MAX5478EUD 데이터 시트보기 (PDF) - Maxim Integrated
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MAX5478EUD Datasheet PDF : 16 Pages
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Dual, 256-Tap, Nonvolatile, I2C-Interface,
Digital Potentiometers
Typical Operating Characteristics (continued)
(VDD = +5V, H_ = VDD, L_ = GND, TA = +25°C, unless otherwise noted.)
DIFFERENTIAL NONLINEARITY
vs. CODE (VRM MODE)
0.20
MAX5479
0.16
0.12
0.08
0.04
0
-0.04
-0.08
-0.12
-0.16
-0.20
0
32 64 96 128 160 192 224 256
CODE
CROSSTALK vs.
FREQUENCY (MAX5477)
0
-10 CW_ = 10pF
-20
-30
-40
-50
-60
-70
-80
-90
-100
0.1
1
10 100 1000
FREQUENCY (kHz)
10,000
CROSSTALK vs.
FREQUENCY (MAX5478)
0
CW_ = 10pF
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
0.01
0.1
1
10 100 1000
FREQUENCY (kHz)
CROSSTALK vs.
FREQUENCY (MAX5479)
0
-10 CW_ = 10pF
-20
-30
-40
-50
-60
-70
-80
-90
-100
0.1
1
10 100 1000
FREQUENCY (kHz)
10,000
MIDSCALE WIPER RESPONSE
vs. FREQUENCY (MAX5477)
1
CW_ = 10pF
0
-1
-2
-3
CW_ = 50pF
-4
-5
-6
-7
-8
0.1
1
10
100
1000
FREQUENCY (kHz)
2
1
0
-1
-2
-3
-4
-5
-6
-7
-8
0.1
MIDSCALE WIPER RESPONSE
vs. FREQUENCY (MAX5478)
CW_ = 10pF
CW_ = 50pF
1
10
100
1000
FREQUENCY (kHz)
MIDSCALE WIPER RESPONSE
vs. FREQUENCY (MAX5479)
2
1
0
-1
-2
CW_ = 10pF
-3
-4
-5
0.1
CW_ = 50pF
1
10
100
1000
FREQUENCY (kHz)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (MAX5477)
1
MIDSCALE
0.1
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (MAX5478)
10
MIDSCALE
1
0.1
0.01
0.01
0.001
0.001
0.0001
0.01
0.1
1
10
100
0.01
0.1
1
10
100
FREQUENCY (kHz)
FREQUENCY (kHz)
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