參數(shù)資料
型號: LTC1686
廠商: Linear Technology Corporation
英文描述: 52Mbps Precision Delay RS485 Fail-Safe Transceivers
中文描述: 52Mbps的精密延遲485故障安全收發(fā)器
文件頁數(shù): 2/12頁
文件大?。?/td> 285K
代理商: LTC1686
2
LTC1686/LTC1687
A
(Note 1)
Supply Voltage (V
DD
).............................................. 10V
Control Input Currents.................... –100mA to 100mA
Control Input Voltages.................. –0.5V to V
DD
+ 0.5V
Driver Input Voltages.................... –0.5V to V
DD
+ 0.5V
Driver Output Voltages ................................. +12V/–7V
Receiver Input Voltages................................ +12V/–7V
Receiver Output Voltages ............. –0.5V to V
DD
+ 0.5V
Receiver Input Differential ...................................... 10V
U
G
W
A
W
U
W
A
R
BSOLUTE
XI
TI
S
Driver Short-Circuit Duration
(V
OUT
: –7V to 10V)......................................Indefinite
Receiver Short-Circuit Duration
(V
OUT
: 0V to V
DD
) ........................................Indefinite
Operating Temperature Range.................... 0
°
C to 70
°
C
Storage Temperature Range ................ –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)................. 300
°
C
SYMBOL
V
OD1
V
OD2
PARAMETER
Differential Driver Output (Unloaded)
Differential Driver Output (With Load)
CONDITIONS
I
OUT
= 0
R = 50
(RS422)
R = 27
(RS485), Figure 1
R = 27
or 50
, Figure 1
MIN
TYP
MAX
V
DD
UNITS
G
V
V
V
V
2.0
1.5
G
V
DD
0.2
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
V
OC
V
OC
R = 27
or 50
, V
DD
= 5V, Figure 1
R = 27
or 50
, Figure 1
G
2
3
V
V
G
0.2
V
IH
V
IL
I
IN1
I
IN2
D, DE, RE
D, DE, RE
D, DE, RE
V
A
, V
B
= 12V, V
DD
= 0V or 5.25V
V
A
, V
B
= –7V, V
DD
= 0V or 5.25V
–7V
V
CM
12V
G
2
V
V
G
0.8
1
500
G
–1
μ
A
μ
A
μ
A
V
G
G
–500
–0.3
V
TH
Differential Input Threshold Voltage
for Receiver
Receiver Input Hysteresis
Receiver Output High Voltage
G
0.3
V
TH
V
OH
V
CM
= 0V
I
OUT
= –4mA, V
ID
= 300mV
25
4.8
mV
G
3.5
V
Consult factory for Industrial and Military grade parts.
V
DD
= 5V
±
5% unless otherwise noted (Notes 2, 3).
DC ELECTRICAL CHARACTERISTICS
T
JMAX
= 125
°
C,
θ
JA
= 150
°
C/W
U
PACKAGE/ORDER U
LTC1687CS
T
JMAX
= 125
°
C,
θ
JA
= 90
°
C/W
ORDER PART
NUMBER
14
13
12
11
10
9
8
7
6
5
4
3
2
1
TOP VIEW
S PACKAGE
14-LEAD PLASTIC SO
NC
Y
NC
Z
B
NC
V
DD
D
GND
GND
R
RE
DE
A
R
D
ORDER PART
NUMBER
LTC1686CS8
S8 PART MARKING
S8 PACKAGE
8-LEAD PLASTIC SO
1
2
3
4
8
7
6
5
TOP VIEW
V
DD
R
D
GND
A
B
Z
Y
R
D
1686
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