LTC491IS Linear Technology, LTC491IS Datasheet - Page 5

• Manufacturer Part Number: LTC491IS
• Description: IC TXRX RS485 LOWPWR DIFF 14SOIC
• Manufacturer: Linear Technology
• Type: Transceiverr

Specifications of LTC491IS

• 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
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

TEST CIRCUITS
D
DRIVER
UNDER TEST
Figure 2. Driver/Receiver Timing Test Circuit
RECEIVER
OUTPUT
OUTPUT
Figure 3. Receiver Timing Test Load
Y
Z
Figure 4. Driver Timing Test Load
Figure 1. Driver DC Test Load
R
DIFF
Y
Z
V
OD2
500
C
C
L
L
LTC491 • F01
R
R
1k
C
C
L1
L2
S1
S2
V
OC
S1
S2
LTC491 • F04
A
B
LTC491 • F03
1k
RECEIVER
V
V
CC
CC
LTC491 • F02
15pF
R
LTC491
5
491fa