MAX5386 Просмотр технического описания (PDF) - Maxim Integrated

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MAX5386

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

Maxim Integrated 

Dual, 256-Tap, Volatile, Low-Voltage

Linear Taper Digital Potentiometers

ABSOLUTE MAXIMUM RATINGS

VDD to GND.............................................................-0.3V to +6V

H_, W_, L_ to GND.....-0.3V to the lower of (VDD + 0.3V) and +6V

All Other Pins to GND..............................................-0.3V to +6V

Continuous Current in to H_, W_, and L_

MAX5386L/MAX5388L................................................... ±5mA

MAX5386M/MAX5388M................................................. Q2mA

MAX5386N/MAX5388N.................................................. Q1mA

Continuous Power Dissipation (TA = +70NC)

16 TQFN (derate 14.7mW/NC above +70NC)..........1176.5mW

10 FMAX (derate 8.8mW/NC above +70NC)..............707.3mW

Operating Temperature Range......................... -40NC to +125NC

Junction Temperature......................................................+150NC

Storage Temperature Range............................ -65NC to +150NC

Lead Temperature (soldering, 10s).................................+300NC

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these

or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may

affect device reliability.

ELECTRICAL CHARACTERISTICS

(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

Resolution

N

DC PERFORMANCE (VOLTAGE-DIVIDER MODE)

Integral Nonlinearity

INL (Note 2)

Differential Nonlinearity

DNL (Note 2)

Dual Code Matching

Register A = register B

Ratiometric Resistor Tempco

(DVW/VW)/DT no load

MAX5386L/MAX5388L

Full-Scale Error

Code = FFH

MAX5386M/MAX5388M

MAX5386N/MAX5388N

MAX5386L/MAX5388L

Zero-Scale Error

Code = 00H

MAX5386M/MAX5388M

MAX5386N/MAX5388N

DC PERFORMANCE (VARIABLE-RESISTOR MODE) (Note 3)

MAX5386L/MAX5388L

VDD > +2.6V

MAX5386M/MAX5388M

Integral Nonlinearity

R-INL

MAX5386N/MAX5388N

MAX5386L/MAX5388L

VDD > +4.75V MAX5386M/MAX5388M

MAX5386N/MAX5388N

Differential Nonlinearity

R-DNL VDD R 2.6V

DC PERFORMANCE (RESISTOR CHARACTERISTICS)

Wiper Resistance (Note 4)

RW

VDD R 2.6V

VDD > 4.75V

Terminal Capacitance

CH_, CL_ Measured to GND

Wiper Capacitance

CW_ Measured to GND

End-to-End Resistor Tempco

TCR No load

End-to-End Resistor Tolerance

DRHL Wiper not connected

AC PERFORMANCE

Crosstalk

(Note 5)

-3dB Bandwidth

Code = 80H,

BW 10pF load,

VDD = +2.6V

MAX5386L/MAX5388L

MAX5386M/MAX5388M

MAX5386N/MAX5388N

MIN TYP MAX UNITS

256

Tap

-0.5

+0.5 LSB

-0.5

+0.5 LSB

-0.5

+0.5 LSB

Q5

ppm/NC

-3.0 -2.5

-1.0 -0.5

LSB

-0.5 -0.25

2.5

3.0

+0.5 +1.0 LSB

+0.25 +0.5

Q1.0 Q2.5

Q0.5 Q1.0

Q0.25 Q0.8

LSB

Q0.4 Q1.5

Q0.3 Q0.75

Q0.25 Q0.5

-0.5

+0.5 LSB

250 600

I

150 200

10

pF

50

pF

35

ppm/NC

-25

+25

%

-90

dB

600

150

kHz

75

2   _______________________________________________________________________________________

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