DS1881 데이터 시트보기 (PDF) - Maxim Integrated
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DS1881 Datasheet PDF : 16 Pages
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Dual NV Audio Taper Digital Potentiometer
(VDD = VCC = +5.0V, TA = +25°C.)
Typical Operating Characteristics (continued)
POTENTIOMETER 0 (CONFIGURATON 1)
ATTENUATION vs. SETTING
0
POTENTIOMETER 0 (CONFIGURATON 2)
ATTENUATION vs. SETTING
0
POTENTIOMETER 1 (CONFIGURATON 1)
ATTENUATION vs. SETTING
0
-20.0
-20.0
-20.0
-40.0
-40.0
-40.0
-60.0
-60.0
-60.0
-80.0
-80.0
-80.0
-100.0
0
9 18 27 36 45 54 63
SETTING (DEC)
-100.0
0 3 6 9 12 15 18 21 24 27 30 33
SETTING (DEC)
-100.0
0
9 18 27 36 45 54 63
SETTING (DEC)
POTENTIOMETER 1 (CONFIGURATON 2)
ATTENUATION vs. SETTING
0
-20.0
-40.0
-60.0
-80.0
-100.0
0 3 6 9 12 15 18 21 24 27 30 33
SETTING (DEC)
END-TO-END RESISTANCE PERCENT
CHANGE FROM +25°C vs. TEMPERATURE
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
-0.5 POTENTIOMETER 1
-1.0
-1.5
POTENTIOMETER 0
-2.0
-2.5
-40 -20 0 20 40 60 80
TEMPERATURE (°C)
RESISTANCE vs. POWER-UP VOLTAGE
100
HIGH IMPEDANCE
80
60
40
MUTE WHILE
20 EEPROM
LOADS
PROGRAMMED
RESISTANCE (-6dB)
0
0
1
2
3
4
5
POWER-UP VOLTAGE (V)
RESISTANCE
vs. POWER-DOWN VOLTAGE
100
80
60
40
20
MUTE
PROGRAMMED
RESISTANCE (-6dB)
0
0
1
2
3
4
5
POWER-UP VOLTAGE (V)
SUPPLY CURRENT
vs. ZERO-CROSSING TIMING
1000
900
800
700 ZERO-CROSSING
600
DETECTION
ACTIVATED
500
ZERO-CROSSING
TIMEOUT OR ZERO-
CROSSING EVENT
400
300
200
TYPICAL
TIMEOUT
100
OF 50ms
0
TIME (ms)
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