LTC1485IS8#TR Linear Technology, LTC1485IS8#TR Datasheet - Page 2

• Manufacturer Part Number: LTC1485IS8#TR
• Description: IC TXRX BUS/LINE RS485 LP 8SOIC
• Manufacturer: Linear Technology
• Type: Transceiverr

Specifications of LTC1485IS8#TR

• Number Of Drivers/receivers: 1/1
• Protocol: RS422, RS485
• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

A
(Note 1)
Supply Voltage (V
Control Input Voltages ................... – 0.5V to V
Control Input Currents ........................ – 50mA to 50mA
Driver Input Voltages ..................... – 0.5V to V
Driver Input Currents .......................... – 25mA to 25mA
Driver Output Voltages ......................................... 14V
Receiver Input Voltages ........................................ 14V
Receiver Output Voltages .............. – 0.5V to V
Operating Temperature Range
Storage Temperature Range ................ – 65 C to 150 C
Lead Temperature (Soldering, 10 sec.)................ 300 C
D
LTC1485
SYMBOL
V
V
V
V
V
I
I
V
V
V
I
I
R
I
I
I
2
V
IN1
IN2
OZR
CC
OSD1
OSD2
OSR
OD1
OD2
V
OC
| V
INH
INL
TH
V
OH
OL
IN
CC
BSOLUTE
C
OD
TH
LTC1485C .............................................. 0 C to 70 C
LTC1485I .......................................... – 40 C to 85 C
OC
= 5V (Notes 2, 3), unless otherwise noted.
|
ELECTRICAL C
PARAMETER
Differential Driver Output Voltage (Unloaded)
Differential Driver Output Voltage (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
Receiver Output Low Voltage
Three-State Output Current at Receiver
Supply Current
Receiver Input Resistance
Driver Short-Circuit Current, V
Driver Short-Circuit Current, V
Receiver Short-Circuit Current
CC
W
) .............................................. 12V
A
XI
W
HARA TERISTICS
U
OUT
OUT
W
= High
= Low
C
R
A
TI
U
CC
CC
CC
G
+ 0.5V
+ 0.5V
+ 0.5V
S
CONDITIONS
I
R = 50 , (RS422)
R = 27 , (RS485) (Figure 1)
R = 27 or R = 50 (Figure 1)
R = 27 or R = 50 (Figure 1)
R = 27 or R = 50 (Figure 1)
DI, DE, RE
DI, DE, RE
DI, DE, RE
V
V
– 7V V
V
I
I
V
No Load; DI = GND or V
– 7V V
V
V
0V V
O
O
O
CC
CC
CM
CC
O
O
= 0
= – 4mA, V
= 4mA, V
Outputs Enabled
Outputs Disabled
= – 7V
= 10 V
= 0V or 5.25V, V
= 0V or 5.25V, V
= Max 0.4V V
= 0V
O
CM
CM
PACKAGE/ORDER I FOR ATIO
Consult factory for Military grade parts.
V
ID
CC
8-LEAD PLASTIC DIP
ID
12V
12V
= – 0.2V
= 0.2V
N8 PACKAGE
RO
DE
RE
T
T
DI
JMAX
JMAX
O
IN
IN
1
3
4
2
= 125 C,
= 150 C,
= 12V
= – 7V
2.4V
CC
TOP VIEW
D
R
JA
JA
8-LEAD PLASTIC SOIC
= 100 C/ W (N)
= 150 C/ W (S)
S8 PACKAGE
6
8
7
5
V
B
A
GND
CC
– 0.2
MIN
1.5
2.0
3.5
12
2
7
U
TYP
1.8
1.7
60
S8 PART MARKING
5
ORDER PART
LTC1485CN8
LTC1485IN8
LTC1485CS8
LTC1485IS8
NUMBER
W
1485
1485I
– 0.8
MAX
250
250
0.2
0.2
0.8
0.2
0.4
2.3
2.3
85
1.0
V
5
3
2
1
UNITS
U
mA
mA
mV
mA
mA
mA
mA
mA
k
V
V
V
V
V
V
V
A
V
V
V
A