LTC2871IFE#PBF Linear Technology, LTC2871IFE#PBF Datasheet - Page 8

• 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

LTC2870/LTC2871
TYPICAL PERFORMANCE CHARACTERISTICS
8
5V/DIV
2.0
1.8
1.6
1.4
1.2
1.0
80
70
60
50
40
–50
–50
RS485 Receiver Propagation
Delay vs Temperature
RS232 Receiver Input Threshold
vs Temperature
RS232 Operation at 500kbps
WRAPPING DATA
DOUT LOADS: 5kΩ + 50pF
–25
–25
DIN1
DIN2
V
V
V
V
CC
CC
CC
CC
DOUT2
DOUT1
ROUT1
ROUT2
= 3.3V, V
= 5V, V
= 3.3V, V
= 5V, V
TEMPERATURE (°C)
TEMPERATURE (°C)
0
0
L
L
1μs/DIV
L
= 1.7V
L
= 5V
25
25
= 1.7V
= 3.3V
50
50
INPUT HIGH
INPUT LOW
V
V
CC
CC
75
75
= 5V
= 3.3V
28701 G10
28701 G13
28701 G16
100
100
5V/DIV
1V/DIV
5V/DIV
3.0
2.5
2.0
1.5
1.0
0.5
0
6
5
4
3
2
1
0
–50
0
RS485 Receiver Skew
vs Temperature
RS232 Receiver Output Voltage
vs Load Current
RS485 Operation at 20Mbps
H/F HIGH
Y, Z LOADS: 120Ω (DIFF) + 50pF
–25
DI
2
OUTPUT CURRENT (mA)
Z
Y
TEMPERATURE (°C)
0
4
20ns/DIV
25
RO
6
50
V
V
V
8
L
L
L
75
= 5V
= 3.3V
= 1.7V
28701 G11
28701 G14
28701 G17
T
A
100
= 25°C, V
10
5V/DIV
130
128
126
124
122
120
118
116
114
112
110
CC
6
5
4
3
2
1
0
–50
= V
0
RS485 Receiver Output Voltage
vs Load Current
RS485 Termination Resistance
vs Temperature
LTC2870 Drivers Changing Modes
RS232
MODE
L
485/232
Y
Z
= 3.3V, unless otherwise noted.
–25
V
V
V
2
CM
CM
CM
OUTPUT CURRENT (mA)
= –7V
= 2V
= 12V
TEMPERATURE (°C)
0
4
2μs/DIV
RS485
MODE
25
6
50
RS232
V
V
V
MODE
8
L
L
L
75
= 5V
= 3.3V
= 1.7V
28701 G12
28701 G18
28701 G15
28701f
100
10