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LTC1518CS#TRPBF

P1-P3P4-P6P7-P9P10-P12
4
LTC1518/LTC1519
CMRR vs Frequency Supply Current vs Data Rate
Supply Current
vs Temperature and Data Rate
Propagation Delay
vs Common Mode
Maximum Data Rate
vs Input Differential Voltage
Propagation Delay
vs Load Capacitance
Propagation Delay (t
PLH
/t
PHL
)
vs Temperature
Propagation Delay
vs Input Differential Voltage
FREQUENCY (Hz)
10
42.0
COMMON MODE REJECTION RATIO (dB)
42.5
43.5
44.0
44.5
46.5
15189 G01
43.0
1k 100k 10M
45.0
45.5
46.0
T
A
= 25°C
V
CM
= 2.5V
TEMPERATURE (°C)
–50 –25
0
PROPAGATION DELAY (ns)
10
25
0
50
75
15189 G02
5
20
15
25
100
125
V
CM
= 2.5V
V
ID
= 1.5V
DATA RATE (Mbps)
0
SUPPLY CURRENT (mA)
50
45
40
35
30
25
20
15
10
5
0
40
15189 G03
10
20
30
50
T
A
= 25°C
V
CM
= 2.5V
V
ID
= 1.5V
4 RECEIVERS
SWITCHING
1 RECEIVER
SWITCHING
DATA RATE (Mbps)
0
SUPPLY CURRENT (mA)
30
25
20
15
10
5
0
40
15189 G04
10
20
30
50
V
CM
= 2.5V
V
ID
= 1.5V
1 RECEIVER
SWITCHING
100°C
25°C
0°C
–25°C
–50°C
LOAD CAPACITANCE (pF)
5 15 25 35 55 105 205
PROPAGATION DELAY (ns)
30
25
20
15
10
5
0
15189 G05
T
A
= 25°C
V
CM
= 2.5V
V
ID
= 1.5V
COMMON MODE (V)
–6
PROPAGATION DELAY (ns)
25
20
15
10
5
0
–2
2
412
15189 G06
–4 0
6
8
10
T
A
= 25°C
V
ID
= 1.5V
INPUT DIFFERENTIAL (V)
0.3
PROPAGATION DELAY (ns)
25
20
15
10
5
0
0.5 1.0 1.5 2.0
15189 G07
2.5
T
A
= 25°C
V
CM
= 2.5V
INPUT DIFFERENTIAL (V)
0.3
DATA RATE (Mbps)
70
60
50
40
30
20
10
0
0.5 1.0 1.5 2.0
15189 G08
2.5
T
A
= 25°C
V
CM
= 2.5V
TYPICAL PERFOR A CE CHARACTERISTICS
UW
5
LTC1518/LTC1519
LTC1518
B1 (Pin 1): Receiver 1 Inverting Input.
A1 (Pin 2): Receiver 1 Noninverting Input.
OUT 1 (Pin 3): Receiver 1 Output.
EN (Pin 4): A high enables all outputs; a low on Pin 4 and
a high on Pin 12 will put all outputs into a high impedance
state. Do not float.
OUT 2 (Pin 5): Receiver 2 Output.
A2 (Pin 6): Receiver 2 Noninverting Input.
B2 (Pin 7): Receiver 2 Inverting Input.
GND (Pin 8): Ground Pin. A ground plane is recommended
for all LTC1518 applications.
B3 (Pin 9): Receiver 3 Inverting Input.
A3 (Pin 10): Receiver 3 Noninverting Input.
OUT 3 (Pin 11): Receiver 3 Output.
EN (Pin 12):
A low enables all outputs; a low on Pin 4 and
a high on Pin 12 will put all outputs into a high impedance
state. Do not float.
OUT 4 (Pin 13): Receiver 4 Output.
A4 (Pin 14): Receiver 4 Noninverting Input.
B4 (Pin 15): Receiver 4 Inverting Input.
V
DD
(Pin 16): Power Supply Input. This pin should be
decoupled with a 0.1µF ceramic capacitor as close as
possible to the pin. Recommended: V
DD
= 5V ±5%.
LTC1519
B1 (Pin 1): Receiver 1 Inverting Input.
A1 (Pin 2): Receiver 1 Noninverting Input.
OUT 1 (Pin 3): Receiver 1 Output.
EN12 (Pin 4): A high enables receivers 1 and 2; a low will
put the outputs of receivers 1 and 2 into a high impedance
state. Do not float.
OUT 2 (Pin 5): Receiver 2 Output.
A2 (Pin 6): Receiver 2 Noninverting Input.
B2 (Pin 7): Receiver 2 Inverting Input.
GND (Pin 8): Ground Pin. A ground plane is recommended
for all LTC1519 applications.
B3 (Pin 9): Receiver 3 Inverting Input.
A3 (Pin 10): Receiver 3 Noninverting Input.
OUT 3 (Pin 11): Receiver 3 Output.
EN34 (Pin 12):
A high enables receivers 3 and 4; a low will
put the outputs of receivers 3 and 4 into a high impedance
state. Do not float.
OUT 4 (Pin 13): Receiver 4 Output.
A4 (Pin 14): Receiver 4 Noninverting Input.
B4 (Pin 15): Receiver 4 Inverting Input.
V
DD
(Pin 16): Power Supply Input. This pin should be
decoupled with a 0.1µF ceramic capacitor as close as
possible to the pin. Recommended: V
DD
= 5V ±5%.
UU
U
PI FU CTIO S
6
LTC1518/LTC1519
t
r
= t
f
≤ 3ns for all input and enable signals.
Figure 1. Propagation Delay Test Circuit and Waveforms
Figure 2. Receiver Enable and Disable Timing Test Circuit
and Waveforms
Figure 4. Package-to-Package Propagation Delay Skew
Figure 3. Any Channel to Any Channel Skew, Same Package
SWITCHI G TI E WAVEFOR S
UWW
2.5V 2.5V
V
DD
/2 V
DD
/2
4V
1V
INPUT
OUTPUT
t
PLH
t
PHL
1518/19 F01
–
+
INPUT
2.5V
OUTPUT
15pF
1518/19 F01b
1/4
LTC1518
LTC1519
1.5V
2.5V
2.5V
C
L
1k
1k
S1
S2
t
ZH
t
ZL
1.5V
t
LZ
0.2V
0.2V
t
HZ
V
DD
OUTPUT
NORMALLY LOW
OUTPUT
NORMALLY HIGH
0V
3V
ENABLE
5V
V
OL
V
OH
0V
RECEIVER
OUTPUT
OUT 1
OUT 1
1518/19 F02
V
DD
/2 V
DD
/2
V
DD
/2 V
DD
/2
4V
B1, B2 = 2.5V
1V
CH1 OUT
INPUT
A1, A2
CH2 OUT
t
CH-CH
t
CH-CH
1518/19 F03
SAME INPUT FOR BOTH PACKAGES
INPUT
A1, B1
V
ID
= 1.5V
PACKAGE 1
OUT 1
1518/19 F04
t
PKG-PKG
t
PKG-PKG
PACKAGE 2
OUT 1
P1-P3P4-P6P7-P9P10-P12

LTC1518CS#TRPBF

Mfr. #:
Buy LTC1518CS#TRPBF
Manufacturer:
Analog Devices Inc.
Description:
RS-485 Interface IC 52Mbit/s Prec Quad RS485 Rx
Lifecycle:
New from this manufacturer.
Delivery:
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