
M
Dual, 256-Tap, Nonvolatile, I
2
C-Interface,
Digital Potentiometers
6
_______________________________________________________________________________________
-0.10
-0.08
-0.04
0
0.02
0.06
0.10
0
64
32
96
128
CODE
160
192
224
256
DIFFERENTIAL NONLINEARITY
vs. CODE (VRM MODE)
M
D
-0.06
-0.02
0.08
0.04
MAX5478
-0.20
-0.12
-0.16
-0.04
-0.08
0.04
0
0.08
0.16
0.12
0.20
0
64
96
32
128
CODE
160
192
224
256
INTEGRAL NONLINEARITY
vs. CODE (VDM MODE)
M
I
MAX5479
-0.14
-0.02
-0.04
-0.06
-0.08
-0.10
-0.12
0
0.04
0.02
0.10
0.08
0.06
0.12
0.14
0
64
32
96
128 160
CODE
192 224
256
DIFFERENTIAL NONLINEARITY
vs. CODE (VDM MODE)
M
D
MAX5479
-0.20
-0.12
-0.16
-0.04
-0.08
0.04
0
0.08
0.16
0.12
0.20
0
64
96
32
128
CODE
160
192
224
256
INTEGRAL NONLINEARITY
vs. CODE (VRM MODE)
M
I
MAX5479
-0.20
-0.12
-0.16
-0.04
-0.08
0.04
0
0.08
0.16
0.12
0.20
0
64
96
32
128
CODE
160
192
224
256
DIFFERENTIAL NONLINEARITY
vs. CODE (VRM MODE)
M
D
MAX5479
CROSSTALK vs. FREQUENCY (MAX5478)
M
FREQUENCY (kHz)
C
100
10
1
0.1
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
0.01
1000
C
W_
= 10pF
TAP = 0
CROSSTALK vs. FREQUENCY (MAX5479)
M
FREQUENCY (kHz)
C
1000
100
10
1
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
0.1
10,000
C
= 10pF
TAP = 128
Typical Operating Characteristics (continued)
(V
DD
= +5V, H_ = V
DD
, L_ = GND, T
A
= +25°C, unless otherwise noted.)