Owner's manual

MAX5487/MAX5488/MAX5489
Dual, 256-Tap, Nonvolatile, SPI-Interface,
Linear-Taper Digital Potentiometers
_______________________________________________________________________________________ 7
VARIABLE-RESISTOR DNL
vs. TAP POSITION (MAX5489)
MAx5487-89 toc13
TAP POSITION
DNL (LSB)
22419232 64 96 128 160
-0.15
-0.10
-0.05
0
0.05
0.10
0.15
0.20
-0.20
0256
VOLTAGE-DIVIDER INL
vs. TAP POSITION (MAX5489)
MAx5487-89 toc16
TAP POSITION
INL (LSB)
22419232 64 96 128 160
-0.6
-0.8
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0 256
VARIABLE-RESISTOR INL
vs. TAP POSITION (MAX5489)
MAx5487-89 toc14
TAP POSITION
INL (LSB)
22419232 64 96 128 160
-0.6
-0.8
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0256
VOLTAGE-DIVIDER DNL
vs. TAP POSITION (MAX5489)
MAx5487-89 toc15
TAP POSITION
DNL (LSB)
22419232 64 96 128 160
-0.15
-0.10
-0.05
0
0.05
0.10
0.15
0.20
-0.20
0 256
-30
-100
0.1 1 100 1000
CROSSTALK vs. FREQUENCY
-90
-70
-50
-80
-60
-40
MAX5487-89toc17
FREQUENCY (kHz)
CROSSTALK (dB)
10
C
W_
= 10pF
MAX5489
MAX5488
-0.010
-0.004
-0.006
-0.008
-0.002
0
0.002
0.004
0.006
0.008
0.010
-40 10-15 35 60 85
END-TO-END RESISTANCE CHANGE
vs. TEMPERATURE (MAX5488)
MAX5487-89 toc18
TEMPERATURE (°C)
RESISTANCE CHANGE (%)
-0.010
-0.004
-0.006
-0.008
-0.002
0
0.002
0.004
0.006
0.008
0.010
-40 10-15 35 60 85
END-TO-END RESISTANCE CHANGE
vs. TEMPERATURE (MAX5489)
MAX5487-89 toc19
TEMPERATURE (°C)
RESISTANCE CHANGE (%)
Typical Operating Characteristics (continued)
(V
DD
= +5.0V, T
A
= +25°C, unless otherwise noted.)