Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.NET

X  

Preview PDF HTML

DAC7678SPW Datasheet(PDF) 25 Page - Texas Instruments

Click here to check the latest version.
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
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

DAC7678SPW Datasheet(HTML) 25 Page - Texas Instruments

Back Button DAC7678SPW Datasheet HTML 21Page - Texas Instruments DAC7678SPW Datasheet HTML 22Page - Texas Instruments DAC7678SPW Datasheet HTML 23Page - Texas Instruments DAC7678SPW Datasheet HTML 24Page - Texas Instruments DAC7678SPW Datasheet HTML 25Page - Texas Instruments DAC7678SPW Datasheet HTML 26Page - Texas Instruments DAC7678SPW Datasheet HTML 27Page - Texas Instruments DAC7678SPW Datasheet HTML 28Page - Texas Instruments DAC7678SPW Datasheet HTML 29Page - Texas Instruments Next Button
Zoom Inzoom in Zoom Outzoom out
 25 / 52 page
background image
DAC7678
www.ti.com
SBAS493A – FEBRUARY 2010 – REVISED AUGUST 2010
Flexible Mode (see Table 3, Table 4, Table 5 and
internal reference operating mode. When performing
Table 6)
a power cycle to reset the device, the internal
reference is switched off (default mode). In the
Enabling Internal Reference:
default mode, the internal reference remains powered
Method 1) To enable the internal reference, write the
down until a valid write sequence is applied to power
24-bit serial command shown in Table 3 after
up the internal reference. When the internal reference
properly addressing the device. When performing a
is powered up in flexible mode, it remains powered
power cycle to reset the device, the internal reference
up, regardless of the state of the DACs.
is switched off (default mode). In the default mode,
Disabling Internal Reference:
the internal reference is powered down until a valid
write sequence is applied to power up the internal
To disable the internal reference, write the 24-bit
reference. If the internal reference is powered up, it
serial command shown in Table 5 after properly
automatically powers down when all DACs power
addressing the device. When performing a power
down in any of the power-down modes (see the
cycle to reset the device, the internal reference is
Power Down Modes section). The internal reference
switched off (default mode). When the internal
powers up automatically when any DAC is powered
reference is operated in Flexible mode, Static mode
up.
is disabled and does not work. To switch from
Flexible mode to Static mode, use the command
Method 2) To always enable the internal reference,
shown in Table 6.
write the 24-bit serial command shown in Table 4
after properly addressing the device. When the
internal reference is always enabled, any power-down
command to the DAC channels does not change the
Table 3. Write Sequence for Enabling Internal Reference (Flexible Mode)
(Internal Reference Powered On)
COMMAND AND ACCESS BYTE
MOST SIGNIFICANT DATA BYTE
LEAST SIGNIFICANT BYTE
C3
C2
C1
C0
A3
A2
A1
A0
DB15
DB14
DB13
DB12
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
1
0
0
1
X
X
X
X
X
1
0
0
X
X
X
X
X
X
X
X
X
X
X
X
Table 4. Write Sequence for Enabling Internal Reference (Flexible Mode)
(Internal Reference Always Powered On)
COMMAND AND ACCESS BYTE
MOST SIGNIFICANT DATA BYTE
LEAST SIGNIFICANT BYTE
C3
C2
C1
C0
A3
A2
A1
A0
DB15
DB14
DB13
DB12
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
1
0
0
1
X
X
X
X
X
1
0
1
X
X
X
X
X
X
X
X
X
X
X
X
Table 5. Write Sequence for Disabling Internal Reference (Flexible Mode)
(Internal Reference Always Powered Down)
COMMAND AND ACCESS BYTE
MOST SIGNIFICANT DATA BYTE
LEAST SIGNIFICANT BYTE
C3
C2
C1
C0
A3
A2
A1
A0
DB15
DB14
DB13
DB12
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
1
0
0
1
X
X
X
X
X
1
1
0
X
X
X
X
X
X
X
0
X
X
X
X
Table 6. Write Sequence for Switching from Flexible Mode to Static Mode for Internal Reference
COMMAND AND ACCESS BYTE
MOST SIGNIFICANT DATA BYTE
LEAST SIGNIFICANT BYTE
C3
C2
C1
C0
A3
A2
A1
A0
DB15
DB14
DB13
DB12
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
1
0
0
1
X
X
X
X
X
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Copyright © 2010, Texas Instruments Incorporated
Submit Documentation Feedback
25
Product Folder Link(s): DAC7678



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52


Datasheet Download

Go To PDF Page


Link URL



Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Link to Datasheet    |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com