LTC2871IFE#PBF Linear Technology, LTC2871IFE#PBF Datasheet - Page 13

• Manufacturer Part Number: LTC2871IFE#PBF
• Description: IC, RS232-RS485 TXRX, 200MBPS, 5.5V, TSSOP-38
• Manufacturer: Linear Technology

Specifications of LTC2871IFE#PBF

• Device Type: Transceiver
• No. Of Drivers: 2
• Supply Voltage Range: 3V To 5.5V
• Driver Case Style: TSSOP
• No. Of Pins: 38
• Operating Temperature Range: -40°C To +85°C
• Rohs Compliant: Yes
• Ic Interface Type: RS232, RS485

TEST CIRCUITS
Figure 1. RS485 Driver DC Characteristics
DY/DI
GND
OR
V
L
DY/DI
DRIVER
DRIVER
Y
Z
Y
Z
Figure 3. RS485 Receiver Input Current and Resistance (Note 5)
R
DIFF
V
+
–
OD
R
R
Figure 4. RS485 Driver Timing Measurement
L
L
C
C
V
28701 F01
L
L
+
–
OC
+
–
R
I
IN485
IN485
V
IN
=
I
DY/DI
IN485
V
Y - Z
A OR B
B OR A
IN
Y, Z
RECEIVER
V
OD
28701 F03
t
10%
PLHD485
GND
OR
90%
V
L
Figure 2. RS485 Driver Output Current
DY/DI
0V
½V
t
t
SKEWD485
OD
RD485
DRIVER
LTC2870/LTC2871
Y OR Z
Z OR Y
t
PLHD485
I
OZD485
0V
+
–
, I
90%
OSD485
V
28701 F02
10%
OUT
t
FD485
28701 F04
13
V
0V
L
28701f