參數(shù)資料
型號(hào): LTC1450LIN
廠商: LINEAR TECHNOLOGY CORP
元件分類: DAC
英文描述: Parallel Input, 12-Bit Rail-to-Rail Micropower DACs in SSOP
中文描述: PARALLEL, WORD INPUT LOADING, 14 us SETTLING TIME, 12-BIT DAC, PDIP24
封裝: 0.300 INCH, PLASTIC, DIP-24
文件頁(yè)數(shù): 12/16頁(yè)
文件大?。?/td> 325K
代理商: LTC1450LIN
12
LTC1450/LTC1450L
TYPICAL APPLICATIO
S
N
U
Bipolar Output 12-Bit DAC
LTC1450
V
OUT
V
DAC
V
REF
DATA (0:11)
CSLSB
CSMSB
WR
LDAC
CLR
V
CC
REFOUT
GND
REFHI
R3
20k
R6
20k
I
–2.048mA TO 2.047mA
(1
μ
A/LSB)
I
OUT
=
Z
OUT
=
R1 = R3
R2 = R4 + R5
4.096 – V
REF
REFLO
X1/X2
D
IN
FROM
μ
P
DATA BUS
FROM
μ
P AND
DECODE LOGIC
FROM
SYSTEM RESET
V
CC
0.1
μ
F
LTC1450/50L TA06
+
R4
21.5k
15V
–15V
LT1097
2
3
7
4
6
R1
20k
R2
22.6k
R5
1.13k
(R1)(R5)(R3 + R4)
(R2)(R3) – R1(R4 + R5)
D
IN
4096
R2
(R1)(R5)
(
)
2.047mA
–2.048mA
4095
2048
I
OUT
D
IN
Digitally Programmable Bilateral Current Source/Sink
LTC1450
V
OUT
V
DAC
*REFLO IS TIED TO REFOUT AND
REFHI IS TIED TO GND
TYING REFLO TO REFOUT AND REFHI TO GND IN THIS
APPLICATION OVERCOMES THE NEED FOR A PULL-DOWN
RESISTOR ON THE REFOUT PIN. REFOUT SEES A CONSTANT
LOAD TO GND INDEPENDENT OF V
OUT
V
REF
DATA (0:11)
CSLSB
CSMSB
WR
LDAC
CLR
V
CC
REFOUT
GND
REFLO*
10k
10k
V
OUT
–2.048V TO 2.047V
(1mV/LSB)
V
OUT
= 2.048 +
4.096
REFHI*
X1/X2
D
IN
FROM
μ
P
DATA BUS
FROM
μ
P AND
DECODE LOGIC
FROM
SYSTEM RESET
5V
0.1
μ
F
LTC1450/50L TA05
+
10k
D
IN
– 4096
4096
5V
–5V
LT
1097
3
2
7
4
6
10k
(
)
2.047V
–2.048V
4095
2048
V
OUT
D
IN
相關(guān)PDF資料
PDF描述
LTC1450L Parallel Input, 12-Bit Rail-to-Rail Voltage Output Micropower DACs in SSOP(并行輸入,12位滿幅度微功耗電壓輸出數(shù)模轉(zhuǎn)換器(SSOP封裝))
LTC1451CN8 12-Bit Rail-to-Rail Micropower DACs in SO-8
LTC1451IN8 12-Bit Rail-to-Rail Micropower DACs in SO-8
LTC1452IN8 CAP,SMD,ALUM,100UF,50V,20%,10X10.2
LTC1453IN8 12-Bit Rail-to-Rail Micropower DACs in SO-8
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