DAC8734_091 Datasheet, PDF (6/41 Pages) Texas Instruments – Quad, 16-Bit, High-Accuracy, ±16V Output, Serial Input DIGITAL-TO-ANALOG CONVERTER

DAC8734
SBAS465A – MAY 2009 – REVISED SEPTEMBER 2009 .................................................................................................................................................. www.ti.com
FUNCTIONAL BLOCK DIAGRAM
CS
SCLK
SDI
SDO
RST
UNI/BIP-A
UNI/BIP-B
LDAC
GPIO-0
GPIO-1
AIN
IOV_DD DGND DV_DD AGND AV_DD AV_{SS REF-A REFGND-A}
DAC8734
Command
Register
Analog Monitor
Reference
Buffer A
To DAC-0,
DAC-1
AIN
R_FB1-0
R_FB1-1
R_FB1-2
R_FB1-3
R_FB1
R_FB2
Input Data
Register 0
User Calibration:
Zero Register 0
Gain Register 0
DAC-0
Latch-0
LDAC
Power-On/
Power-Down Control
V_MON
R_FB1-0
R_FB2-0
V_OUT-0
SGND-0
DAC-1
R_FB1-1
R_FB2-1
V_OUT-1
SGND-1
DAC-2
R_FB1-2
R_FB2-2
V_OUT-2
SGND-2
Internal Trimming
Zero, Gain, INL
(Same Function Blocks for All Channels)
DAC-3
To DAC-2, DAC-3
Reference
Buffer B
Power-On/
Power-Down
Control
R_FB1-3
R_FB2-3
V_OUT-3
SGND-3
REF-B REFGND-B
6
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