參數(shù)資料
型號： LTC1484C
廠商： Linear Technology Corporation
英文描述： Low-Power LinCMOS(TM) Quad Comparator 20-LCCC -55 to 125
中文描述： 485低功耗收發(fā)器與接收器故障保險
文件頁數(shù)： 2/16頁
文件大小： 274K
代理商： LTC1484C
2
LTC1484
ABSOLUTE
AXI
U
RATIU
W
(Note 1)
Supply Voltage (V
CC
)............................................... 6.5V
Control Input Voltages ................. –0.3V to (V
CC
+ 0.3V)
Driver Input Voltage ..................... –0.3V to (V
CC
+ 0.3V)
Driver Output Voltages................................. –7V to 10V
Receiver Input Voltages (Driver Disabled) .. –12V to 14V
Receiver Output Voltage............... –0.3V to (V
CC
+ 0.3V)
W
W
Junction Temperature.......................................... 125
°
C
Operating Temperature Range
LTC1484C .........................................0
°
C
≤
T
A
≤
70
°
C
LTC1484I...................................... –40
°
C
≤
T
A
≤
85
°
C
Storage Temperature Range ................. –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec).................. 300
°
C
The
G
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25
°
C. V
CC
= 5V
±
5% (Notes 2 and 3) unless otherwise noted.
SYMBOL
V
OD1
V
OD2
PARAMETER
Differential Driver Output Voltage (Unloaded)
Differential Driver Output Voltage (with Load)
CONDITIONS
I
OUT
= 0
R = 50
(RS422)
R = 27
(RS485) Figure 1
R = 22
, Figure 1
V
TST
= –7V to 12V, Figure 2
MIN
TYP
MAX
V
CC
UNITS
G
V
V
V
V
V
G
G
G
2
1.5
1.5
1.5
5
5
5
V
OD3
Differential Driver Output Voltage
(with Common Mode)
Change in Magnitude of Driver Differential
Output Voltage for Complementary Output States
Driver Common Mode Output Voltage
Change in Magnitude of Driver Common Mode
Output Voltage for Complementary Output States
Input High Voltage
Input Low Voltage
Input Current
Input Current (A, B)
G
V
OD
R = 22
, 27
or R = 50
, Figure 1
V
TST
= –7V to 12V, Figure 2
R = 22
, 27
or R = 50
, Figure 1
R = 22
, 27
or R = 50
, Figure 1
G
0.2
V
V
OC
|V
OC
|
G
3
V
V
G
0.2
V
IH
V
IL
I
IN1
I
IN2
DE, DI, RE
DE, DI, RE
DE, DI, RE
DE = 0, V
CC
= 0 or 5V, V
IN
= 12V
DE = 0, V
CC
= 0 or 5V, V
IN
= –7V
–7V
≤
V
CM
≤
12V, DE = 0
G
2.0
V
V
G
0.8
±
2
1.0
–0.8
–0.015
G
μ
A
mA
mA
G
G
V
TH
Differential Input Threshold Voltage for Receiver
G
–0.20
V
ELECTRICAL CHARACTERISTICS
PACKAGE/ORDER I
FOR
ATIO
W
U
U
ORDER PART
NUMBER
ORDER PART
NUMBER
LTC1484CMS8
LTC1484CN8
LTC1484CS8
LTC1484IN8
LTC1484IS8
S8 PART MARKING
1484
1484I
MS8 PART MARKING
LTDX
T
JMAX
= 125
°
C,
θ
JA
= 200
°
C/W
T
JMAX
= 125
°
C,
θ
JA
= 130
°
C/W (N8)
T
JMAX
= 125
°
C,
θ
JA
= 135
°
C/W (S8)
Consult factory for Military grade parts.
1
2
3
4
RO
RE
DE
DI
8
7
6
5
V
CC
B
A
GND
TOP VIEW
MS8 PACKAGE
8-LEAD PLASTIC MSOP
1
2
3
4
8
7
6
5
TOP VIEW
RO
RE
DE
DI
V
CC
B
A
GND
N8 PACKAGE
8-LEAD PDIP
S8 PACKAGE
8-LEAD PLASTIC SO
R
D
相關(guān)PDF資料
PDF描述
LTC1484CS8 Dual, Micropower, LinCMOS(TM) Voltage Comparator 8-SOIC 0 to 70
LTC1484I Low Power RS485 Transceiver with Receiver Fail-Safe
LTC1484IS8 Low Power RS485 Transceiver with Receiver Fail-Safe
LTC1484CMS8 Low-Power LinCMOS(TM) Quad Comparator 14-CDIP -55 to 125
LTC1484CN8 Low-Power LinCMOS(TM) Quad Comparator 14-CDIP -55 to 125
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