參數(shù)資料
型號(hào): LTC1458L
廠商: Linear Technology Corporation
英文描述: Dual General Purpose LinCMOS(TM) Differential Comparator 8-PDIP 0 to 70
中文描述: 四路12位軌至軌微數(shù)模轉(zhuǎn)換器
文件頁數(shù): 2/12頁
文件大?。?/td> 248K
代理商: LTC1458L
2
LTC1458/LTC1458L
ABSOLUTE
AXI
U
RATIU
W
V
CC
to GND.............................................. –0.5V to 7.5V
Logic Inputs to GND ................................ –0.5V to 7.5V
V
OUT A
, V
OUT B
, V
OUT C
, V
OUT D
,
X1/X2 A, X1/X2 B, X1/X2 C,
X1/X2 D ......................................... –0.5V to V
CC
+ 0.5V
REFHI A, REFHI B, REFHI C, REFHI D,
REFLO A, REFLO B, REFLO C,
REFLO D ........................................ –0.5V to V
CC
+ 0.5V
Maximum Junction Temperature......................... 125
°
C
Operating Temperature Range
LTC1458C/LTC1458LC..........................0
°
C to 70
°
C
LTC1458I/LTC1458LI ...................... –40
°
C to 85
°
C
Storage Temperature Range ................ –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)................. 300
°
C
W
W
U
PACKAGE/ORDER U
ELECTRICAL CHARACTERISTICS
V
CC
= 4.5V to 5.5V (LTC1458), 2.7V to 5.5V (LTC1458L), X1/X2 = REFLO = GND, REFHI = REFOUT, V
OUT
unloaded, T
A
= T
MIN
to T
MAX
,
unless otherwise noted.
ORDER PART
NUMBER
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
G PACKAGE
28-LEAD PLASTIC SSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V
CC
X1/X2 B
V
OUT B
CLR
REFHI B
GND
REFLO B
REFLO A
REFHI A
REFOUT
NC
V
OUT A
X1/X2 A
V
CC
X1/X2 C
V
OUT C
CS/LD
D
IN
REFHI C
GND
REFLO C
REFLO D
REFHI D
D
OUT
CLK
NC
V
OUT D
X1/X2 D
SW PACKAGE
28-LEAD PLASTIC SO WIDE
T
JMAX
= 125
°
C,
θ
JA
= 100
°
C/W (G)
T
JMAX
= 125
°
C,
θ
JA
= 150
°
C/W (SW)
LTC1458CG
LTC1458CSW
LTC1458LCG
LTC1458LCSW
Consult factory for Military grade parts.
SYMBOL
DAC
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Resolution
Differential Nonlinearity
Integral Nonlinearity
G
12
Bits
LSB
LSB
LSB
mV
mV
μ
V/
°
C
DNL
INL
Guaranteed Monotonic (Note 1)
T
A
= 25
°
C
(Note 1)
T
A
= 25
°
C
G
±
0.5
±
4.0
±
4.5
±
12
±
18
±
1.75
±
2.25
±
3.0
±
6.0
±
15
G
V
OS
Offset Error
G
V
OS
TC
Offset Error Temperature
Coefficient
Full-Scale Voltage
V
FS
When Using Internal Reference, LTC1458, T
A
= 25
°
C
LTC1458
When Using Internal Reference, LTC1458L, T
A
= 25
°
C
LTC1458L
When Using Internal Reference
4.065
4.045
2.470
2.460
4.095
4.095
2.500
2.500
±
24
4.125
4.145
2.530
2.540
V
V
V
V
G
G
V
FS
TC
Full-Scale Voltage
Temperature Coefficient
ppm/
°
C
Reference
Reference Output Voltage
LTC1458
LTC1458L
G
G
2.008
1.195
2.048
1.220
±
20
2.088
1.245
V
V
Reference Output
Temperature Coefficient
Reference Line Regulation
Reference Load Regulation
ppm/
°
C
G
0.7
0.2
0.6
V
CC
/2
24
±
2.0
1.5
3.0
LSB/V
LSB
LSB
0
I
OUT
100
μ
A, LTC1458
LTC1458L
V
REFHI
V
CC
– 1.5V
G
G
Reference Input Range
Reference Input Resistance
V
G
15
40
k
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