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5 V 18-Bit nanoDACTM in a SOT-23 AD5680
FEATURES
Single 18-bit nanoDAC 18-bit monotonic 12-bit accuracy guaranteed Tiny 8-lead SOT-23 package Power-on reset to zero scale/midscale 4.5 V to 5.5 V power supply Serial interface Rail-to-rail operation SYNC interrupt facility Temperature range −40°C to +105°C
FUNCTIONAL BLOCK DIAGRAM
VREF GND VDD VFB
POWER-ON RESET OUTPUT BUFFER
DAC REGISTER
REF(+) 18-BIT DAC
VOUT
INPUT CONTROL LOGIC
Closed-loop process control Low bandwidth data acquisition systems Portable battery-powered instruments Gain and offset adjustment Precision setpoint control
SYNC
SCLK
DIN
Figure 1.
GENERAL DESCRIPTION
The AD5680, a member of the nanoDAC family, is a single, 18-bit buffered voltage-out DAC that operates from a single 4.5 V to 5.