MAX5479 Maxim, MAX5479 Datasheet - Page 5

• Manufacturer Part Number: MAX5479
• Description: Dual - 256-Tap/ Nonvolatile/ I2C-Interface/ Digital Potentiometers
• Manufacturer: Maxim

-0.1
-0.2
-0.3
0.3
0.2
0.1
0
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
(V
-40
TAP-TO-TAP SWITCHING TRANSIENT
MAX5478
DD
32
V
V
INTEGRAL NONLINEARITY
= +5V, H_ = V
DD
DD
vs. CODE (VDM MODE)
-15
64
= 3V
= 5V
vs. TEMPERATURE
SUPPLY CURRENT
TEMPERATURE (°C)
96
400ns/div
10
CODE
128 160 192 224 256
MAX5479
C
H_ = V
FROM TAP 00 TO TAP 04
W_
= 10pF
Dual, 256-Tap, Nonvolatile, I
DD
DD
35
_______________________________________________________________________________________
, L_ = GND, T
MAX5477/78/79 toc04
60
85
SDA
2V/div
W_
20mV/div
A
= +25°C, unless otherwise noted.)
-0.1
-0.2
-0.3
500
450
400
350
300
250
200
150
100
0.3
0.2
0.1
50
0
0
0
0
MAX5478
WIPER TRANSIENT AT POWER-ON
32
32
DIFFERENTIAL NONLINEARITY
vs. CODE (VDM MODE)
64
64
WIPER RESISTANCE
vs. INPUT CODE
96
96
INPUT CODE
4µs/div
CODE
128 160 192 224 256
128 160 192 224 256
Digital Potentiometers
Typical Operating Characteristics
MAX5477/78/79 toc05
MAX5478
TAP = 128
V
2V/div
W_
1V/div
DD
-0.1
-0.2
-0.3
0.3
0.2
0.1
0
0
TAP-TO-TAP SWITCHING TRANSIENT
MAX5478
WIPER TRANSIENT AT POWER-ON
2
32
INTEGRAL NONLINEARITY
C-Interface,
vs. CODE (VRM MODE)
64
96
2µs/div
1µs/div
www.DataSheet4U.com
CODE
128 160 192 224 256
MAX5478
C
H_ = V
FROM TAP 00 TO TAP 04
L
= 10pF
DD
MAX5479
TAP = 128
MAX5477/78/79 toc03
MAX5477/78/79 toc06
SDA
2V/div
W_
20mV/div
V
2V/div
W_
1V/div
DD
5