MAX5395(2012) 데이터 시트보기 (PDF) - Maxim Integrated

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MAX5395
(Rev.:2012)

Single, 256-Tap Volatile, I2C, Low-Voltage Linear Taper Digital Potentiometer

Maxim Integrated 

MAX5395

Single, 256-Tap Volatile, I2C, Low-Voltage Linear

Taper Digital Potentiometer

ABSOLUTE MAXIMUM RATINGS

(All voltages referenced to GND.)

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

H, W, L (charge pump enabled) ..........................-0.3V to +5.5V

H, W, L (charge pump disabled)................. -0.3V to the lower of

(VDD + 0.3V) or +6V

ADDR0.......................................................... -0.3V to the lower of

(VDD + 0.3V) or +6V

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

Continuous Power Dissipation (TA = +70NC)

TDFN (derate 11.9mW/NC above +70NC)..................953.5mW

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

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

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

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

Soldering Temperature (reflow) ......................................+260NC

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

tion 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.

PACKAGE THERMAL CHARACTERISTICS (Note 1)

TDFN

Junction-to-Ambient Thermal Resistance (qJA)........83.9°C/W

Junction-to-Case Thermal Resistance (qJC).............37.0°C/W

Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-

layer board. For detailed information on package thermal considerations, refer to www.maxim-ic.com/thermal-tutorial.

ELECTRICAL CHARACTERISTICS

(VDD = 1.7V to 5.5V, VH = VDD, VL = GND, TA = -40°C to +125°C, unless otherwise noted. Typical values are at VDD = 1.8V,

TA = +25°C.) (Note 2)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX UNITS

RESOLUTION

256-Tap Family

N

256

Tap

DC PERFORMANCE (Voltage-Divider Mode)

Integral Nonlinearity (Note 3)

INL

-1.0

+1.0 LSB

Differential Nonlinearity

DNL (Note 3)

-0.5

+0.5 LSB

Ratiometric Resistor Tempco

(DVW/VW)/DT, VH = VDD, VL = GND, No

Load

5

ppm/°C

Charge pump enabled, 1.7V < VDD < 5.5V -0.5

Full-Scale Error (Code FFh)

Charge pump disabled, 2.6V

MAX5395M

MAX5395N

-0.5

LSB

< VDD < 5.5V

MAX5395L -1.0

Zero-Scale Error (Code 00h)

Charge pump enabled, 1.7V < VDD < 5.5V

Charge pump disabled, 2.6V

< VDD < 5.5V

MAX5395M

MAX5395N

MAX5395L

DC PERFORMANCE (Variable Resistor Mode)

+0.5

+0.5 LSB

+1.0

Integral Nonlinearity (Note 4)

R-INL

Charge pump enabled, 1.7V < VDD < 5.5V -1.0

Charge pump disabled, 2.6V

MAX5395M

MAX5395N

-1.0

< VDD < 5.5V

MAX5395L -1.5

+1.0

+1.0 LSB

+1.5

Differential Nonlinearity

R-DNL (Note 4)

-0.5

+0.5 LSB

Wiper Resistance (Note 5)

RWL

Charge pump enabled, 1.7V < VDD < 5.5V

Charge pump disabled, 2.6V < VDD < 5.5V

25

50

200

W

  2

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