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DAC7568 Datasheet(PDF) 6 Page - Texas Instruments

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Part # DAC7568
Description  12-/14-/16-Bit, Octal-Channel, Ultra-Low Glitch, Voltage Output DIGITAL-TO-ANALOG CONVERTERS with 2.5V, 2ppm/째C Internal Reference
PDF  58 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

DAC7568 Datasheet(HTML) 6 Page - Texas Instruments

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PIN CONFIGURATIONS
1
2
3
4
5
6
7
14
13
12
11
10
9
SCLK
D
IN
GND
V
B
OUT
V
D
OUT
V
F
OUT
V
H
OUT
SYNC
AV
DD
V
A
OUT
V
C
OUT
V
E
OUT
V
G
OUT
V
IN/V
OUT
REF
REF
DAC7568
DAC8168
8
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
SCLK
D
IN
GND
V
B
OUT
V
D
OUT
V
F
OUT
V
H
OUT
CLR
LDAC
SYNC
AV
DD
V
A
OUT
V
C
OUT
V
E
OUT
V
G
OUT
V
IN/V
OUT
REF
REF
DAC7568
DAC8168
DAC8568
DAC7568
DAC8168
DAC8568
SBAS430A – JANUARY 2009 – REVISED APRIL 2009 ..................................................................................................................................................... www.ti.com
PW PACKAGE
PW PACKAGE
TSSOP-16
TSSOP-14
(TOP VIEW)
(TOP VIEW)
PIN DESCRIPTIONS
16-PIN
14-PIN
NAME
DESCRIPTION
1
—
LDAC
Load DACs.
Level-triggered control input (active low). This input is the frame synchronization signal for the input
data. When SYNC goes low, it enables the input shift register, and data are sampled on subsequent
2
1
SYNC
falling clock edges. The DAC output updates following the 32nd clock. If SYNC is taken high before
the 31st clock edge, the rising edge of SYNC acts as an interrupt, and the write sequence is ignored
by the DAC7568/DAC8168/DAC8568. Schmitt-Trigger logic input.
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
7
Positive reference input / reference output 2.5V if internal reference used.(1)
VREFOUT
9
—
CLR
Asynchronous clear input.
10
8
VOUTH
Analog output voltage from DAC H
11
9
VOUTF
Analog output voltage from DAC F
12
10
VOUTD
Analog output voltage from DAC D
13
11
VOUTB
Analog output voltage from DAC B
14
12
GND
Ground reference point for all circuitry on the device
Serial data input. Data are clocked into the 32-bit input shift register on each falling edge of the serial
15
13
DIN
clock input. Schmitt-Trigger logic input.
16
14
SCLK
Serial clock input. Data can be transferred at rates up to 50MHz. Schmitt-Trigger logic input.
(1)
Grades A and B, external VREFIN (max) ≤ AVDD; grades C and D, external VREFIN (max) ≤ AVDD/2.
6
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Copyright © 2009, Texas Instruments Incorporated
Product Folder Link(s): DAC7568 DAC8168 DAC8568



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