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DAC7678SPW Datasheet(PDF) 40 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) 40 Page - Texas Instruments

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Pull-Up Resistors
1k
to 10k
(typ)
W
W
Microcontroller or
Microprocessor
with I C Port
2
VDD
5
6
7
8
12
11
10
9
V
D
OUT
V
F
OUT
V
H
OUT
CLR
V
C
OUT
V
E
OUT
V
G
OUT
V
/V
REFIN
REFOUT
DAC7678
Top
View
1
2
3
4
16
15
14
13
SCL
SDA
GND
V
B
OUT
LDAC
ADDR0
AV
DD
V
A
OUT
SCL
SDA
Pull-Up Resistors
1k
to 10k
(typ)
W
W
Microcontroller or
Microprocessor
with I C Port
2
VDD
5
6
7
8
12
11
10
9
V
D
OUT
V
F
OUT
V
H
OUT
CLR
V
C
OUT
V
E
OUT
V
G
OUT
V
/V
REFIN
REFOUT
DAC7678
Top
View
1
2
3
4
16
15
14
13
SCL
SDA
GND
V
B
OUT
LDAC
ADDR0
AV
DD
V
A
OUT
SCL
SDA
VDD
5
6
7
8
12
11
10
9
V
D
OUT
V
F
OUT
V
H
OUT
CLR
V
C
OUT
V
E
OUT
V
G
OUT
V
/V
REFIN
REFOUT
DAC7678
Top
View
1
2
3
4
16
15
14
13
SCL
SDA
GND
V
B
OUT
LDAC
ADDR0
AV
DD
V
A
OUT
5
6
7
8
12
11
10
9
V
D
OUT
V
F
OUT
V
H
OUT
CLR
V
C
OUT
V
E
OUT
V
G
OUT
V
/V
REFIN
REFOUT
DAC7678
Top
View
1
2
3
4
16
15
14
13
SCL
SDA
GND
V
B
OUT
LDAC
ADDR0
AV
DD
V
A
OUT
Leave
Floating
DAC7678
SBAS493A – FEBRUARY 2010 – REVISED AUGUST 2010
www.ti.com
CONNECTING MULTIPLE DEVICES
Multiple
devices
of
DAC7678
family
can
be
connected on the same bus. Using the address pin,
the DAC7678 can be set to one of three different I2C
addresses for the TSSOP package and one of eight
addresses
for
the
QFN
package.
An
example
showing three DAC7678 devices in TSSOP package
is shown if Figure 98. Note that only one set of
pull-up resistors is needed per bus. The pull-up
resistor values may need to be lowered slightly to
compensate for the additional bus capacitance due to
multiple devices and increased bus length.
Figure 97. Typical Connections of the DAC7678
Figure 98. Typical Connections of the Multiple
DAC7678 on the Same Bus
40
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Copyright © 2010, Texas Instruments Incorporated
Product Folder Link(s): DAC7678



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