body-driven current mirror …
A novel Digital OTA topology with 66-dB DC Gain and 12.3-kHz Bandwidth
This brief introduces an enhanced digital OTA topology which allows increasing the DC gain
thanks to the adoption of an inverter-based output stage. Moreover, a new equivalent small …
thanks to the adoption of an inverter-based output stage. Moreover, a new equivalent small …
Dynamic and static calibration of ultra-low-voltage, digital-based operational transconductance amplifiers
The calibration of the effects of process variations and device mismatch in Ultra Low Voltage
(ULV) Digital-Based Operational Transconductance Amplifiers (DB-OTAs) is addressed in …
(ULV) Digital-Based Operational Transconductance Amplifiers (DB-OTAs) is addressed in …
An investigation of the operating principles and power consumption of digital-based analog amplifiers
A Richelli, P Faustini, A Rosa, L Colalongo - Journal of Low Power …, 2023 - mdpi.com
Digital-based differential amplifiers (DDA) are particularly suitable to low voltage digital
integrated circuit technologies. This paper presents an exhaustive analysis of digital-based …
integrated circuit technologies. This paper presents an exhaustive analysis of digital-based …