Datasheet

Dual, 256-Tap, Volatile, Low-Voltage,
Linear Taper Digital Potentiometer
MAX5392
2 ______________________________________________________________________________________
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.
V
DD
to GND ...........................................................-0.3V to +6V
H_, W_, L_ to GND ......................................-0.3V to the lower of
(V
DD
+ 0.3V) and +6V
All Other Pins to GND .............................................-0.3V to +6V
Continuous Current in to H_, W_, and L_
MAX5392L ..................................................................... Q5mA
MAX5392M .................................................................... Q2mA
MAX5392N ..................................................................... Q1mA
Continuous Power Dissipation (T
A
= +70NC)
16-Pin TSSOP (derate 11.1mW/NC above +70NC) ...888.9mW
Operating Temperature Range ....................... -40NC to +125NC
Junction Temperature ....................................................+150NC
Storage Temperature Range ............................ -65NC to +150NC
Lead Temperature (soldering, 10s) ................................+300NC
Soldering Temperature (reflow) ......................................+260NC
ELECTRICAL CHARACTERISTICS
(V
DD
= +1.7V to +5.5V, V
H_
= V
DD
, V
L_
= 0, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at V
DD
= +1.8V,
T
A
= +25NC.) (Note 1)
ABSOLUTE MAXIMUM RATINGS
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Resolution N 256 Tap
DC PERFORMANCE (Voltage Divider Mode)
Integral Nonlinearity INL (Note 2) -0.5 +0.5 LSB
Differential Nonlinearity DNL (Note 2) -0.5 +0.5 LSB
Dual Code Matching Register A = Register B -0.5 +0.5 LSB
Ratiometric Resistor Tempco
(DV
W
/V
W
)/DT, no load
5
ppm/NC
Full-Scale Error Code = FFh
MAX5392L -3 -2.2
LSBMAX5392M -1 -0.6
MAX5392N -0.5 -0.3
Zero-Scale Error Code = 00h
MAX5392L 2.2 3
LSBMAX5392M 0.6 1.0
MAX5392N 0.3 0.5
DC PERFORMANCE (Variable Resistor Mode)
Integral Nonlinearity R-INL
MAX5392L (Note 3) -1.5 +1.5
LSBMAX5392M (Note 3) -0.75 +0.75
MAX5392N (Note 3) -0.5 +0.5
Differential Nonlinearity R-DNL (Note 3) -0.5 +0.5 LSB
DC PERFORMANCE (Resistor Characteristics)
Wiper Resistance R
WL
(Note 4) 200
I
Terminal Capacitance C
H
_, C
L_
Measured to GND 10 pF
Wiper Capacitance C
W
_ Measured to GND 50 pF
End-to-End Resistor Tempco TC
R
No load 35
ppm/NC
End-to-End Resistor Tolerance
DR
HL
Wiper not connected -25 +25 %