MCP631_14 datasheet(4/60 Pages) MICROCHIP

Part #	MCP631

Description	Unity-Gain Stable

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Manufacturer	MICROCHIP [Microchip Technology]

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MCP631/2/3/4/5/9

DS20002197C-page 4

 2009-2014 Microchip Technology Inc.

AC ELECTRICAL SPECIFICATIONS

Electrical Characteristics: Unless otherwise indicated, TA =+25°C, VDD = +2.5V to +5.5V, VSS =GND, VCM =VDD/2,

VOUT  VDD/2, VL =VDD/2, RL =2 k to VL, CL = 50 pF and CS =VSS (refer to Figure 1-2).

Parameters

Sym.

Min.

Typ.

Max.

Units

Conditions

AC Response

Gain-Bandwidth Product

GBWP

—

24

—

MHz

Phase Margin

PM

—

65

—

°

G = +1

Open-Loop Output Impedance

ROUT

—20

—



AC Distortion

Total Harmonic Distortion plus Noise

THD + N

—

0.0015

—

%

G = +1, VOUT =2VP-P, f = 1 kHz,

VDD =5.5V, BW = 80kHz

Step Response

Rise Time, 10% to 90%

tr

—20

—

ns

G = +1, VOUT = 100 mVP-P

Slew Rate

SR

—

10

—

V/µs

G = +1

Noise

Input Noise Voltage

Eni

—16

—

µVP-P f = 0.1 Hz to 10 Hz

Input Noise Voltage Density

eni

—10

—

nV/

Hz f = 1 MHz

Input Noise Current Density

ini

4—

fA/

Hz f = 1 kHz

DIGITAL ELECTRICAL SPECIFICATIONS

Electrical Characteristics: Unless otherwise indicated, TA =+25°C, VDD = +2.5V to +5.5V, VSS = GND, VCM =VDD/2,

VOUT  VDD/2, VL =VDD/2, RL =2 k to VL, CL = 50 pF and CS =VSS (refer to Figures 1-1 and 1-2).

Parameters

Sym.

Min.

Typ.

Max. Units

Conditions

CS Low Specifications

CS Logic Threshold, Low

VIL

VSS

—0.2VDD

V

CS Input Current, Low

ICSL

—0.1

—

nA

CS =0V

CS High Specifications

CS Logic Threshold, High

VIH

0.8VDD

VDD

V

CS Input Current, High

ICSH

—0.7

—

µA

CS =VDD

GND Current

ISS

-2

-1

—µA

CS Internal Pull-Down Resistor

RPD

—5

—

M



Amplifier Output Leakage

IO(LEAK)

—50—

nA

CS =VDD, TA = +125°C

CS Dynamic Specifications

CS Input Hysteresis

VHYST

—

0.25

—

V

CS High to Amplifier Off Time

(output goes High Z)

tOFF

—

200

—

ns

G = +1 V/V, VL =VSS,

CS =0.8VDD to VOUT =0.1(VDD/2)

CS Low to Amplifier On Time

tON

—2

10

µs

G= +1 V/V, VL =VSS,

CS =0.2VDD to VOUT =0.9(VDD/2)

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