LTC1487 LINER [Linear Technology], LTC1487 Datasheet - Page 2

• Manufacturer Part Number: LTC1487
• Description: Ultra-Low Power RS485 with Low EMI, Shutdown and High Input Impedance
• Manufacturer: LINER [Linear Technology]

A
(Note 1)
Supply Voltage (V
Control Input Voltage ..................... – 0.5V to V
Driver Input Voltage ....................... – 0.5V to V
Driver Output Voltage ........................................... 14V
Receiver Input Voltage .......................................... 14V
Receiver Output Voltage ................ – 0.5V to V
Operating Temperature Range ............. 0 C T
Lead Temperature (Soldering, 10 sec)................. 300 C
LTC1487
SYMBOL
V
V
V
V
V
I
I
V
V
V
I
R
I
I
I
I
2
ELECTRICAL C
IN1
IN2
OZR
I
SHDN
OSD1
OSD2
OSR
CC
OD1
OD2
OC
IH
IL
TH
OH
OL
V
V
IN
BSOLUTE
OD
V
TH
OC
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 (High Impedance) Output
Current at Receiver
Receiver Input Resistance
Supply Current
Supply Current in Shutdown Mode
Driver Short-Circuit Current, V
Driver Short-Circuit Current, V
Receiver Short-Circuit Current
CC
W
) .............................................. 12V
A
HARA TERISTICS
XI
W
U
C
OUT
OUT
W
= HIGH
= LOW
R
A
TI
U
CC
CC
CC
G
A
+ 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
DE, DI, RE
DE, DI, RE
DE, DI, RE
DE = 0, V
DE = 0, V
– 7V V
V
I
I
V
– 7V V
No Load, Output Enabled
No Load, Output Disabled
DE = 0V, RE = V
– 7V V
– 7V V
0V V
O
O
O
70 C
0 C T
CM
CC
= 0
= – 4mA, V
= 4mA, V
= Max, 0.4V V
= 0V
O
CM
CM
O
O
CC
CC
A
V
ID
= 0V or 5.25V, V
= 0V or 5.25V, V
12V
12V
CC
PACKAGE/ORDER I FOR ATIO
Consult factory for Industrial and Military grade parts.
ID
12V
12V
70 C, V
= – 200mV
= 200mV
CC
O
N8 PACKAGE
8-LEAD PDIP
T
T
RO
RE
DE
CC
DI
JMAX
JMAX
2.4V
= 5V (Notes 2, 3) unless otherwise noted.
1
2
3
4
= 125 C,
= 125 C,
IN
IN
= 12V
= – 7V
TOP VIEW
D
JA
JA
R
= 130 C/ W (N8)
= 150 C/ W (S8)
8-LEAD PLASTIC SO
S8 PACKAGE
8
7
6
5
– 0.2
MIN
2.0
1.5
3.5
V
B
A
GND
70
35
35
2
7
CC
U
TYP
120
45
96
80
S8 PART MARKING
1
ORDER PART
LTC1487CN8
LTC1487CS8
W
NUMBER
1487
– 0.15
MAX
200
120
250
250
0.2
0.2
0.8
0.2
0.4
0.30
10
85
5
5
3
2
1
UNITS
U
mA
mA
mV
mA
mA
mA
k
V
V
V
V
V
V
V
V
A
V
V
V
A
A
A
A