參數(shù)資料
型號： LTC1487CS8
廠商： LINEAR TECHNOLOGY CORP
元件分類： 通用總線功能
英文描述： Ultra-Low Power RS485 with Low EMI, Shutdown and High Input Impedance
中文描述： LINE TRANSCEIVER, PDSO8
封裝： 0.150 INCH, PLASTIC, SO-8
文件頁數(shù)： 2/8頁
文件大?。?/td> 224K
代理商： LTC1487CS8
2
LTC1487
A
(Note 1)
Supply Voltage (V
CC
) .............................................. 12V
Control Input Voltage..................... –0.5V to V
CC
+ 0.5V
Driver Input Voltage....................... –0.5V to V
CC
+ 0.5V
Driver Output Voltage ...........................................
±
14V
Receiver Input Voltage..........................................
±
14V
Receiver Output Voltage ................ –0.5V to V
CC
+ 0.5V
Operating Temperature Range............. 0
°
C
≤
T
A
≤
70
°
C
Lead Temperature (Soldering, 10 sec)................. 300
°
C
U
G
W
A
W
U
W
A
R
BSOLUTE
XI
TI
S
U
PACKAGE/ORDER U
ORDER PART
NUMBER
LTC1487CN8
LTC1487CS8
S8 PART MARKING
1487
T
JMAX
= 125
°
C,
θ
JA
= 130
°
C/W (N8)
T
JMAX
= 125
°
C,
θ
JA
= 150
°
C/W (S8)
1
2
3
4
8
7
6
5
TOP VIEW
V
CC
B
A
GND
N8 PACKAGE
8-LEAD PDIP
S8
8-LEAD PLASTIC SO
R
D
RO
RE
DE
DI
Consult factory for Industrial and Military grade parts.
ELECTRICAL C
HARA TERISTICS
0
°
C
≤
T
A
≤
70
°
C, V
CC
= 5V (Notes 2, 3) unless otherwise noted.
SYMBOL
V
OD1
V
OD2
PARAMETER
Differential Driver Output Voltage (Unloaded)
Differential Driver Output Voltage (with Load)
CONDITIONS
I
O
= 0
R = 50
(RS422)
R = 27
(RS485), Figure 1
R = 27
or R = 50
, Figure 1
MIN
TYP
MAX
5
UNITS
G
V
V
V
V
G
G
2.0
1.5
5
V
OD
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
0.2
V
OC
V
OC
R = 27
or R = 50
, Figure 1
R = 27
or R = 50
, Figure 1
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
= 0V or 5.25V, V
IN
= 12V
DE = 0, V
CC
= 0V or 5.25V, V
IN
= –7V
–7V
≤
V
CM
≤
12V
V
CM
= 0V
I
O
= –4mA, V
ID
= 200mV
I
O
= 4mA, V
ID
= –200mV
V
CC
= Max, 0.4V
≤
V
O
≤
2.4V
G
2
V
V
G
0.8
±
2
0.30
–0.15
0.2
G
μ
A
mA
mA
G
G
V
TH
V
TH
V
OH
V
OL
I
OZR
Differential Input Threshold Voltage for Receiver
Receiver Input Hysteresis
Receiver Output High Voltage
Receiver Output Low Voltage
Three-State (High Impedance) Output
Current at Receiver
Receiver Input Resistance
Supply Current
G
–0.2
V
G
45
mV
G
3.5
V
V
G
0.4
±
1
G
μ
A
R
IN
I
CC
–7V
≤
V
CM
≤
12V
No Load, Output Enabled
No Load, Output Disabled
DE = 0V, RE = V
CC
–7V
≤
V
O
≤
12V
–7V
≤
V
O
≤
12V
0V
≤
V
O
≤
V
CC
G
70
96
120
80
1
k
μ
A
μ
A
μ
A
mA
mA
mA
G
G
200
120
10
250
250
85
I
SHDN
I
OSD1
I
OSD2
I
OSR
Supply Current in Shutdown Mode
Driver Short-Circuit Current, V
OUT
= HIGH
Driver Short-Circuit Current, V
OUT
= LOW
Receiver Short-Circuit Current
G
35
35
7
G
G
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