MAX5386 Просмотр технического описания (PDF) - Maxim Integrated
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MAX5386 Datasheet PDF : 13 Pages
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Dual, 256-Tap, Volatile, Low-Voltage
Linear Taper Digital Potentiometers
(VDD = 5V, TA = +25°C, unless otherwise noted.)
Typical Operating Characteristics
SUPPLY CURRENT
vs. TEMPERATURE
1.0
0.8
VDD = 5V
0.6
0.4
VDD = 2.6V
0.2
SUPPLY CURRENT
vs. DIGITAL INPUT VOLTAGE
10
VDD = 5V
1
0.1
0.01
0.001
VDD = 2.6V
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
1.00
0.75
0.50
0.25
0
-40 -25 -10 0 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
11,000
10,000
9000
8000
7000
6000
5000
4000
3000
2000
1000
0
0
RESISTANCE (W TO L)
vs. TAP POSITION (10kΩ)
51 102 153 204 255
TAP POSITION
0.0001
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
DIGITAL INPUT VOLTAGE (V)
55,000
50,000
45,000
40,000
35,000
30,000
25,000
20,000
15,000
10,000
5000
0
0
RESISTANCE (W TO L)
vs. TAP POSITION (50kΩ)
51 102 153 204 255
TAP POSITION
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
VDD (V)
110k
100k
90k
80k
70k
60k
50k
40k
30k
20k
10k
0
0
RESISTANCE (W-TO-L)
vs. TAP POSITION (100kI)
51 102 153 204 255
TAP POSITION
WIPER RESISTANCE
vs. WIPER VOLTAGE (10kΩ)
210
190
VDD = 2.6V
170
150
130
VDD = 5V
110
90
70
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
WIPER VOLTAGE
END-TO-END RESISTANCE % CHANGE
vs. TEMPERATURE
0.1
10kI
0
-0.1
50kI
-0.2
100kI
-0.3
-0.4
-0.5
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (NC)
VARIABLE-RESISTOR DNL
vs. TAP POSITION (10kI)
0.10
IWIPER = 400µA
0.08
0.06
0.04
0.02
0
-0.02
-0.04
-0.06
-0.08
-0.10
0
51 102 153 204 255
TAP POSITION
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