DAC8718 Datasheet, PDF (10/60 Pages) Texas Instruments – Octal, 16-Bit, Low-Power, High-Voltage Output, Serial Input DIGITAL-TO-ANALOG CONVERTER

DAC8718
SBAS467A – MAY 2009 – REVISED DECEMBER 2009
FUNCTIONAL BLOCK DIAGRAM
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IOV_DD DGND DV_DD
AV_DD
AV_SS
REF-A
WAKEUP
SCLK
CS
SDI
SDO
RST
RSTSEL
LDAC
CLR
USB/BTC
GPIO-0
GPIO-1
GPIO-2
AIN-0
AIN-1
DAC8718
Reference
Buffer A
Command
Registers
To DAC-0, DAC-1,
DAC-2, DAC-3
(When Correction Engine Disabled)
OFFSET
DAC A
Analog Monitor
V_OUT-0
V_OUT-7
AIN-0
AIN-1
Ref Buffer A
Ref Buffer B
OFFSET-B
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
(Same Function Blocks
for All Channels)
Reference
Buffer B
OFFSET
DAC B
Power-Up/
Power-Down
Control
V_MON
OFFSET-A
V_OUT-0
AGND-A
OFFSET-B
AGND-B
V_OUT-7
DGND DV_DD
AV_DD
AV_SS
REF-B
Figure 1. Functional Block Diagram
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