DAC7718

DAC7718 DAC7718 DAC7718 www.ti.com SBAS361A – MAY 2009 – REVISED DECEMBER 2009 Octal, 12-Bit, Low-Power, High-Voltage Output, Serial Input DIGITAL-TO-ANALOG CONVERTER Check for Samples: DAC7718 FEATURES 1 2345 Bipolar Output: ±2V to ±16.5V Unipolar Output: 0V to +33V 12-Bit Resolution Low Power: 14.4mW/Ch (Bipolar Supply) Relative Accuracy: 1 LSB Max Low Zero/Full-Scale Error: ±1 LSB Max Flexible System Calibration Low Glitch: 4nV-s Settling Time: 15ms Channel Monitor Output Programmable Gain: x4/x6 Programmable Offset SPI™: Up to 50MHz, 1.8V/3V/5V Logic Schmitt Trigger Inputs Daisy-Chain with Sleep Mode Enhancement Packages: QFN-48 (7x7mm), TQFP-64 (10x10mm) APPLICATIONS Automatic Test Equipment PLC and Industrial Process Control Communications IOVDD DGND DVDD AVDD AVSS REF-A WAKEUP SCLK CS SDI SDO RST RSTSEL LDAC CLR USB/BTC GPIO-0 GPIO-1 GPIO-2 AIN-0 AIN-1 DAC7718 Reference Buffer A Command Registers To DAC-0, DAC-1, DAC-2, DAC-3 (When Correction Engine Disabled) OFFSET DAC A Analog Monitor VOUT-0 VOUT-7 AIN-0 AIN-1 Ref Buffer A Ref Buffer B OFFSET-B Mux SPI Shift Register Input Data Register 0 Correction Engine User Calibration: Zero Register 0 Gain Regsiter 0 DAC-0 Data DAC-0 Latch-0 LDAC To DAC-0, DAC-1, DAC-2, DAC-3 Internal Trimming Zero/Gain; INL To DAC-4, DAC-5, DAC-6, DAC-7 Control Logic (Same Function Blocks for All Channels) Reference Buffer B OFFSET DAC B Power-Up/ Power-Down Control VMON OF...