![](http://datasheet.mmic.net.cn/Linear-Technology/LTC1686IS8-TRPBF_datasheet_101502/LTC1686IS8-TRPBF_2.png)
2
LTC1686/LTC1687
A
U
G
W
A
W
U
W
A
R
BSOLUTEXI
TI
S
(Note 1)
Supply Voltage (VDD) .............................................. 10V
Control Input Currents .................... – 100mA to 100mA
Control Input Voltages .................. – 0.5V to VDD + 0.5V
Driver Input Voltages .................... – 0.5V to VDD + 0.5V
Driver Output Voltages ................................. + 12V/– 7V
Receiver Input Voltages ................................ + 12V/– 7V
Receiver Output Voltages ............. – 0.5V to VDD + 0.5V
Receiver Input Differential ...................................... 10V
Driver Short-Circuit Duration
(VOUT: – 7V to 10V) ..................................... Indefinite
Receiver Short-Circuit Duration
(VOUT: 0V to VDD) ........................................ Indefinite
Operating Temperature Range
LTC1686C/LTC1687C ............................. 0
°C to 70°C
LTC1686I/LTC1687I .......................... – 40
°C to 85°C
Storage Temperature Range ................ – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300
°C
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VOD1
Differential Driver Output (Unloaded)
IOUT = 0
q
VDD
V
VOD2
Differential Driver Output (With Load)
R = 50
(RS422)
2.0
V
R = 27
(RS485), Figure 1
q
1.5
VDD
V
VOD
Change in Magnitude of Driver Differential
R = 27
or 50, Figure 1
q
0.2
V
Output Voltage for Complementary
Output States
VOC
Driver Common Mode Output Voltage
R = 27
or 50, VDD = 5V, Figure 1
q
23
V
VOC
Change in Magnitude of Driver Common
R = 27
or 50, Figure 1
q
0.2
V
Mode Output Voltage for Complementary
Output States
VIH
Input High Voltage
D, DE, RE
q
2V
VIL
Input Low Voltage
D, DE, RE
q
0.8
V
IIN1
Input Current
D, DE, RE
q
–1
1
A
IIN2
Input Current (A, B)
VA, VB = 12V, VDD = 0V or 5.25V
q
500
A
VA, VB = – 7V, VDD = 0V or 5.25V
q
– 500
A
VTH
Differential Input Threshold Voltage
– 7V
≤ VCM ≤ 12V
q
– 0.3
0.3
V
for Receiver
VTH
Receiver Input Hysteresis
VCM = 0V
25
mV
VOH
Receiver Output High Voltage
IOUT = – 4mA, VID = 300mV
q
3.5
4.8
V
Consult factory for Industrial and Military grade parts.
VDD = 5V ± 5% unless otherwise noted (Notes 2, 3).
DC ELECTRICAL CHARACTERISTICS
TJMAX = 125°C, θJA = 150°C/ W
WU
U
PACKAGE/ORDER I FOR ATIO
LTC1687CS
LTC1687IS
TJMAX = 125°C, θJA = 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
VDD
D
GND
R
RE
DE
A
R
D
ORDER PART
NUMBER
LTC1686CS8
LTC1686IS8
S8 PART MARKING
S8 PACKAGE
8-LEAD PLASTIC SO
1
2
3
4
8
7
6
5
TOP VIEW
VDD
R
D
GND
A
B
Z
Y
R
D
1686
1686I