MCP6213 datasheet(7/68 Pages) MICROCHIP

Nome de Peças	MCP6213

Descrição Electrónicos	20 MHz, 200 μV Op Amps with mCal

PDF	68 Pages

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Fabricante Electrônico	MICROCHIP [Microchip Technology]

Página de início	http://www.microchip.com

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DS20002188E-page 7

MCP621/1S/2/3/4/5/9

1.4

Test Circuits

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

Figure 1-2. 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 1-2:

AC and DC Test Circuit for

Most Specifications.

GDM

RF RG



VCM

VP VDD 2



 2



VOUT

VDD 2





VP VM

–

 V

OST 1GDM



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)

VOST

VIN– VIN+

–

VDD

VOUT

CB2

CB1

10 k



10 k



VDD/2

10 k



10 k



50 pF



2.2 µF

100 nF

VIN–

VIN+

6.8 pF

MCP62X

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