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DAC7678SPW Datasheet(PDF) 33 Page - Texas Instruments

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Part # DAC7678SPW
Description  12-Bit, Octal-Channel, Ultra-Low Glitch, Voltage Output, Two-Wire Interface Digital-to-Analog Converter with 2.5V Internal Reference
PDF  52 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

DAC7678SPW Datasheet(HTML) 33 Page - Texas Instruments

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DAC7678
www.ti.com
SBAS493A – FEBRUARY 2010 – REVISED AUGUST 2010
Table 17. Control Matrix for Write Commands (continued)
COMMAND AND ACCESS BYTE
MOST SIGNIFICANT DATA BYTE
LEAST SIGNIFICANT DATA BYTE
DESCRIPTION
C3
C2
C1
C0
A3
A2
A1
A0
DB15
DB14
DB13
DB12
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
Software Reset
Software reset (default). Equivalent to power-on
0
1
1
1
X
X
X
X
0
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
reset (POR).
Software reset that sets device into High-Speed
0
1
1
1
X
X
X
X
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
mode
Software reset that maintains High-Speed mode
0
1
1
1
X
X
X
X
1
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
state
Internal Reference in Regular/Static Mode
1
0
0
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
AR
X
X
X
X
1
0
0
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
X
X
X
X
Disable internal reference (Regular/Static mode)
X
Enable internal reference (Regular/Static mode). If
1
0
0
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
1
X
X
X
any DACs are powered on, the reference is on. If
all DACS are powered down, then reference is off.
Internal Reference in Flexible Mode
1
0
0
1
X
X
X
X
X
TR2
TR1
TR0
X
X
X
X
X
X
X
X
X
X
X
X
Reference powers down when all DACs power
1
0
0
1
X
X
X
X
X
1
0
0
X
X
X
X
X
X
X
X
X
X
X
X
down. Reference powers on when any DACs are
powered on.
Reference is powered on regardless of DAC power
1
0
0
1
X
X
X
X
X
1
0
1
X
X
X
X
X
X
X
X
X
X
X
X
state
Reference is powered down regardless of DAC
1
0
0
1
X
X
X
X
X
1
1
0
X
X
X
X
X
X
X
X
X
X
X
X
power state
Reference follows Regular/Static mode reference
1
0
0
1
X
X
X
X
X
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
register
Copyright © 2010, Texas Instruments Incorporated
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