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DS1806S-010 Datasheet(PDF) 1 Page - Dallas Semiconductor |
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DS1806S-010 Datasheet(HTML) 1 Page - Dallas Semiconductor |
1 / 8 page 1 of 8 102199 FEATURES § Six digitally controlled 64-position potentiometers § 3-wire serial port provides for reading and setting each potentiometer § Devices can be cascaded for single processor multi-device control § Standard resistance values: - DS1806-010 10 k Ω - DS1806-050 50 k Ω - DS1806-100 100 k Ω § Operating Temperature Range: - Industrial temperature: -40 °C to +85°C PIN DESCIPTION VCC - 3V or 5V Supply RST - Serial Port Reset Input DIN - Serial Port Data Input CLK - Serial Port Clock Input COUT - Cascade Data Output H1 - H6 - High End terminal of Pot W1 - W6 - Wiper Terminal of Pot GND - Ground L1-3 - Low Terminal Pots 1 through 3 L4-6 - Low Terminal Pots 4 through 6 PIN ASSIGNMENT DESCRIPTION The DS1806 Digital Sextet Potentiometer is a six-channel, digitally controlled, solid-state linear potentiometer. Each potentiometer is comprised of 63 equiresistive sections as illustrated in the block diagram of Figure 1. Each potentiometer has three terminals accessible to the user. These include the high side terminals, HX, the wiper terminals, WX, and the low-end terminals, L1-3 and L4-6. Potentiometers 1 through 3 share the same low-end terminal L1-3; likewise, potentiometers 4 through 6 share the low-end terminal L4-6. Each wiper’s position is selected via an 8-bit register value. Communication and control of the device is accomplished via a 3-wire serial port interface. This interface in conjunction with a cascade output allows the value of the device wiper settings to be read. DS1806 Digital Sextet Potentiometer www.dalsemi.com W1 1 20 VCC W2 2 19 H1 L1-3 3 18 H2 W3 4 17 H3 W4 5 16 H4 L4-6 6 15 H5 W6 7 14 W5 RST 8 13 H6 CLK 9 12 DIN GND 10 11 COUT DS1806 20-Pin DIP (300-mil) DS1806S 20-Pin SOIC (300-mil) DS1806E 20-Pin TSSOP (173-mil) See Mech. Drawings Section |
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