Electrical characteristics (continued) – Rainbow Electronics MAX5484 User Manual
Page 3
MAX5481–MAX5484
10-Bit, Nonvolatile, Linear-Taper Digital
Potentiometers
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= +2.7V to +5.25V, V
SS
= GND = 0, V
H
= V
DD
, V
L
= 0, 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
k
Ω
Full-Scale Wiper-to-End
Resistance
R
W-L
MAX5484
37.5
50
62.5
k
Ω
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
5
pF
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
= GND = 0
2.70
5.25
V
V
DD
GND = 0
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
4
mA
Standby Current
I
DD
Digital inputs = V
DD
or GND, T
A
= +25°C
0.6
1
µA