MAX5128(2006) Просмотр технического описания (PDF) - Maxim Integrated

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MAX5128
(Rev.:2006)

128-Tap, Nonvolatile, Linear-Taper Digital Potentiometer in 2mm x 2mm µDFN Package

Maxim Integrated 

128-Tap, Nonvolatile, Linear-Taper Digital

Potentiometer in 2mm x 2mm µDFN Package

ELECTRICAL CHARACTERISTICS (continued)

(VCC = +2.7V to +5.25V, H = VCC, L = GND, TA = -40°C to +85°C. Typical values are at VCC = +5.0V, TA = +25°C, unless otherwise noted.)

(Note 1)

PARAMETER

SYMBOL

NONVOLATILE MEMORY RELIABILITY

Data Retention

Endurance

POWER SUPPLY

Supply Voltage

VCC

Average Programming Current

IPG

CONDITIONS

TA = +85°C

TA = +25°C

TA = +85°C

During nonvolatile write only;

digital inputs = VCC or GND

MIN TYP MAX UNITS

50

80,000

50,000

Years

Stores

2.70

5.25

V

220

400

µA

Peak Programming Current

Standby Current

IPK

During nonvolatile write only;

digital inputs = VCC or GND

ICC

Digital inputs = VCC or GND, TA = +25°C

4

mA

0.5

1.5

µA

TIMING CHARACTERISTICS

(VCC = +2.7V to +5.25V, H = VCC, L = GND, TA = -40°C to +85°C. Typical values are at VCC = +5.0V, TA = +25°C, unless otherwise noted.)

(See Figures 1, 2, 3, and 4).

PARAMETER

ANALOG SECTION

Wiper Settling Time

DIGITAL SECTION

UP or DN Pulse-Width High

UP or DN Pulse-Width Low

UP or DN Glitch Immunity

UP Fall to DN Rise Setup or DN

Fall to UP Rise Setup

SYMBOL

tS

(Note 7)

tPWH

tPWL

tIMMU

tMS1

CONDITIONS

MIN TYP MAX UNITS

500

ns

80

ns

80

ns

20

ns

80

ns

Before Entering NVM-Write

Mode, UP Fall to UP Rise

tMS2

80

ns

UP Rise to DN Rise Setup when

Entering NVM-Write

tWS

80

ns

UP Fall to DN Fall Hold or DN Fall

to UP Fall Hold during NVM-

tWH

Write

0

ns

_______________________________________________________________________________________ 3

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