LTC485CS8#TRPBF Linear Technology, LTC485CS8#TRPBF Datasheet - Page 6
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LTC485CS8#TRPBF
Manufacturer Part Number
LTC485CS8#TRPBF
Description
IC TXRX INTRFC RS485 LOPWR 8SOIC
Manufacturer
Linear Technology
Type
Transceiverr
Specifications of LTC485CS8#TRPBF
Number Of Drivers/receivers
1/1
Protocol
RS485
Voltage - Supply
4.75 V ~ 5.25 V
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Interface Circuit Standard 1
RS-485
Number Of Receivers
1
Number Of Transmitters
1
Number Of Transceivers
1
Data Transmission Topology
Multipoint
Receiver Signal Type
Differential
Transmitter Signal Type
Differential
Single Supply Voltage (typ)
5V
Single Supply Voltage (min)
4.75V
Single Supply Voltage (max)
5.25V
Dual Supply Voltage (typ)
Not RequiredV
Dual Supply Voltage (min)
Not RequiredV
Dual Supply Voltage (max)
Not RequiredV
Supply Current
0.9mA
Power Supply Requirement
Single
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
8
Package Type
SOIC N
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
SWITCHI G TI E WAVEFOR S
FU CTIO TABLES
LTC485
LTC485 Transmitting
6
RE
X
X
X
X
U
A, B
A, B
A, B
RE
–V
R
R
R
DI
V
V
V
OD2
OD2
INPUTS
V
V
3V
0V
5V
0V
OH
OL
3V
0V
5V
OH
0V
OL
DE
1
1
0
1
U
U
DI
1
0
X
X
W
CONDITION
No Fault
No Fault
Fault
LINE
X
Figure 8. Receiver Enable and Disable Times
t
t
t
t
t
ZH
PHL
ZH
ZL
ZL
Figure 6. Driver Enable and Disable Times
Figure 7. Receiver Propagation Delays
B
0
1
Z
Z
OUTPUTS
1.5V
1.5V
0V
2.3V
2.3V
1.5V
1.5V
W
1.5V
f = 1MHz, t
A
1
0
Z
Z
f = 1MHz, t
f = 1MHz, t
OUTPUT NORMALLY HIGH
OUTPUT NORMALLY LOW
OUTPUT NORMALLY HIGH
OUTPUT NORMALLY LOW
r
r
r
≤ 10ns, t
≤ 10ns, t
≤ 10ns, t
LTC485 Receiving
OUTPUT
INPUT
f
RE
f
f
≤ 10ns
0
0
0
1
≤ 10ns
≤ 10ns
t
t
t
LZ
t
HZ
t
PLH
HZ
LZ
INPUTS
DE
0
0
0
0
1.5V
1.5V
0.5V
0.5V
0.5V
0.5V
1.5V
Inputs Open
≤ – 0.2V
≥ 0.2V
A – B
X
LTC485 • F07
LTC485 • F08
LTC485 • F06
OUTPUTS
sn485 LTC485ffs
R
1
0
1
Z