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Número de pieza

componentes Descripción

Fabricante

MCP4011

Low-Cost 64-Step Volatile Digital POT

Microchip Technology 

MCP4011/2/3/4

12V

CS

5V

tHUC

U/D

W

tCSLO

tHCUF

tLO

1/fUD

tHCUR

tHI

tS

tCSHI

tHUC tHCUF

tS

FIGURE 1-3:

High-Voltage Increment Timing Waveform.

SERIAL TIMING CHARACTERISTICS

Electrical Specifications: Unless otherwise noted, all parameters apply across the specified operating ranges.

Extended (E): VDD = +1.8V to 5.5V, TA = -40°C to +125°C.

Parameters

Sym Min Typ Max Units

Conditions

CS Low Time

CS High Time

tCSLO

5

—

tCSHI

500

—

—

—

U/D High Time

tHI

500

—

U/D Low Time

tLO

500

—

Up/Down Toggle Frequency

fUD

—

—

HV U/D to CS Hold Time

tHUC

1.5

—

HV CS to U/D Low Setup Time tHCUF

8

—

HV CS to U/D High Setup Time tHCUR

4.5

—

Wiper Settling Time

tS

0.5

—

1

—

2

—

10

5

Wiper Response on Power-up

tPU

—

200

—

µs

—

ns 2.7V ≤ VDD ≤ 5.5V

—

ns 1.8V ≤ VDD < 2.7V

—

ns

—

ns

1

MHz

—

µs

—

µs

—

µs

—

µs 2.1 kΩ, CL = 100 pF

—

µs 5 kΩ, CL = 100 pF

—

µs 10 kΩ, CL = 100 pF

—

µs 50 kΩ, CL = 100 pF

—

ns

DS21978C-page 8

© 2006 Microchip Technology Inc.

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