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DAC7678SPW Datasheet(PDF) 34 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) 34 Page - Texas Instruments

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DAC7678
SBAS493A – FEBRUARY 2010 – REVISED AUGUST 2010
www.ti.com
Table 18. Control Matrix for Read Commands
COMMAND 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
Input Register
0
0
0
0
0
0
0
0
Data[11:4]
Data[3:0]
X
X
X
X
Read from DAC input register channel A
0
0
0
0
0
0
0
1
Data[11:4]
Data[3:0]
X
X
X
X
Read from DAC input register channel B
0
0
0
0
0
0
1
0
Data[11:4]
Data[3:0]
X
X
X
X
Read from DAC input register channel C
0
0
0
0
0
0
1
1
Data[11:4]
Data[3:0]
X
X
X
X
Read from DAC input register channel D
0
0
0
0
0
1
0
0
Data[11:4]
Data[3:0]
X
X
X
X
Read from DAC input register channel E
0
0
0
0
0
1
0
1
Data[11:4]
Data[3:0]
X
X
X
X
Read from DAC input register channel F
0
0
0
0
0
1
1
0
Data[11:4]
Data[3:0]
X
X
X
X
Read from DAC input register channel G
0
0
0
0
0
1
1
1
Data[11:4]
Data[3:0]
X
X
X
X
Read from DAC input register channel H
0
0
0
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Invalid code
DAC Register
0
0
0
1
0
0
0
0
Data[11:4]
Data[3:0]
X
X
X
X
Read DAC A DAC register
0
0
0
1
0
0
0
1
Data[11:4]
Data[3:0]
X
X
X
X
Read DAC B DAC register
0
0
0
1
0
0
1
0
Data[11:4]
Data[3:0]
X
X
X
X
Read DAC C DAC register
0
0
0
1
0
0
1
1
Data[11:4]
Data[3:0]
X
X
X
X
Read DAC D DAC register
0
0
0
1
0
1
0
0
Data[11:4]
Data[3:0]
X
X
X
X
Read DAC E DAC register
0
0
0
1
0
1
0
1
Data[11:4]
Data[3:0]
X
X
X
X
Read DAC F DAC register
0
0
0
1
0
1
1
0
Data[11:4]
Data[3:0]
X
X
X
X
Read DAC G DAC register
0
0
0
1
0
1
1
1
Data[11:4]
Data[3:0]
X
X
X
X
Read DAC H DAC register
0
0
0
1
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Invalid code
Power Down Register
0
1
0
0
X
X
X
X
0
0
0
0
0
0
PD1
PD0
DAC A
DAC B
DAC C
DAC D
DAC E
DAC F
DAC G
DAC H
Read power down register
Clear Code Register
0
1
0
1
X
X
X
X
0
0
0
0
0
0
0
0
0
0
0
0
0
0
CL1
CL0
Read clear code register
LDAC Register
0
1
1
0
X
X
X
X
0
0
0
0
0
0
0
0
DAC H
DAC G
DAC F
DAC E
DAC D
DAC C
DAC B
DAC A
Read LDAC register
Internal Reference in Regular/Static Mode
1
0
0
0
X
X
X
X
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
AR
Read reference register
Internal Reference in Flexible Mode
1
0
0
1
X
X
X
X
0
0
0
0
0
0
0
0
0
0
0
0
0
TR2
TR1
TR0
Read additional reference register
34
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Copyright © 2010, Texas Instruments Incorporated
Product Folder Link(s): DAC7678



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