MAX5128 Просмотр технического описания (PDF) - Maxim Integrated
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MAX5128
Maxim Integrated
MAX5128 Datasheet PDF : 14 Pages
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128-Tap, Nonvolatile, Linear-Taper Digital
Potentiometer in 2mm x 2mm µDFN Package
Typical Operating Characteristics (continued)
(VCC = +5.0V, TA = +25°C, unless otherwise noted.)
SUPPLY CURRENT
vs. DIGITAL INPUT VOLTAGE
1000
VCC = 5V
100
10
1
0.1
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)
WIPER RESISTANCE
vs. TEMPERATURE
1000
VCC = 5V
WIPER = MIDSCALE
800
600
400
200
0
-40 -15 10
35
60
85
TEMPERATURE (°C)
0
-2
-4
-6
-8
-10
-12
-14
-16
-18
0.1
WIPER RESPONSE
vs. FREQUENCY
VCC = 5V
WIPER = MIDSCALE
1
10
100
1000
FREQUENCY (kHz)
THD+N vs. FREQUENCY
10
VCC = 5V
WIPER = MIDSCALE
1 FILTER BANDWIDTH = 80kHz
0.1
TAP-TO-TAP SWITCHING TRANSIENT
MAX5128 toc21
UP
2V/div
0.01
0.001
0.0001
0.1
1
10
100
FREQUENCY (kHz)
H = VCC
L = GND
FROM MIDSCALE
CW = 20pF
VW
20mV/div
AC-COUPLED
1μs/div
WIPER RESISTANCE vs. CODE
600
MIDSCALE WIPER TRANSIENT
AT POWER-ON
MAX5128 toc23
500
VCC
2V/div
400
300
OUTPUT
200
W
2V/div
100
0
0 12 24 36 48 60 72 84 96 108 120
CODE
10μs/div
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