Datasheet

10-Bit, Nonvolatile, Linear-Taper Digital
Potentiometers
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= +2.7V to +5.25V, V
SS
= V
GND
= 0V, V
H
= V
DD
, V
L
= 0V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at
V
DD
= +5.0V, T
A
= +25°C, unless otherwise noted.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
MAX5483 7.5 10 12.5 kΩ
Full-Scale Wiper-to-End
Resistance
R
W-L
MAX5484 37.5 50 62.5 kΩ
MAX5483 70
Zero-Scale Resistor Error R
Z
Code = 0
MAX5484 110
Ω
Wiper Resistance R
W
V
DD
≥ +3V (Note 4) 50 Ω
Wiper Capacitance C
W
60 pF
DIGITAL INPUTS (CS, SCLK(INC), DIN(U/D), SPI/UD) (Note 5)
V
DD
= +3.6V to
+5.25V
2.4
Single-supply operation
V
DD
= +2.7V to
+3.6V
0.7 x
V
DD
Input-High Voltage V
IH
Dual-supply operation
V
DD
= +2.5V, V
SS
= -2.5V
2.0
V
Single-supply operation
V
DD
= +2.7V to
+5.25V
0.8
Input-Low Voltage V
IL
Dual-supply operation
V
DD
= +2.5V, V
SS
= -2.5V
0.6
V
Input Leakage Current I
IN
±1 µA
Input Capacitance C
IN
5pF
DYNAMIC CHARACTERISTICS
MAX5481 250
Wiper -3dB Bandwidth
Wiper at code = 01111
01111, C
LW
= 10pF
MAX5482 50
kHz
MAX5481 0.026
Total Harmonic Distortion THD
V
DD
= +3V, wiper at
code = 01111 01111,
1V
RMS
at 10kHz is
applied at H, 10pF
load on W
MAX5482 0.03
%
NONVOLATILE MEMORY RELIABILITY
Data Retention T
A
= +85°C 50 Years
T
A
= +25°C 200,000
Endurance
T
A
= +85°C 50,000
Stores
POWER SUPPLY
Single-Supply Voltage V
DD
V
SS
= V
GND
= 0V 2.70 5.25 V
V
DD
V
GND
= 0V 2.50 5.25
Dual-Supply Voltage
V
SS
V
DD
- V
SS
≤ +5.25V -2.5 -0.2
V
Average Programming Current I
PG
During nonvolatile write; digital inputs =
V
DD
or GND
220 400 µA
Peak Programming Current
During nonvolatile write only; digital inputs
= V
DD
or GND
4mA
Standby Current I
DD
Digital inputs = V
DD
or GND, T
A
= +25°C 0.6 1 µA
MAX5481–MAX5484
3
Maxim Integrated