MAX5395L Просмотр технического описания (PDF) - Maxim Integrated

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MAX5395L

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.)

Maximum Current into Any Input........................................50mA

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

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

Continuous Power Dissipation (TA = +70°C)

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

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

Operating Temperature Range ........................ -40°C to +125°C

(VDD + 0.3V) or +6V

ADDR0...................... -0.3V to the lower of (VDD + 0.3V) or +6V

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

Storage Temperature Range............................ -65°C to + 150°C

Junction Temperature......................................................+150°C

Lead Temperature (soldering, 10s).................................+ 300°C

Continuous Current into H, W, and L

Soldering Temperature (reflow) ......................................+260°C

MAX5395L......................................................................... 5mA

MAX5395M........................................................................ 2mA

MAX5395N........................................................................ 1mA

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.

Package Thermal Characteristics (Note 1)

TDFN

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

Junction-to-Ambient Thermal Resistance (θJC)........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.maximintegrated.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

RESOLUTION

256-Tap Family

SYMBOL

N

CONDITIONS

MIN TYP MAX UNITS

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,

MAX5395M

MAX5395N

-0.5

LSB

2.6V < 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

+0.5

+0.5 LSB

+1.0

DC PERFORMANCE (Variable Resistor Mode)

Integral Nonlinearity (Note 4)

R-INL

Charge pump enabled, 1.7V < VDD < 5.5V

-1.0

Charge pump disabled,

2.6V < VDD < 5.5V

MAX5395M

MAX5395N

-1.0

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

Ω

200

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