Rainbow-electronics MAX5457 Bedienungsanleitung Seite 4

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Seitenansicht 3
MAX5456/MAX5457
Stereo Audio Taper Potentiometers
with Pushbutton Interface
4 _______________________________________________________________________________________
Typical Operating Characteristics
(V
DD
= V
LOGIC
= +2.7V to +5.5V, V
SS
= 0V, GND = 0V, V
H
_ = V
DD
, V
L
_ = V
SS
, T
A
= T
MIN
to T
MAX
. Typical values are at T
A
= +25°C,
unless otherwise specified.)
WIPER RESISTANCE vs. WIPER VOLTAGE
MAX5456/7 toc01
WIPER VOLTAGE (V)
WIPER RESISTANCE ()
4.53.5 4.01.5 2.0 2.5 3.01.0
650
700
750
800
850
900
950
1000
1050
1100
1150
1200
600
0.5 5.0
V
DD
= V
LOGIC
= 5V
ATTENUATION vs. TAP POSITION
MAX5456/7 toc02
TAP POSITION
ATTENUATION (dB)
282420161284
-60
-50
-40
-30
-20
-10
0
-70
032
END-TO-END RESISTANCE % CHANGE
vs. TEMPERATURE
MAX5456/7 tpc03
TEMPERATURE (°C)
END-TO-END RESISTANCE CHANGE (%)
603510-15
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
-0.5
-40 85
ACTIVE SUPPLY CURRENT vs. TEMPERATURE
ACTIVE SUPPLY CURRENT (µA)
185
190
195
200
210
205
215
220
180
MAX5456/7 toc04
TEMPERATURE (°C)
603510-15-40 85
V
DD
= V
LOGIC
= 5.5V,
I
LOGIC
+ I
VDD
WIPER SWITCHING TRANSIENT
(TIMING OUT)
MAX5456/7 toc05a
10ms/div
5V/div
1V/div
VOLUP
WIPER TRANSITION
FROM -2dB to 0dB
V
H_
= V
DD
V
L_
= 0
WIPER SWITCHING TRANSIENT
(SUPPRESSION CIRCUIT ACTIVE)
MAX5456/7 toc05b
4ms/div
5V/div
2V/div
VOLUP
WIPER TRANSITION
FROM -2dB to 0dB
V
H
_ = SQUARE WAVE FROM
V
DD
TO V
SS
, V
L
_ = V
DD
/ 2
LOGIC SUPPLY CURRENT
vs. LOGIC SUPPLY VOLTAGE
MAX5456/7 toc06a
LOGIC SUPPLY VOLTAGE (V)
LOGIC SUPPLY CURRENT (µA)
20
40
60
80
100
120
140
160
180
200
0
ACTIVE LOGIC SUPPLY
CURRENT
5.2 5.54.2 4.73.73.22.7
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