DS1882 Ver la hoja de datos (PDF) - Maxim Integrated
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DS1882 Datasheet PDF : 15 Pages
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Dual Log Audio Digital Potentiometer
Pin Description
PIN
NAME
FUNCTION
1
GND
Ground
2
A2
I2C Address Inputs. Inputs A0, A1, and A2 determine the I2C slave address of the device.
3
A1
4
V-
Negative Analog Voltage Supply
5
A0
I2C Address Input. Inputs A0, A1, and A2 determine the I2C 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 I2C communication.
13
SDA
I2C Serial-Data Open-Drain I/O
14
SCL
I2C Serial-Clock Input
15
VCC
Analog Voltage Supply
16
VDD
Digital Voltage Supply
Block Diagram
VDD VCC
SDA
SCL
CONFIGURATION
REGISTER
A2
I2C
A1
A0
INTERFACE
POTENTIOMETER
SETTING
VCC
VDD
GND
V-
CE
REGISTERS
DS1882
GND
V-
POTENTIOMETER 0
VALUE
DECODER
POTENTIOMETER 1
VALUE
H0
H1
W0
W1
ZERO-CROSSING
ZERO-CROSSING
L0
DETECTOR
DETECTOR
L1
UPDATE
UPDATE
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