MCP6271 datasheet(4/34 Pages) MICROCHIP

4 / 34 page

MCP6271/1R/2/3/4/5

DS21810E-page 4

MCP6273/MCP6275 CHIP SELECT (CS) SPECIFICATIONS

FIGURE 1-1:

Timing Diagram for the

Chip Select (CS) pin on the MCP6273 and

MCP6275.

Electrical Characteristics: Unless otherwise indicated, TA = +25°C, VDD = +2.0V to +5.5V, VSS =GND,

VCM =VDD/2, VOUT ≈ VDD/2, RL =10kΩ to VDD/2, CL = 60 pF and and CS is tied low.

Parameters

Sym

Min

Typ

Max

Units

Conditions

CS Low Specifications

CS Logic Threshold, Low

VIL

VSS

—0.2VDD

CS Input Current, Low

ICSL

—0.01—

µA

CS = VSS

CS High Specifications

CS Logic Threshold, High

VIH

0.8VDD

—VDD

CS Input Current, High

ICSH

—0.7

µA

CS = VDD

GND Current per Amplifier

ISS

—

–0.7

—

µA

CS = VDD

Amplifier Output Leakage

—

0.01

—

µA

CS = VDD

Dynamic Specifications (Note 1)

CS Low to Valid Amplifier

Output, Turn on Time

tON

—4

µs

CS Low

≤ 0.2 VDD, G = +1 V/V,

VIN = VDD/2, VOUT = 0.9 VDD/2,

VDD = 5.0V

CS High to Amplifier Output

High-Z

tOFF

—0.01—

µs

CS High

≥ 0.8 VDD, G = +1 V/V,

VIN = VDD/2, VOUT = 0.1 VDD/2

Hysteresis

VHYST

—0.6

—

VDD = 5V

Note 1: The input condition (VIN) specified applies to both op amp A and B of the MCP6275. The dynamic

specification is tested at the output of op amp B (VOUTB).

VIL

High-Z

tON

VIH

tOFF

VOUT

-0.7 µA (typ.)

High-Z

ISS

ICS

0.7 µA (typ.)

-0.7 µA (typ.)

-170 µA (typ.)

10 nA (typ.)

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