Input Offset Voltage of MOS Differential Amplifier when Aspect Ratio Mismatches Calculator

✖Effective voltage or overdrive voltage is excess of voltage across oxide over thermal voltage is termed.ⓘ Effective Voltage [V_ov]			+10% -10%
✖Aspect Ratio is the ratio of the width of the channel to the length of the channel.ⓘ Aspect Ratio [WL]			+10% -10%
✖Aspect Ratio 1 is the ratio of the width of the channel to the length of the channel.ⓘ Aspect Ratio 1 [WL₁]			+10% -10%

✖Input offset voltage is the voltage that must be applied between the two input terminals of the op-amp to obtain zero volts at the output.ⓘ Input Offset Voltage of MOS Differential Amplifier when Aspect Ratio Mismatches [V_os]

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Input Offset Voltage of MOS Differential Amplifier when Aspect Ratio Mismatches Solution

STEP 0: Pre-Calculation Summary

Formula Used

Input Offset Voltage = (Effective Voltage/2)*(Aspect Ratio/Aspect Ratio 1)
V_os = (V_ov/2)*(WL/WL₁)
This formula uses 4 Variables

Variables Used

Input Offset Voltage - (Measured in Volt) - Input offset voltage is the voltage that must be applied between the two input terminals of the op-amp to obtain zero volts at the output.
Effective Voltage - (Measured in Volt) - Effective voltage or overdrive voltage is excess of voltage across oxide over thermal voltage is termed.
Aspect Ratio - Aspect Ratio is the ratio of the width of the channel to the length of the channel.
Aspect Ratio 1 - Aspect Ratio 1 is the ratio of the width of the channel to the length of the channel.

STEP 1: Convert Input(s) to Base Unit

Effective Voltage: 2.5 Volt --> 2.5 Volt No Conversion Required
Aspect Ratio: 5 --> No Conversion Required
Aspect Ratio 1: 1.77 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

V_os = (V_ov/2)*(WL/WL₁) --> (2.5/2)*(5/1.77)

Evaluating ... ...

V_os = 3.53107344632768

STEP 3: Convert Result to Output's Unit

3.53107344632768 Volt --> No Conversion Required

FINAL ANSWER

3.53107344632768 ≈ 3.531073 Volt <-- Input Offset Voltage

(Calculation completed in 00.004 seconds)

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< Differential Configuration Calculators

Minimum Input Common-Mode Range of MOS Differential Amplifier

LaTeX Go Common-Mode Range = Threshold Voltage+Effective Voltage+Voltage between Gate and Source-Load Voltage

Maximum Input Common-Mode Range of MOS Differential Amplifier

LaTeX Go Common-Mode Range = Threshold Voltage+Load Voltage-(1/2*Load Resistance)

Input Voltage of MOS Differential Amplifier on Small-Signal Operation

LaTeX Go Input Voltage = Common-Mode DC Voltage+(1/2*Differential Input Signal)

Input Offset Voltage of MOS Differential Amplifier

LaTeX Go Input Offset Voltage = Output DC Offset Voltage/Differential Gain

Input Offset Voltage of MOS Differential Amplifier when Aspect Ratio Mismatches Formula

LaTeX Go

Input Offset Voltage = (Effective Voltage/2)*(Aspect Ratio/Aspect Ratio 1)
V_os = (V_ov/2)*(WL/WL₁)

Why is input offset voltage important?

When used in amplifiers of sensors, etc., the input offset voltage of op-amp results in an error of sensor detection sensitivity. To keep sensing errors below a specified tolerance level, it is necessary to select an op-amp with low input offset voltage.

How to Calculate Input Offset Voltage of MOS Differential Amplifier when Aspect Ratio Mismatches?

Input Offset Voltage of MOS Differential Amplifier when Aspect Ratio Mismatches calculator uses Input Offset Voltage = (Effective Voltage/2)*(Aspect Ratio/Aspect Ratio 1) to calculate the Input Offset Voltage, The Input Offset Voltage of MOS Differential Amplifier when aspect ratio mismatches formula is defined as the voltage that must be applied between the two input terminals of the op-amp to obtain zero volts at the output. Ideally, the output of the op-amp should be at zero volts when the inputs are grounded. In reality, the input terminals are at slightly different dc potentials. Input Offset Voltage is denoted by V_os symbol.

How to calculate Input Offset Voltage of MOS Differential Amplifier when Aspect Ratio Mismatches using this online calculator? To use this online calculator for Input Offset Voltage of MOS Differential Amplifier when Aspect Ratio Mismatches, enter Effective Voltage (V_ov), Aspect Ratio (WL) & Aspect Ratio 1 (WL₁) and hit the calculate button. Here is how the Input Offset Voltage of MOS Differential Amplifier when Aspect Ratio Mismatches calculation can be explained with given input values -> 1.223092 = (2.5/2)*(5/1.77).

FAQ

What is Input Offset Voltage of MOS Differential Amplifier when Aspect Ratio Mismatches?

The Input Offset Voltage of MOS Differential Amplifier when aspect ratio mismatches formula is defined as the voltage that must be applied between the two input terminals of the op-amp to obtain zero volts at the output. Ideally, the output of the op-amp should be at zero volts when the inputs are grounded. In reality, the input terminals are at slightly different dc potentials and is represented as V_os = (V_ov/2)*(WL/WL₁) or Input Offset Voltage = (Effective Voltage/2)*(Aspect Ratio/Aspect Ratio 1). Effective voltage or overdrive voltage is excess of voltage across oxide over thermal voltage is termed, Aspect Ratio is the ratio of the width of the channel to the length of the channel & Aspect Ratio 1 is the ratio of the width of the channel to the length of the channel.

How to calculate Input Offset Voltage of MOS Differential Amplifier when Aspect Ratio Mismatches?

The Input Offset Voltage of MOS Differential Amplifier when aspect ratio mismatches formula is defined as the voltage that must be applied between the two input terminals of the op-amp to obtain zero volts at the output. Ideally, the output of the op-amp should be at zero volts when the inputs are grounded. In reality, the input terminals are at slightly different dc potentials is calculated using Input Offset Voltage = (Effective Voltage/2)*(Aspect Ratio/Aspect Ratio 1). To calculate Input Offset Voltage of MOS Differential Amplifier when Aspect Ratio Mismatches, you need Effective Voltage (V_ov), Aspect Ratio (WL) & Aspect Ratio 1 (WL₁). With our tool, you need to enter the respective value for Effective Voltage, Aspect Ratio & Aspect Ratio 1 and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Input Offset Voltage?

In this formula, Input Offset Voltage uses Effective Voltage, Aspect Ratio & Aspect Ratio 1. We can use 3 other way(s) to calculate the same, which is/are as follows -

Input Offset Voltage = Output DC Offset Voltage/Differential Gain
Input Offset Voltage = Threshold Voltage*(Saturation Current for DC/Saturation Current)
Input Offset Voltage = sqrt((Change in Collector Resistance/Collector Resistance)^2+(Saturation Current for DC/Saturation Current)^2)

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