LTC1687IS Linear Technology, LTC1687IS Datasheet - Page 2

• Manufacturer Part Number: LTC1687IS
• Description: IC TXRX RS485 PREC DELAY 14-SOIC
• Manufacturer: Linear Technology
• Type: Transceiverr

Specifications of LTC1687IS

• Number Of Drivers/receivers: 1/1
• Protocol: RS422, RS485
• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Surface Mount
• Package / Case: 14-SOIC (3.9mm Width), 14-SOL
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

A
LTC1686/LTC1687
(Note 1)
Supply Voltage (V
Control Input Currents .................... – 100mA to 100mA
Control Input Voltages .................. – 0.5V to V
Driver Input Voltages .................... – 0.5V to V
Driver Output Voltages ................................. + 12V/– 7V
Receiver Input Voltages ................................ + 12V/– 7V
Receiver Output Voltages ............. – 0.5V to V
Receiver Input Differential ...................................... 10V
PACKAGE/ORDER I FOR ATIO
DC ELECTRICAL CHARACTERISTICS
Consult factory for Industrial and Military grade parts.
SYMBOL
V
V
V
V
V
I
I
V
V
2
IN1
IN2
OD1
OD2
OC
IH
IL
TH
OH
V
V
BSOLUTE
OD
TH
V
OC
GND
V
DD
T
R
D
JMAX
PARAMETER
Differential Driver Output (Unloaded)
Differential Driver Output (With Load)
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)
Differential Input Threshold Voltage
for Receiver
Receiver Input Hysteresis
Receiver Output High Voltage
1
2
3
4
8-LEAD PLASTIC SO
= 125 C,
S8 PACKAGE
TOP VIEW
D
R
JA
DD
W
= 150 C/ W
) .............................................. 10V
A
8
7
6
5
XI
A
B
Z
Y
W
U
U
W
S8 PART MARKING
R
ORDER PART
LTC1686CS8
LTC1686IS8
A
NUMBER
W
TI
1686I
1686
CONDITIONS
I
R = 50 (RS422)
R = 27 (RS485), Figure 1
R = 27 or 50 , Figure 1
R = 27 or 50 , V
R = 27 or 50 , Figure 1
D, DE, RE
D, DE, RE
D, DE, RE
V
V
– 7V V
V
I
OUT
OUT
U
A
A
CM
, V
, V
DD
DD
DD
G
= 0
= 0V
= – 4mA, V
B
B
= 12V, V
= – 7V, V
+ 0.5V
+ 0.5V
+ 0.5V
S
CM
U
12V
DD
ID
DD
V
DD
= 300mV
= 0V or 5.25V
= 0V or 5.25V
DD
Driver Short-Circuit Duration
Receiver Short-Circuit Duration
Operating Temperature Range
Storage Temperature Range ................ – 65 C to 150 C
Lead Temperature (Soldering, 10 sec)................. 300 C
= 5V 5% unless otherwise noted (Notes 2, 3).
= 5V, Figure 1
(V
(V
LTC1686C/LTC1687C ............................. 0 C to 70 C
LTC1686I/LTC1687I .......................... – 40 C to 85 C
GND
GND
OUT
OUT
NC
RE
DE
R
D
T
JMAX
1
2
3
4
5
6
7
: – 7V to 10V) ..................................... Indefinite
: 0V to V
14-LEAD PLASTIC SO
= 125 C,
S PACKAGE
TOP VIEW
R
D
JA
DD
= 90 C/ W
) ........................................ Indefinite
14
13
12
11
10
9
8
Y
V
NC
A
B
Z
NC
DD
– 500
– 0.3
MIN
2.0
1.5
3.5
– 1
2
2
TYP
4.8
25
ORDER PART
LTC1687CS
LTC1687IS
NUMBER
MAX
V
V
500
0.2
0.2
0.8
0.3
DD
DD
3
1
UNITS
mV
V
V
V
V
V
V
V
V
A
A
A
V
V