LTC1484 Linear Technology, LTC1484 Datasheet - Page 5

• Manufacturer Part Number: LTC1484
• Description: Low Power RS485 Transceiver with Receiver Fail-Safe
• Manufacturer: Linear Technology

TYPICAL PERFOR A CE CHARACTERISTICS
–100
–120
–140
–160
–180
–200
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
–20
–40
–60
–80
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
0
–55 –35 –15
–55 –35 –15
–25
Receiver Input Offset Voltage vs
Temperature
Receiver Output High Voltage vs
Output Current
Receiver Output Low Voltage vs
Temperature
V
V
I
V
OUT
CC
CC
V
CC
CM
= 4.75V
= 5V
= 4.75V
= 8mA
–20
= 0V
OUTPUT CURRENT (mA)
TEMPERATURE ( C)
TEMPERATURE ( C)
5
5
–15
25
25
V
V
45
45
CM
CM
–10
= –7V
= 12V
65
65
W
85 105 125
85 105 125
–5
1484 G04
1484 G10
1484 G07
U
0
–100
–200
–300
–400
100
600
500
400
300
200
100
90
80
70
60
50
40
30
20
10
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
0
–55 –35 –15
–55 –35 –15
Receiver Hysteresis vs
Temperature
Receiver Output Low Voltage vs
Output Current
0
Input Current (A, B) vs
Temperature
V
V
V
CC
CC
CC
= 5V
= 0V OR 5V
= 4.75V
5
OUTPUT CURRENT (mA)
TEMPERATURE ( C)
TEMPERATURE ( C)
5
V
V
5
TH(HIGH)
CM
10
V
V
25
CM
CM
25
= –7V TO 12V
= 12V
= –7V
45
45
– V
15
TH(LOW)
65
65
85 105 125
85 105 125
20
1484 G05
1484 G11
1484 G08
25
–0.02
–0.04
–0.06
–0.08
–0.10
–0.12
–0.14
–0.16
–0.18
–0.20
26.0
25.5
25.0
24.5
24.0
23.5
23.0
22.5
22.0
4.5
4.4
4.3
4.2
4.1
4.0
3.9
3.8
3.7
3.6
3.5
0
–55 –35 –15
–55 –35 –15
4.5
Receiver Input Threshold Voltage
vs Supply Voltage
Receiver Output High Voltage vs
Temperature
Receiver Input Resistance vs
Temperature
V
T
V
V
I
OUT
CC
A
CC
CM
= 25 C
= 0V OR 5V
= 4.75V
= 0V
= –8mA
SUPPLY VOLTAGE (V)
TEMPERATURE ( C)
TEMPERATURE ( C)
4.75
5
5
V
V
25
25
TH(HIGH)
TH(LOW)
LTC1484
45
45
V
V
CM
CM
65
65
5
= 12V
= –7V
85 105 125
85 105 125
1484 G12
1484 G06
1484 G09
5
5.25