ltc485cs8-trpbf Linear Technology Corporation, ltc485cs8-trpbf Datasheet - Page 2

• Manufacturer Part Number: ltc485cs8-trpbf
• Description: Low Power Rs485 Interface Transceiver
• Manufacturer: Linear Technology Corporation

temperature range, otherwise specifications are at T
A
LTC485
(Note 1)
Supply Voltage ....................................................... 12V
Control Input Voltages ................... – 0.5V to V
Driver Input Voltage ....................... – 0.5V to V
Driver Output Voltage ........................................... ±14V
Receiver Input Voltage .......................................... ±14V
Receiver Output Voltages .............. – 0.5V to V
Operating Temperature Range
Lead Temperature (Soldering, 10 sec)................. 300°C
SYMBOL
V
V
∆V
V
∆
V
V
I
I
V
∆V
V
V
I
R
2
ELECTRICAL C
IN1
IN2
OZR
OD1
OD2
OC
IH
IL
TH
OH
OL
⏐
IN
BSOLUTE
OD
V
TH
LTC485I ...................................... – 40°C ≤ T
LTC485C ......................................... 0°C ≤ T
LTC485M (OBSOLETE) .......... – 55°C ≤ T
OC
⏐
PARAMETER
Differential Driver Output Voltage (Unloaded)
Differential Driver Output Voltage (with Load)
Change in Magnitude of Driver Differential
Output Voltage for Complementary States
Driver Common Mode Output Voltage
Change in Magnitude of Driver Common-Mode
Output Voltage for Complementary 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
W
A
HARA TERISTICS
XI
W
U
C
W
R
A
TI
U
A
A
= 25°C. V
CC
CC
CC
G
A
A
≤ 125°C
CONDITIONS
I
R = 50Ω (RS422)
R = 27Ω (RS485), Figure 1
R = 27Ω or R = 50Ω, Figure 1
R = 27Ω or R = 50Ω, Figure 1
R = 27Ω or R = 50Ω, Figure 1
DE, DI, RE
DE, DI, RE
DE, DI, RE
DE = 0, V
or 5.25V
– 7V ≤ V
V
I
I
V
– 7V ≤ V
O
O
O
≤ 85°C
≤ 70°C
CM
CC
+ 0.5V
+ 0.5V
+ 0.5V
S
= 0
= – 4mA, V
= 4mA, V
The
= Max, 0.4V ≤ V
= 0V
●
CM
CM
CC
CC
denotes the specifications which apply over the full operating
≤ 12V
≤ 12V
ID
= 5V ±5%, unless otherwise noted. (Notes 2 and 3)
= 0V V
ID
= – 200mV
= 200mV
Consult LTC Marketing for parts specified with wider operating temperature ranges.
PACKAGE/ORDER I FOR ATIO
8-LEAD PLASTIC DIP
V
O
IN
IN
≤ 2.4V
N8 PACKAGE
= 12V
= – 7V
RO
RE
DE
DI
T
T
T
JMAX
JMAX
JMAX
1
2
3
4
8-LEAD CERAMIC DIP
= 125°C, θ
= 150°C, θ
= 155°C, θ
J8 PACKAGE
TOP VIEW
Consider the N8 Package for Alternate Source
OBSOLETE PACKAGE
D
R
JA
JA
8-LEAD PLASTIC SOIC
JA
= 100°C/ W (N)
= 150°C/ W (S)
= 100°C/ W (J)
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
S8 PACKAGE
8
7
6
5
– 0.2
MIN
V
B
A
GND
1.5
3.5
12
CC
2
2
U
TYP
70
S8 PART MARKING
ORDER PART
ORDER PART
LTC485CJ8
LTC485MJ8
LTC485CN8
LTC485CS8
LTC485IN8
LTC485IS8
NUMBER
NUMBER
W
485
485I
MAX
– 0.8
0.2
0.2
0.8
0.2
0.4
±2
±1
±1
5
5
3
sn485 LTC485ffs
UNITS
U
mA
mA
mV
kΩ
µA
µA
V
V
V
V
V
V
V
V
V
V
V