Datasheet

DS1881
Dual NV Audio Taper Digital Potentiometer
6 _____________________________________________________________________
Pin Description
PIN NAME FUNCTION
1 GND Ground
2A2
3A1
I
2
C Address Inputs. Inputs A0, A1, and A2 determine the I
2
C slave address of the device.
4 N.C. No Connection
5A0I
2
C Address Input. Inputs A0, A1, and A2 determine the I
2
C slave address of the device.
6 W0 Wiper Terminal for Potentiometer 0
7 L0 Low Terminal for Potentiometer 0
8 H0 High Terminal for Potentiometer 0
9 L1 Low Terminal for Potentiometer 1
10 H1 High Terminal for Potentiometer 1
11 W1 Wiper Terminal for Potentiometer 1
12 CE Chip Enable. Enables SDA and SCL pins for I
2
C communication.
13 SDA I
2
C Serial-Data Open-Drain I/O
14 SCL I
2
C Serial-Clock Input
15 V
CC
Analog Voltage Supply
16 V
DD
Digital Voltage Supply
THD+N vs. FREQUENCY (0dB)
DS1881 toc12
FREQUENCY (kHz)
THD+N (%)
1010.1
0.0002
0.0004
0.0006
0.0008
0.0010
0.0012
0.0014
0.0016
0.0018
0
0.01 100
CROSSTALK vs. FREQUENCY (-6dB)
DS1881 toc13
FREQUENCY (kHz)
CROSSTALK (dB)
1010.1
-120
-100
-80
-60
-40
-20
0
-140
0.01 100
Typical Operating Characteristics (continued)
(V
DD
= V
CC
= +5.0V, T
A
= +25°C.)