Datasheet

DS1881
Dual NV Audio Taper Digital Potentiometer
_____________________________________________________________________ 5
POTENTIOMETER 0 (CONFIGURATON 1)
ATTENUATION vs. SETTING
DS1881 toc04
SETTING (DEC)
ATTENUATION (dB)
54453627189
-80.0
-60.0
-40.0
-20.0
0
-100.0
063
POTENTIOMETER 0 (CONFIGURATON 2)
ATTENUATION vs. SETTING
DS1881 toc05
SETTING (DEC)
ATTENUATION (dB)
302418126
-80.0
-60.0
-40.0
-20.0
0
-100.0
03327211593
POTENTIOMETER 1 (CONFIGURATON 1)
ATTENUATION vs. SETTING
DS1881 toc06
SETTING (DEC)
ATTENUATION (dB)
543618
-80.0
-60.0
-40.0
-20.0
0
-100.0
06345279
POTENTIOMETER 1 (CONFIGURATON 2)
ATTENUATION vs. SETTING
DS1881 toc07
SETTING (DEC)
ATTENUATION (dB)
302418126
-80.0
-60.0
-40.0
-20.0
0
-100.0
03327211593
END-TO-END RESISTANCE PERCENT
CHANGE FROM +25°C vs. TEMPERATURE
DS1881 toc08
TEMPERATURE (°C)
RESISTANCE % CHANGE (FROM +25°C)
40200-20
-2.0
-1.5
-0.5
-1.0
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
-2.5
-40 8060
POTENTIOMETER 1
POTENTIOMETER 0
RESISTANCE
vs. POWER-DOWN VOLTAGE
DS1881 toc10
POWER-UP VOLTAGE (V)
RESISTANCE (kΩ)
54321
20
40
60
80
100
0
0
PROGRAMMED
RESISTANCE (-6dB)
MUTE
SUPPLY CURRENT
vs. ZERO-CROSSING TIMING
DS1881 toc11
TIME (ms)
I
CC
(µA)
100
200
300
400
500
600
700
800
900
1000
0
ZERO-CROSSING
TIMEOUT OR ZERO-
CROSSING EVENT
ZERO-CROSSING
DETECTION
ACTIVATED
TYPICAL
TIMEOUT
OF 50ms
Typical Operating Characteristics (continued)
(V
DD
= V
CC
= +5.0V, T
A
= +25°C.)
RESISTANCE vs. POWER-UP VOLTAGE
DS1881 toc09
POWER-UP VOLTAGE (V)
RESISTANCE (kΩ)
54321
20
40
60
80
100
0
0
HIGH IMPEDANCE
PROGRAMMED
RESISTANCE (-6dB)
MUTE WHILE
EEPROM
LOADS