Analog Devices DAC8841
The DAC-8841 provides eight general purpose digitally controDed voltage adjustment devices. The TrimDAC™ capability replaces the mechanical trimmer function in new designs. It is ideal for ac or dc gain control of up to 1 MHz bandwidth signals.FEATURES
Replaces 8 Potentiometers Operates From Single +5 V Supply 1 MHz 2-Quadrant Muitipiying Bandwidth No Signal Inversion Eight Individual Channels 3-Wire Serial Input 500 kHz Update Data Loading Rate +3 Volt Output Swing Midscale Preset Low 95 mW Power DissipationAPPLICATIONS
Trimmer Replacement Dynamic Level Adjustment Special Waveform Generation and Modulation Programmable Gain AmplifiersGENERAL DESCRIPTION
Internally the DAC-8841 contains eight voltage output CMOS digital-to-analog converters, each wi± separate reference inputs. Each DAC has its own DAC register which holds its output state. These DAC registers are updated from an internal serialto-paralle