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DAC7678SPW Datasheet(PDF) 5 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) 5 Page - Texas Instruments

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1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
SCL
SDA
GND
V
B
OUT
V
D
OUT
V
F
OUT
V
H
OUT
CLR
LDAC
ADDR0
AV
DD
V
A
OUT
V
C
OUT
V
E
OUT
V
G
OUT
V
/V
REFIN
REFOUT
DAC7678
NC
AV
DD
V
A
OUT
V
C
OUT
V
E
OUT
V
G
OUT
NC
GND
V
B
OUT
V
D
OUT
V
F
OUT
V
H
OUT
1
2
3
4
5
6
18
17
16
15
14
13
DAC7678
7
8
9
10
11
12
24
23
22
21
20
19
(Thermal pad)
1
DAC7678
www.ti.com
SBAS493A – FEBRUARY 2010 – REVISED AUGUST 2010
PIN CONFIGURATIONS
PW PACKAGE
RGE PACKAGE
TSSOP-16
QFN-24
(TOP VIEW)
(TOP VIEW)
(1)
It is recommended to connect the thermal
pad to GND for better thermal dissipation.
PIN DESCRIPTIONS
16-PIN
24-PIN
NAME
DESCRIPTION
1
22
LDAC
Load DACs.
2
11
ADDR0
Three-state address input 0
3
2
AVDD
Power-supply input, 2.7V to 5.5V
4
3
VOUTA
Analog output voltage from DAC A
5
4
VOUTC
Analog output voltage from DAC C
6
5
VOUTE
Analog output voltage from DAC E
7
6
VOUTG
Analog output voltage from DAC G
VREFIN/
8
8
Positive reference input or reference output of 2.5V, if internal reference used.
VREFOUT
9
12
CLR
Asynchronous clear input
10
13
VOUTH
Analog output voltage from DAC H
11
14
VOUTF
Analog output voltage from DAC F
12
15
VOUTD
Analog output voltage from DAC D
13
16
VOUTB
Analog output voltage from DAC B
14
17
GND
Ground reference point for all circuitry on the device
Serial data input. Data are clocked into or out of the input register. This pin is a bidirectional,
15
19
SDA
open-drain data line that should be connected to the supply voltage with an external pull-up resistor.
16
20
SCL
Serial clock input. Data can be transferred at rates up to 3.4MHz. Schmitt-trigger logic input.
—
1
NC
Not internally connected.
—
7
NC
Not internally connected.
—
9
RSTSEL
Reset select pin. RSTSEL high resets device to mid-scale; RSTSEL low resets device to zero-scale.
—
10
ADDR1
Three-state address input 1
—
18
NC
Not internally connected.
Twos complement select. If the TWOC pin is pulled high, the DAC registers use twos complement
—
21
TWOC
format; if TWOC is pulled low, the DAC registers use straight binary format.
—
23
NC
Not internally connected.
—
24
NC
Not internally connected.
Copyright © 2010, Texas Instruments Incorporated
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