VSD Intern - Analog Bandgap Reference design using Sky130
Loại khoá học: Design Tools
LIVE labs BGR Circuit design and layout using Sky130 PDKs
Mô tả
This webinar provides detail about General Purpose Bandgap Reference. The basic working principle of Bandgap reference circuits is explained . The circuit implementation is discussed and the issues with each implementation style is mentioned. Index Terms—Bandgap Reference, CTAT, PTAT, Current mirror, OpAmp.
A Bandgap Reference is a circuit which gives a constant voltage output Vref irrespective of temperature, process and supply voltage variations. It is an especially important component of several analog and mixed signal Integrated Circuits. Several circuits such as LDO, ADC, DAC, Buck convertor. use Bandgap reference as a building block. It provides a constant output reference voltage of 1.2V which is proportional to the Bandgap energy of Silicon(1.2eV)at 0K and hence, gets its name as Bandgap Reference circuit
For detailed information regarding the Bandgap Reference circuit, refer to VLSI System Design website. Below are the details we will be covering in this webinar
Performance parameters and Circuit implementation of Bandgap Reference IP
Block Diagram and Schematic
Steps to download tools on your System
Pre-Layout Simulation of Bandgap Reference IP circuit using Ngspice
Vbgp v/s Temperature [ -40C - 140C] @ RL = 100M ohms plot
Vbgp v/s VDD [ 2V - 4V] @ RL = 100M ohms plot
Temperature Coefficient of Vbgp v/s Temperature [ -40C - 140C] @ RL = 100M ohms plot
Voltage Coefficient of Vbgp v/s VDD [ 2V - 4V] @ RL = 100M ohms plot
Start-Up Time of Vbgp @ RL = 100M ohms plot
On-Off-Current of Vbgp wrt Enable @ RL = 100M ohms plot
BGR Layout using Magic
Hope you enjoy the webinar
Bạn sẽ học được gì
Basics of analog VLSI design
General purpose bandgap reference design using Sky130
Circuit design and layout concepts using Sky130
Yêu cầu
- VSD - Circuit design and SPICE simulations
- VSD - Custom Layout
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