LTC2871CFE#PBF Linear Technology, LTC2871CFE#PBF Datasheet - Page 7
LTC2871CFE#PBF
Manufacturer Part Number
LTC2871CFE#PBF
Description
IC, RS232-RS485 TXRX, 200MBPS, 5.5V, TSSOP-38
Manufacturer
Linear Technology
Datasheet
1.LTC2871CFEPBF.pdf
(36 pages)
Specifications of LTC2871CFE#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
0°C To +70°C
Rohs Compliant
Yes
Ic Interface Type
RS232, RS485
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
TYPICAL PERFORMANCE CHARACTERISTICS
50
40
30
20
10
30
25
20
15
10
35
30
25
20
15
10
5
0
5
0
–50
3
0
V
Voltage in Shutdown Mode
V
vs RS232 Data Rate
RS485 Driver Propagation Delay
vs Temperature
ALL RS232 DRIVERS
AND RECEIVERS
SWITCHING.
2.5nF
CC
CC
Supply Current vs Supply
Supply Current
–25
100
V
V
V
V
3.5
CC
CC
CC
CC
2.5nF
= 3.3V, V
= 5V, V
= 3.3V, V
= 5V, V
TEMPERATURE (°C)
INPUT VOLTAGE (V)
DATA RATE (kbps)
0
200
4
L
L
= 1.7V
= 5V
L
L
= 1.7V
= 3.3V
25
300
H/F HIGH
H/F LOW
4.5
50
V
V
400
CC
CC
5
0.5nF
0.5nF
75
0.05nF
0.05nF
= 5V
= 3.3V
28701 G06
28701 G01
28701 G04
100
500
5.5
120
110
100
3.0
2.5
2.0
1.5
1.0
0.5
90
80
70
0
5
4
3
2
1
–50
3
3
V
Voltage in Fast Enable Mode
V
Voltage, All Transceivers at Max
Rate (LTC2871)
RS485 Driver Skew
vs Temperature
ALL DRIVERS AND RECEIVERS DISABLED
TE485 LOW
ALL DRIVERS AND
RECEIVERS SWITCHING.
DRIVER OUTPUTS TIED TO
RECEIVER INPUTS.
RS232: 0.5Mbps (CL = 500pF)
RS485: 20Mbps (CL = 100pF)
TE485 HIGH
CC
CC
Supply Current vs Supply
Supply Current vs Supply
–25
–40°C
3.5
3.5
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
TEMPERATURE (°C)
0
4
4
85°C
25
4.5
4.5
50
–40°C
85°C
25°C
25°C
5
5
75
28701 G08
28701 G05
28701 G02
T
A
100
5.5
5.5
= 25°C, V
LTC2870/LTC2871
–100
–150
100
150
100
–50
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
80
60
40
20
50
CC
0
0
0
–50
–10
0.1
= V
V
vs RS485 Data Rate
RS485 Driver Differential Output
Voltage vs Temperature
RS485 Driver Short-Circuit
Current vs Short-Circuit Voltage
ALL RS485 DRIVERS
AND RECEIVERS
SWITCHING.
CL = 100pF ON EACH
DRIVER OUTPUT.
CC
TE HIGH
TE LOW
L
OUTPUT LOW
Supply Current
–25
= 3.3V, unless otherwise noted.
V
V
–5
SHORT-CIRCUIT VOLTAGE (V)
CC
CC
R
R
L
L
= 5V
= 3.3V
= 100Ω
= 54Ω
TEMPERATURE (°C)
DATA RATE (Mbps)
1
0
0
25
5
OUTPUT HIGH
10
50
R
R
L
L
= 100Ω
= 54Ω
V
V
V
V
CC
CC
CC
CC
10
75
= 5V
= 3.3V
= 5V
= 3.3V
28701 G03
28701 G06
28701 G09
28701f
7
100
100
15