LTC491IS#PBF Linear Technology, LTC491IS#PBF Datasheet - Page 4

• Manufacturer Part Number: LTC491IS#PBF
• Description: IC TXRX RS485 LOW POWER 14-SOIC
• Manufacturer: Linear Technology
• Type: Transceiverr

Specifications of LTC491IS#PBF

• 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
• Data Rate: 2.5Mbps
• Interface Circuit Standard 1: RS-422/RS-485
• Number Of Receivers: 1
• Number Of Transmitters: 1
• Number Of Transceivers: 1
• Data Transmission Topology: Multidrop/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: 0.5mA
• Power Supply Requirement: Single
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 14
• Package Type: SOIC N
• No. Of Drivers: 1
• Supply Voltage Range: 4.75V To 5.25V
• Driver Case Style: SOIC
• No. Of Pins: 14
• Operating Temperature Range: -40°C To +85°C
• Msl: MSL 1 - Unlimited
• Termination Type: SMD
• Rohs Compliant: Yes
• Filter Terminals: SMD
• Ic Interface Type: RS422, RS485
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

LTC491
4
TYPICAL PERFOR A CE CHARACTERISTICS
1.63
1.59
1.55
1.61
1.57
– 48
–96
–72
–24
2.3
2.1
1.9
1.7
1.5
0
–50
–50
0
Driver Output High Voltage
vs Output Current, T
TTL Input Threshold vs Temperature
Driver Differential Output Voltage
vs Temperature, R
1
OUTPUT VOLTAGE (V)
0
TEMPERATURE ( C )
0
TEMPERATURE ( C )
2
50
O
50
A
= 54
= 25 C
3
W
LTC491 • TPC04
LTC491 • TPC07
LTC491 • TPC01
100
100
4
U
5.0
4.0
3.0
2.0
1.0
7.0
6.0
5.0
4.0
3.0
48
64
32
16
0
–50
–50
0
Driver Differential Output Voltage
vs Output Current, T
Driver Skew vs Temperature
Receiver t
vs Temperature
1
OUTPUT VOLTAGE (V)
0
0
TEMPERATURE ( C )
TEMPERATURE ( C )
PLH
2
t
PHL
50
50
A
= 25 C
3
LTC491 • TPC02
LTC491 • TPC05
LTC491 • TPC08
100
100
4
350
340
330
320
310
0.8
0.6
0.4
0.2
60
80
40
20
0
0
–50
–50
0
Driver Output Low Voltage
vs Output Current, T
Supply Current vs Temperature
Receiver Output Low Voltage
vs Temperature at I = 8mA
1
OUTPUT VOLTAGE (V)
0
TEMPERATURE ( C )
0
TEMPERATURE ( C )
2
50
50
A
= 25 C
3
LTC491 • TPC03
LTC491 • TPC06
LTC491 • TPC09
100
100
4
491fa