MCP6281 datasheet(4/32 Pages) MICROCHIP

4 / 32 page

MCP6281/2/3/4/5

DS21811D-page 4

 2004 Microchip Technology Inc.

MCP6283/MCP6285 CHIP SELECT (CS) SPECIFICATIONS

FIGURE 1-1:

Timing Diagram for the

Chip Select (CS) pin on the MCP6283 and

MCP6285.

Electrical Characteristics: Unless otherwise indicated, TA = +25°C, VDD = +2.2V to +5.5V, VSS = GND,

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

Parameters

Sym

Min

Typ

Max

Units

Conditions

CS Low Specifications

CS Logic Threshold, Low

VIL

VSS

—0.2 VDD

CS Input Current, Low

ICSL

—0.01—

µA

CS = VSS

CS High Specifications

CS Logic Threshold, High

VIH

0.8 VDD

—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 V

DD, 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 V

DD, G = +1 V/V,

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

Hysteresis

VHYST

—0.6

—

VDD = 5V

Note

The input condition (VIN) specified applies to both op amp A and B of the MCP6285. The dynamic specification is tested

at the output of op amp B (VOUTB).

VIL

Hi-Z

tON

VIH

tOFF

VOUT

-0.7 µA (typ.)

Hi-Z

ISS

ICS

0.7 µA (typ.)

-0.7 µA (typ.)

-450 µA (typ.)

10 nA (typ.)

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