Rainbow-electronics MAX5439 Manual de usuario descargar pdf (Pagina 2)

MAX5436–MAX5439

±15V, 128-Tap, Low-Drift Digital Potentiometers

2 _______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

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.

to GND, V

= GND........................................-0.3V to +34V

to GND, V

= GND........................................-34V to +0.3V

to V

..............................................................-0.3V to +34V

to V

........................................................-6.3V to +28.75V

to V

..............................................................-0.3V to +34V

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

DIN, SCLK, CS, SHDN ...............................-0.3V to (V

+ 0.3V)

H, L, W, IN+, IN-, OUT .....................(V

- 0.3V) to (V

+ 0.3V)

Maximum Continuous Current into H, L, and W

MAX5436–MAX5439.......................................................±1mA

Continuous Power Dissipation (T

= +70°C)

10-Pin µMAX (derate 6.94mW/°C above +70°C) .........556mW

14-Pin TSSOP (derate 9.1mW/°C above +70°C) .........727mW

Operating Temperature Range ...........................-40°C to +85°C

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

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

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

ELECTRICAL CHARACTERISTICS

= +15V, V

= -15V, V

= +5V, V

= V

, V

= V

, T

= -40°C to +85°C, unless otherwise noted. Typical values are at

= +25°C, unless otherwise noted.)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

DC PERFORMANCE (Voltage-Divider Mode)

Resolution 2

128 Taps

Integral Nonlinearity INL (Note 1) ±1 LSB

Differential Nonlinearity DNL (Note 1) ±1 LSB

End-to-End Resistor Tempco TC

35 ppm/°C

Ratiometric Resistor Tempco 5 ppm/°C

Full-Scale Error R

= 50kΩ (MAX5436/MAX5438) -0.3 LSB

Zero-Scale Error R

= 50kΩ (MAX5436/MAX5438) +0.3 LSB

Full-Scale Error R

= 100kΩ (MAX5437/MAX5439) -0.15 LSB

Zero-Scale Error R

= 100kΩ (MAX5437/MAX5439) +0.15 LSB

DC PERFORMANCE (Variable-Resistor Mode)

Resolution 2

128 Taps

Integral Nonlinearity INL (Note 2) ±1 LSB

Differential Nonlinearity DNL (Note 2) ±1 LSB

DC PERFORMANCE (Resistor Characteristics)

Wiper Resistance W

(Note 3) 0.9 2 kΩ

Wiper Capacitance W

Midscale 6 pF

MAX5437/MAX5439 75 100 125

End-to-End Resistance R

MAX5436/MAX5438 37.5 50 62.5

kΩ

DIGITAL INPUTS

Input High Voltage V

= 4.75V to 5.25V (Note 4) 2.4 V

Input Low Voltage V

= 4.75V to 5.25V 0.8 V

1 2 3 4 5 6 7 ... 10 11

MAX5436–MAX5439 1

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Rainbow-electronics MAX5439 Manual de usuario Pagina 2

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