C-interface, digital potentiometers – Rainbow Electronics MAX5419 User Manual
Page 2
MAX5417/MAX5418/MAX5419
256-Tap, Nonvolatile, I
2
C-Interface,
Digital Potentiometers
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(V
DD
= +2.7V to +5.25V, H = V
DD
, L = GND, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at V
DD
= +5V, T
A
= +25°C.)
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 +6.0V
All Other Pins to GND.................................-0.3V to (V
DD
+ 0.3V)
Maximum Continuous Current into H, L, and W
MAX5417......................................................................
±1.3mA
MAX5418......................................................................
±0.6mA
MAX5419......................................................................
±0.3mA
Continuous Power Dissipation (T
A
= +70°C)
8-Pin TDFN (derate 24.4mW/°C above +70°C) .........1951mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-60°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DC PERFORMANCE (VOLTAGE-DIVIDER MODE)
Resolution
256
Taps
Integral Nonlinearity
INL
(Note 1)
±0.5
LSB
Differential Nonlinearity
DNL
(Note 1)
±0.5
LSB
End-to-End Temperature
Coefficient
TC
R
50
ppm/°C
Ratiometric Temperature
Coefficient
5
ppm/°C
MAX5417_, 50
Ω
-0.6
Full-Scale Error
MAX5418_, 100k
Ω
-0.3
LSB
MAX5417_, 50k
Ω
0.6
Zero-Scale Error
MAX5418_, 100k
Ω
0.3
LSB
DC PERFORMANCE (VARIABLE-RESISTOR MODE)
V
DD
= 3V
±3
Integral Nonlinearity
(Note 2)
INL
V
DD
= 5V
±1.5
LSB
V
DD
= 3V, MAX5417_, 50k
Ω,
guaranteed monotonic
-1
+2
V
DD
= 3V, MAX5418_, 100k
Ω
±1
Differential Nonlinearity
(Note 2)
DNL
V
DD
= 5V
±1
LSB
DC PERFORMANCE (RESISTOR CHARACTERISTICS)
Wiper Resistance
R
W
(Note 3)
325
675
Ω
Wiper Capacitance
C
W
10
pF
MAX5417_
37.5
50
62.5
End-to-End Resistance
R
HL
MAX5418_
75
100
125
k
Ω