MAX5432 datasheet(3/17 Pages) MAXIM

3 / 17 page

32-Tap, Nonvolatile, I2C, Linear, Digital

Potentiometers

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ELECTRICAL CHARACTERISTICS (continued)

(VDD = +2.7V to +5.25V, VH = VDD, VL = GND, TA = -40°C to +85°C, unless otherwise noted. Typical values are at VDD = +5V, TA =

+25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

DYNAMIC CHARACTERISTICS

MAX5432/MAX5434

500

-3dB Bandwidth (Note 8)

MAX5433/MAX5435

250

kHz

MAX5432/MAX5434

0.5

Wiper Settling Time (Note 9)

MAX5433/MAX5435

1.0

µs

NONVOLATILE MEMORY RELIABILITY

Data Retention

TA = +85°C

Years

TA = +25°C

200,000

Endurance

TA = +85°C

50,000

Stores

POWER SUPPLY

Power-Supply Voltage

VDD

2.70

5.25

Standby Current

IDD

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

0.5

µA

Programming Current

During nonvolatile write; digital inputs =

VDD or GND (Note 10)

200

900

µA

Note 1: All devices are production tested at TA = +25°C and are guaranteed by design and characterization for -40°C < TA < +85°C.

TIMING CHARACTERISTICS

(VDD = +2.7V to +5.25V, VH = VDD, VL = GND, TA = -40°C to +85°C, unless otherwise noted. Typical values are at VDD = +5V, TA =

+25°C.) (Figures 1 and 2) (Note 11)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

SCL Clock Frequency

fSCL

400

kHz

Setup Time for START Condition

tSU-STA

0.6

µs

Hold Time for START Condition

tHD-STA

0.6

µs

CLK High Time

tHIGH

0.6

µs

CLK Low Time

tLOW

1.3

µs

Data Setup Time

tSU-DAT

100

Data Hold Time

tHD-DAT

0.9

µs

SDA, SCL Rise Time

300

SDA, SCL Fall Time

300

Setup Time for STOP Condition

tSU-STO

0.6

µs

Bus Free Time Between STOP

and START Condition

tBUF

1.3

µs

Pulse Width of Spike Suppressed

tSP

Capacitive Load for Each Bus

Line

(Note 12)

400

Nonvolatile Store Time

Idle time required after a nonvolatile

memory write (Note 13)

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