Typical operating characteristics (continued) – Rainbow Electronics MAX5489 User Manual
Page 6
MAX5487/MAX5488/MAX5489
Dual, 256-Tap, Nonvolatile, SPI-Interface,
Linear-Taper Digital Potentiometers
6
_______________________________________________________________________________________
VARIABLE-RESISTOR INL
vs. TAP POSITION (MAX5488)
MAx5487-89 toc10
TAP POSITION
INL (LSB)
224
192
32
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
VOLTAGE-DIVIDER DNL
vs. TAP POSITION (MAX5488)
MAx5487-89 toc11
TAP POSITION
DNL (LSB)
224
192
32
64
96
128 160
-0.15
-0.10
-0.05
0
0.05
0.10
0.15
0.20
-0.20
0
256
VOLTAGE-DIVIDER INL
vs. TAP POSITION (MAX5488)
MAx5487-89 toc12
TAP POSITION
INL (LSB)
224
192
32
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
Typical Operating Characteristics (continued)
(V
DD
= +5.0V, T
A
= +25
°C, unless otherwise noted.)
MIDSCALE FREQUENCY RESPONSE
(MAX5488)
MAX5487-89 toc07
FREQUENCY (kHz)
GAIN (dB)
100
10
1
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
-50
0.1
1000
C
W_
= 10pF
C
W_
= 50pF
MIDSCALE FREQUENCY RESPONSE
(MAX5489)
MAX5487-89 toc08
FREQUENCY (kHz)
GAIN (dB)
100
10
1
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
-50
0.1
1000
C
W_
= 10pF
C
W_
= 50pF
VARIABLE-RESISTOR DNL
vs. TAP POSITION (MAX5488)
MAx5487-89 toc09
TAP POSITION
DNL (LSB)
224
192
32
64
96
128 160
-0.15
-0.10
-0.05
0
0.05
0.10
0.15
0.20
-0.20
0
256