SP9841

SP9841/42 8-Bit Octal, 2-Quadrant Multiplying, BiCMOS DAC s Replaces 8 Potentiometers and 8 Op Amps s Operates from Single +5V Supply s 6.3 MHz 2-Quadrant Multiplying Gain Bandwidth s No Signal Inversion s Eight Reference Inputs, Eight Voltage Outputs (SP9841) s Four Reference Inputs, Eight Voltage Outputs (SP9842) www.DataSheet4U.com s 3-Wire Serial Input s 0.8MHz Data Update Rate s +3.25 Volt Output Swing s Midscale Preset s Low 65 mW Power Dissipation (8mW/DAC) DESCRIPTION… The SP9841 and SP9842 are general purpose octal DACs in a single package. The SP9841 features eight individual reference inputs, while the SP9842 provides four pair of voltage reference inputs. Both parts feature 6.3MHz bandwidth, two–quadrant multiplication, and a three–wire serial interface. Other features include midscale preset, no signal inversion and low power dissipation from a single +5V supply. Devices are available in commercial and industrial temperature ranges. DAC A + VINA VOUTA 8 Data Clock Serial Data Input Serial Data Output SERIAL REGISTER 8 8x8 DAC REGISTER – SP9842 Block Diagram DAC A + Preset Load 4 LOGIC 8 8 – VOUTA VINA/B VOUTB VINH DAC H 8 VOUTH Data Clock Serial Data Input Serial Data Output Preset Load 4 LOGIC 8 8 Decoded Address SERIAL REGISTER 8 8x8 DAC REGISTER + DAC B 8 – Decoded Address SP9841 VREF Low SP9841 Block Diagram DAC G + – VOUTG VING/H VOUTH DAC H SP9842 + 8 – VREF Low 267 ABSOLUTE MAXIMUM RATINGS These are stress ratings only and functional o...