DS1807
FEATURES
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- Operates from 3V or 5V Power Supplies Ultra-low power consumption Two digitally controlled, 65-position potentiometers Logarithmic resistor characteristics (1 d B per step) Zero-crossing detection eliminates noise caused by discrete wiper changes Addressable using 3-Chip Select Inputs Serial/Synchronous Bus Inputs Operating Temperature Range:
- Industrial: -40° C to +85° C Standard Resistance Value: 45 kΩ
PIN ASSIGNMENT
GND A2 A1 A0 W0 L0 H0 1 2 3 4 5 6 7 14 13 12 11 10 9 8 VCC SCL SDA AGND H1 L1 W1
DS1807 14-Pin DIP (300-mil) DS1807E 14-Pin TSSOP (173-mil)
GND A2 A1
1 2 3 4 5 6 7 8
16 15 14 13 12 11 10 9
VCC NC SCL SDA AGND H1 L1 W1
PIN DESCIPTION
L0, L1 H0, H1 W0,W1 VCC A0..A2 SDA SCL GND AGND NC Low End of Resistor High End of Resistor Wiper Terminal of Resistor 3V/5V Power Supply Input Chip Select Inputs Serial Data I/O Serial Clock Input Ground Analog Ground No connection
NC A0 W0 L0 H0
DS1807S 16-Pin SOIC (300-mil) See mech. Drawings...
