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VSD Intern - DAC IP design using Sky130 PDKs - Part 1
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VSD Intern - DAC IP design using Sky130 PDKs - Part 1

Overview of DAC Theory, Circuit and project flow
Last updated 5/2021
English

What you'll learn

  • Overview of DAC
  • Background and Principle of Operation
  • Implementation Aspects and Challenges
  • Evaluation Parameters
  • Expected Input Output Characteristics

Course content

5 sections17 lectures1h 44m total length
  • Introduction To DAC Project And Applications4:44

    Introduction to a DAC IP design using Sky130 PDKs and open source tools, covering specs, deck, and the analog-to-digital processing path from input to output.

  • Background And Principle Of Operation2:46

    Analyze how binary digital input and switches feed a network with a voltage reference to set an analog output from zero to full-scale, illustrating ideal versus practical, stepwise dac responses.

  • Reference Voltage Resolution And Linearity Aspects Of DAC4:27
  • Monotonicity, Settling Time And Speed Of DAC4:02

Requirements

  • VSD - Circuit Design and SPICE simulations
  • VSD - Custom Layout
  • VSD Intern - Bandgap IP Design

Description

The webinar aims to design a 10-bit potentiometric Digital to Analog Converter using end-to-end Open-source EDA tools. The target is to design 10-bit potentiometric DAC with 3.3v analog voltage, 1.8v digital voltage and 1 off-chip external voltage reference using sky130nm technology node.

In real world, most of the data available is in the form of analog in nature. We have two types of converters analog to digital converter and digital to analog converter. These two converting interfaces are essential to obtain the required operations of a processor to manipulate the data of digital electronic equipment and an analog electric equipment. Digital to Analog Converter (DAC) is a device that transforms digital data into an analog signal in order to interact with the real world. The digital signal is represented with a binary code, which is a combination of bits 0’s and 1’s. The digital data can be produced from a microprocessor, Field Programmable Gate Array (FPGA), or Application Specified Integrated Circuit (ASIC). There are two commonly used DAC conversions – Weighed resistors method and R-2R ladder network method. Applications of a DAC: audio amplifier, video encoder, display electronics, data acquisition systems, calibration, Digital potentiometer.

This webinar will cover

1) Overview of DAC

  • Why DAC?

  • Background and Principle of Operation.

  • Implementation Aspects and Challenges.

  • Evaluation Parameters.

2) Project Design Specs and DAC Circuit

  • Circuit Behaviour

  • Expected Input Output Characteristics.

3) Project Flow –Analog IP – Hands-on

  • Flow of Steps for Analog IP design.

  • Tools Required

  • Setup of Tools

  • Libraries Required

  • e) Setup and linking Libraries.

All the best and happy learning

Who this course is for:

  • Curious freshers looking to enter into analog and mixed-signal VLSI design
  • Beginner or Professional Physical Design Engineers looking to know more about IPs and Macros