MAX5391(2009) View Datasheet(PDF) - Maxim Integrated
Part Name
Description
View to exact match
MAX5391
(Rev.:2009)
(Rev.:2009)
Maxim Integrated
MAX5391 Datasheet PDF : 13 Pages
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Dual 256-Tap, Volatile, Low-Voltage
Linear Taper Digital Potentiometers
Typical Operating Characteristics (continued)
(VDD = 1.8V, TA = +25NC, unless otherwise noted.)
MIDSCALE FREQUENCY
RESPONSE (10kI)
10
VDD = 5V
0
MIDSCALE FREQUENCY
RESPONSE (50kI)
10
0
VDD = 5V
MIDSCALE FREQUENCY
RESPONSE (100kI)
10
0
VDD = 5V
-10
-10
VDD = 1.8V
-10
VDD = 1.8V
-20
-20
VDD = 1.8V
-20
VIN = 1VP-P
-30
0.01
1
VIN = 1VP-P
-30
100
10k
0.01
1
VIN = 1VP-P
-30
100
10k
0.01
1
100
10k
FREQUENCY (kHz)
FREQUENCY (kHz)
FREQUENCY (kHz)
CROSSTALK vs. FREQUENCY
0
-20
-40
100kI
-60
50kI
-80
-100
-120
-140
0.01
10kI
0.1
1
10 100 1000
FREQUENCY (kHz)
BYP RAMP vs. CBYP
120
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY
0.20
0.18
0.16
10kI
0.14
0.12
100kI
0.10
0.08
0.06
0.04
50kI
0.02
0
0.01
0.1
1
10
100
FREQUENCY (kHz)
CHARGE-PUMP FEEDTHROUGH
AT W_ vs. CBYP
700
100
600
500
80
400
60
300
40
200
20
100
0
0
0.02 0.04 0.05 0.08 0.10
CAPACITANCE (µF)
0
0
200
400
600
800
CAPACITANCE (pF)
_______________________________________________________________________________________ 7
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