Rainbow Electronics MAX5457 - Manual (Page 4)

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 (
Ω
)
4.5 3.5 4.0 1.5 2.0 2.5 3.0 1.0
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)
28 24 20 16 12 8 4
-60
-50
-40
-30
-20
-10
0
-70
0 32
END-TO-END RESISTANCE % CHANGE
vs. TEMPERATURE
MAX5456/7 tpc03
TEMPERATURE ( °C)
END-TO-END RESISTANCE CHANGE (%)
60 35 10 -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 (
µ
A)
185
190
195
200
210
205
215
220
180
MAX5456/7 toc04
TEMPERATURE ( °C)
60 35 10 -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 (
µ
A)
20
40
60
80
100
120
140
160
180
200
0
ACTIVE LOGIC SUPPLY
CURRENT
5.2 5.5 4.2 4.7 3.7 3.2 2.7