DAC7718
DAC7718
DAC7718
www.ti.com
SBAS361A – MAY 2009 – REVISED DECEMBER 2009
Octal, 12-Bit, Low-Power, High-Voltag...
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...