MCP4011 데이터 시트보기 (PDF) - Microchip Technology

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MCP4011

Low-Cost 64-Step Volatile Digital POT

Microchip Technology 

MCP4011/2/3/4

CS

tLUC

U/D

tLCUR

W

tCSLO

1/fUD

tHI

tLO

tS

tCSHI

tLUC

tLCUF

tS

FIGURE 1-2:

Decrement 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 to CS Hold Time

tLUC

500

—

750

—

CS to U/D Low Setup Time

CS to U/D High Setup Time

U/D High Time

U/D Low Time

Up/Down Toggle Frequency

Wiper Settling Time

tLCUF

500

—

tLCUR

3

—

tHI

500

—

tLO

500

—

fUD

—

—

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 2.7V ≤ VDD ≤ 5.5V

—

ns 1.8V ≤ VDD < 2.7V

—

ns

—

µs

—

ns

—

ns

1

MHz

—

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

© 2006 Microchip Technology Inc.

DS21978C-page 7

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