鈥?/div>
Automatic test equipment
Flat-panel displays
Arbitrary function generators
Instrumentation
Process control
DESCRIPTION
The SPT5400 has eight 13-bit voltage output digital-to-
analog converters on one chip. It operates from
鹵5
V
power supplies and has maximum voltage output swings
of up to
鹵4.5
V without the addition of external compo-
nents. Novel circuit topology allows for a guaranteed
monotonicity of 13 bits without the need for additional
circuitry. The SPT5400 has four separate reference volt-
age inputs, one for each pair of DACs. Four separate
analog ground pins allow for separate offset voltages for
each DAC pair. Each DAC can be asynchronously loaded
through a common 13-bit bus into a double-buffered set
of latches. All logic inputs are TTL/CMOS compatible.
The SPT5400 is available in a 44-lead PLCC package
over the commercial temperature range of 0
擄C
to
+70
擄C.
BLOCK DIAGRAM
V
DD
REFAB REFCD
REFEF REFGH
INPUT
LATCH A
DAC
LATCH A
DAC A
鈥?/div>
+
V
OUT
A
AGNDAB
INPUT
LATCH B
DAC
LATCH B
DAC B
鈥?/div>
+
V
OUT
B
INPUT
LATCH C
DAC
LATCH C
DAC C
鈥?/div>
+
V
OUT
C
AGNDCD
INPUT
LATCH D
D12鈥揇0
DATA BUS
INPUT
LATCH E
DAC
LATCH D
DAC D
鈥?/div>
+
V
OUT
D
DAC
LATCH E
DAC E
鈥?/div>
+
V
OUT
E
AGNDEF
INPUT
LATCH F
DAC
LATCH F
DAC F
鈥?/div>
+
V
OUT
F
INPUT
LATCH G
DAC
LATCH G
DAC G
鈥?/div>
+
V
OUT
G
AGNDGH
INPUT
LATCH H
DAC
LATCH H
DAC H
鈥?/div>
+
V
OUT
H
CS
WR
CONTROL
LOGIC
A0鈥揂2
LDAB
LDCD
LDEF
LDGH
CLR
V
SS
GND
SPT5400SCP 產(chǎn)品屬性
Fairchild Semiconductor
8
13 bit
Parallel
+ 70 C
SMD/SMT
PLCC-44
0 C
SPT5400SCP相關(guān)型號(hào)PDF文件下載
-
型號(hào)
版本
描述
廠商
下載
-
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