Owner's manual

MAX5494–MAX5499
10-Bit, Dual, 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.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DC PERFORMANCE (MAX5496–MAX5499 Variable Resistor)
Resolution N 10 Bits
V
DD
= 2.7V -1.6
V
DD
= 3V -4 -1.4 +4Integral Nonlinearity (Note 3) INL_R
V
DD
= 5V -4 -1.3 +4
LSB
V
DD
= 2.7V
+0.45
V
DD
= 3V -1
+0.4
+1Differential Nonlinearity (Note 3) DNL_R
V
DD
= 5V -1
+0.35
+1
LSB
Variable-Resistor Temperature
Coefficient
TC
VR
V
DD
= 3V to 5.25V; code = 128 to 1024 35
ppm/°C
Wiper Resistance R
W
V
DD
≥ 3V (Note 4) 50 Ω
Wiper Capacitance C
WR
60 pF
MAX5496/MAX5498 7.5 10
12.5
Full-Scale Wiper-to-End
Resistance
R
W-L
MAX5497/MAX5499
37.5
50
62.5
kΩ
MAX5494/MAX5498
70
Zero-Scale Resistor Error R
Z
Code = 0
MAX5495/MAX5499
110
Ω
MAX5496/MAX5498,
Code >128
0.1
Two-Channel Resistance
Matching
V
DD
= 3V to 5.25V
MAX5497/MAX5499,
Code >200
0.15
%
DIGITAL INPUTS (CS, SCLK, DIN) (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
With respect to
GND, 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
With respect to
GND, 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
MAX5494/MAX5498
250
Wiper -3dB Bandwidth BW
Wiper at code 495
(01111 01111), 10pF
load at wiper
MAX5495/MAX5499
50
kHz