LTC1518 Linear Technology, LTC1518 Datasheet - Page 4

• Manufacturer Part Number: LTC1518
• Description: 52Mbps Precision Delay RS485 Quad Line Receivers
• Manufacturer: Linear Technology

LTC1518/LTC1519
TYPICAL PERFORMANCE CHARACTERISTICS
4
45.0
44.5
44.0
43.0
46.5
46.0
45.5
43.5
42.5
42.0
25
20
15
10
5
0
10
0
CMRR vs Frequency
Supply Current
vs Temperature and Data Rate
1 RECEIVER
SWITCHING
T
V
V
V
A
CM
CM
ID
= 25 C
= 1.5V
= 2.5V
= 2.5V
10
100 C
1k
DATA RATE (Mbps)
FREQUENCY (Hz)
0 C
25
20
15
10
5
0
20
25 C
0.3
Propagation Delay
vs Input Differential Voltage
T
V
0.5
–25 C
A
CM
100k
= 25 C
30
= 2.5V
INPUT DIFFERENTIAL (V)
1.0
W
LTC1518/19 • TPC06
40
10M
1518/19 G01
U
1.5
50
2.0
LTC1518/19 • TPC09
30
25
20
15
10
25
20
15
10
0
5
0
5
–50 –25
5 15 25
Propagation Delay (t
vs Temperature
Propagation Delay
vs Load Capacitance
2.5
V
V
T
V
V
A
CM
ID
CM
ID
= 25 C
= 1.5V
= 1.5V
= 2.5V
= 2.5V
LOAD CAPACITANCE (pF)
35
0
TEMPERATURE ( C)
25
55
50
PLH
105
75
/t
PHL
LTC1518/19 • TPC07
100
)
1518/19 G02
70
60
50
40
30
20
10
0
Maximum Data Rate
vs Input Differential Voltage
0.3
205
125
T
V
0.5
A
CM
= 25 C
= 2.5V
INPUT DIFFERENTIAL (V)
1.0
50
45
40
35
30
25
20
15
10
25
20
15
10
5
0
5
0
–6
Propagation Delay
vs Common Mode
0
Supply Current vs Data Rate
T
V
T
V
V
A
A
ID
CM
ID
–4
1.5
= 25 C
= 25 C
= 1.5V
= 1.5V
= 2.5V
10
–2
4 RECEIVERS
COMMON MODE (V)
SWITCHING
DATA RATE (Mbps)
LTC1518/19 • TPC10
0
2.0
20
2
1 RECEIVER
SWITCHING
2.5
4
30
6
LTC1518/19 • TPC05
8
40
LTC1464 • TPC08
10
12
50