C-interface, digital potentiometers, Typical operating characteristics (continued) – Rainbow Electronics MAX5419 User Manual
Page 6
MAX5417/MAX5418/MAX5419
256-Tap, Nonvolatile, I
2
C-Interface,
Digital Potentiometers
6
_______________________________________________________________________________________
INL vs. TAP POSITION
(MAX5417)
MAX5417 toc08
TAP POSITION
RESISTANCE INL (LSB)
224
192
160
128
96
64
32
-0.5
0
0.5
1.0
1.5
2.0
2.5
3.0
-1.0
0
256
VARIABLE-RESISTOR MODE
V
DD
= 2.7V
I
SRC
= 50
µA
DNL vs. TAP POSITION
MAX5417 toc09
TAP POSITION
RESISTANCE DNL (LSB)
224
192
160
128
96
64
32
-0.20
-0.15
-0.10
-0.05
0
0.10
0.20
0.05
0.15
0.25
-0.25
0
256
VOLTAGE-DIVIDER MODE
TAP POSITION
RESISTANCE INL (LSB)
224
192
160
128
96
64
32
-0.20
-0.15
-0.10
-0.05
0
0.10
0.20
0.05
0.15
0.25
-0.25
0
256
INL vs. TAP POSITION
MAX5417 toc10
VOLTAGE-DIVIDER MODE
Typical Operating Characteristics (continued)
(V
DD
= +5V, T
A
= +25°C, unless otherwise noted.)
DNL vs. TAP POSITION
(MAX5418)
MAX5417 toc11
TAP POSITION
DNL (LSB)
224
192
160
128
96
64
32
-0.2
-0.1
0
0.1
0.2
0.3
-0.3
0
256
VARIABLE-RESISTOR MODE
V
DD
= 2.7V I
SRC
= 20
µA
INL vs. TAP POSITION
(MAX5418)
MAX5417 toc12
TAP POSITION
INL (LSB)
224
192
160
128
96
64
32
-0.5
0
0.5
1.0
1.5
2.0
-1.0
0
256
VARIABLE-RESISTOR MODE
V
DD
= 2.7V I
SRC
= 20
µA
TAP-TO-TAP SWITCHING TRANSIENT
MAX5417 toc13
W
10mV/div
SDA
2V/div
1
µs/div
MAX5418
C
L
= 10pF
FROM TAP 127
TO TAP 128
H = V
DD
MIDSCALE WIPER RESPONSE vs. FREQUENCY
MAX5417 toc14
FREQUENCY (kHz)
WIPER RESPONSE (dB)
100
10
-25
-20
-10
-15
-5
MAX5418
TAP = 128
C
L
= 50pF
C
L
= 10pF
0
-30
1
1000