MAX5422 MAXIM [Maxim Integrated Products], MAX5422 Datasheet - Page 5

• Manufacturer Part Number: MAX5422
• Description: 256-Tap, Nonvolatile, SPI-Interface, Digital Potentiometers
• Manufacturer: MAXIM [Maxim Integrated Products]

(V
DD
= 5.0V, T
WIPER TRANSIENT AT POWER-ON
A
= +25°C, unless otherwise noted.)
4µs/div
_______________________________________________________________________________________
0.0001
0.001
700
600
500
400
300
200
100
0.01
100
0.1
10
0
1
-40
10
V
V
V
V
C
TAP = 128
H = V
1:1 RATIO
20Hz TO 20kHz BANDPASS
DD
DD
DD
DD
MAXIMUM WIPER RESISTANCE
MAX5422 toc04
L
= 10pF
= 3.0V
= 4.5V
= 5.25V
= 2.7V
-15
DD
100
256-Tap, Nonvolatile, SPI-Interface,
vs. TEMPERATURE
THD+N RESPONSE
TEMPERATURE (°C)
FREQUENCY (Hz)
V
1V/div
W
1V/div
10
DD
1k
35
-0.2
-0.4
-0.6
-0.8
-1.0
Typical Operating Characteristics (continued)
1.0
0.8
0.6
0.4
0.2
0
10k
-40
60
END-TO-END RESISTANCE %
CHANGE vs. TEMPERATURE
-15
100k
85
TEMPERATURE (°C)
10
Digital Potentiometers
35
-0.5
-1.0
600
500
400
300
200
100
2.0
1.5
1.0
0.5
0
0
60
0
0
VARIABLE-RESISTOR MODE
V
I
SRC
DD
32
85
vs. DIGITAL INPUT VOLTAGE
= 2.7V
= 50µA
1
DIGITAL INPUT VOLTAGE (V)
INL vs. TAP POSITION
64
SUPPLY CURRENT
96
(MAX5422)
TAP POSITION
2
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
128
-40
3
160
V
DD
V
V
STANDBY SUPPLY CURRENT
DD
DD
-15
= 5.25V
192
= 4.0V
= 3.0V
4
vs. TEMPERATURE
TEMPERATURE (°C)
224
10
256
5
35
V
DD
60
= 2.7V
85
5