Warrick Lo

Two-Stage CMOS Operational Amplifer Design with the SKY130 PDK

Analog Design SKY130 Draft
Schematic of the operational amplifier circuit.
Figure 1. Schematic of the operational amplifier circuit.

An operational amplifier designed for the SkyWater 130 nm process.

Table 1. Performance overview.
Parameter Specification Achieved
Supply voltage 1.8 V 1.8 V
Reference voltage 0 V 0 V
Input common-mode voltage 0.9 V 0.9 V
Output common-mode voltage 0.9 V 0.898 V
Power consumption ≤ 0.4 mW 282.2 μW
Differential output swing ≥ 1.2 V ?
Low-frequency differential gain ≥ 46 dB 50.48 dB
Small-signal unity gain frequency ≥ 60 MHz 66.2 MHz
Phase margin ≥ 60° & ≤ 90° 75.2°
Slew rate ≥ 20 V/μs 75.8 V/μs

Project Report

Open report in new tab

This page is a draft.