MCP6071-ESLASHST datasheet(5/34 Pages) MICROCHIP

部品番号	MCP6071-E/ST

部品情報	110 關A, High Precision Op Amps

PDF	34 Pages

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メーカー	MICROCHIP [Microchip Technology]

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5 / 34 page

DS22142A-page 5

MCP6071/2/4

1.3

Test Circuits

The circuit used for most DC and AC tests is shown in

Figure 1-1. This circuit can independently set VCM and

VOUT; see Equation 1-1. Note that VCM is not the

circuit’s common mode voltage ((VP +VM)/2), and that

VOST includes VOS plus the effects (on the input offset

error, VOST) of temperature, CMRR, PSRR and AOL.

EQUATION 1-1:

FIGURE 1-1:

AC and DC Test Circuit for

Most Specifications.

F RG

⁄

DD 2

⁄

() 2

⁄

OUT

DD 2

⁄

()

–

() V

OST 1

()

Where:

GDM = Differential Mode Gain

(V/V)

VCM = Op Amp’s Common Mode

Input Voltage

(V)

VOST = Op Amp’s Total Input Offset

Voltage

(mV)

OST

IN–

IN+

–

VDD

MCP607X

VOUT

CB2

CB1

100 k

VDD/2

100 k

60 pF

10 k

1µF

100 nF

VIN–

VIN+

6.8 pF

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