MAX5386NATE+ datasheet(3/13 Pages) MAXIM

Part #	MAX5386NATE+

Description	Dual, 256-Tap, Volatile, Low-Voltage Linear Taper Digital Potentiometers

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Manufacturer	MAXIM [Maxim Integrated Products]

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Dual, 256-Tap, Volatile, Low-Voltage

Linear Taper Digital Potentiometers

_______________________________________________________________________________________ 3

Note 1: All devices are 100% production tested at TA = +25°C. Specifications over temperature limits are guaranteed by design

and characterization.

Note 2: DNL and INL are measured with the potentiometer configured as a voltage-divider (Figure 1) with H = VDD and L = GND.

The wiper terminal is unloaded and measured with an ideal voltmeter.

Note 3: R-DNL and R-INL are measured with the potentiometer configured as a variable resistor (Figure 1). DNL and INL are mea-

sured with the potentiometer configured as a variable resistor. H_ is unconnected and L_ = GND. For VDD = +5V, the wiper

terminal is driven with a source current of 400µA for the 10kI configuration, 80µA for the 50kI configuration, and 40µA for

the 100kI configuration. For VDD = +2.6V, the wiper terminal is driven with a source current of 200µA for the 10kI configu-

ration, 40µA for the 50kI configuration, and 20µA for the 100kI configuration.

Note 4: The wiper resistance is the worst value measured by injecting the currents given in Note 3 in to W with L = GND. RW = (VW

- VH)/IW.

Note 5: Drive HA with a 1kHz GND to VDD amplitude tone. LA = LB = GND. No load. WB is at midscale with a 10pF load. Measure

WB.

Note 6: The wiper-settling time is the worst case 0 to 50% rise time, measured between tap 0 and tap 127. H = VDD, L = GND, and

the wiper terminal is loaded with 10pF capacitance to ground.

Note 7: Digital timing is guaranteed by design and characterization, not production tested.

ELECTRICAL CHARACTERISTICS (continued)

(VDD = +2.6V to +5.5V, VH_ = VDD, VL_ = GND, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VDD = +5V, TA

= +25˚C. ) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Total Harmonic Distortion

Plus Noise

THD+N

Measured at W, VH_ = 1VRMS at 1kHz

0.015

%

Wiper Settling Time (Note 6)

tS

MAX5386L/MAX5388L

300

ns

MAX5386M/MAX5388M

1000

MAX5386N/MAX5388N

2000

POWER SUPPLIES

Supply Voltage Range

VDD

2.6

5.5

V

Standby Current

Digital inputs = VDD or GND

1

F

A

DIGITAL INPUTS

Minimum Input High Voltage

VIH

70

%VDD

Maximum Input Low Voltage

VIL

30

%VDD

Input Leakage Current

-1

+1

F

A

Input Capacitance

5

pF

TIMING CHARACTERISTICS (Note 7)

Maximum SCLK Frequency

fMAX

10

MHz

SCLK Clock Period

tCP

100

ns

SCLK Pulse-Width High

tCH

40

ns

SCLK Pulse-Width Low

tCL

40

ns

CS Fall to SCLK Rise Setup Time

tCSS

40

ns

SCLK Rise to CS Rise Hold Time

tCSH

0

ns

DIN Setup Time

tDS

40

ns

DIN Hold Time

tDH

0

ns

SCLK Rise to CS Fall Delay

tCS0

10

ns

SCLK Rise to SCLK Rise Hold

Time

tCS1

40

ns

CS Pulse-Width High

tCSW

100

ns

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