LTC2871IFE#PBF Linear Technology, LTC2871IFE#PBF Datasheet - Page 7

• 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

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