LTC1535 Linear Technology, LTC1535 Datasheet - Page 3

• Manufacturer Part Number: LTC1535
• Description: Isolated RS485 Transceiver
• Manufacturer: Linear Technology

ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
SYMBOL
I
V
V
f
R
R
I
I
V
V
V
SWITCHI G CHARACTERISTICS
temperature range, otherwise specifications are at T
otherwise noted.
SYMBOL
t
f
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
OZ
SW
REL
REH
SJ
MAX
PLH
PHL
r
ZH
ZL
LZ
HZ
PLH
PHL
PLH
PHL
r
LZ
HZ
START
TOF
OH2
OL2
UVL
UVH
ISO
, t
, t
SWH
SWL
f
f
PARAMETER
Driver Output Leakage
RO2 Output High Voltage
RO2 Output Low Voltage
DC Converter Frequency
DC Converter R High
DC Converter R Low
RE Output Low Current
RE Output High Current
Undervoltage Low Threshold
Undervoltage High Threshold
Isolation Voltage
PARAMETER
Data Sample Jitter
Max Baud Rate
Driver Input to Output
Driver Input to Output
Driver Rise or Fall Time
Driver Enable to Output
Driver Enable to Output
Driver Disable to Output
Driver Disable to Output
Receiver Input to RO
Receiver Input to RO
Receiver Input to RO2
Receiver Input to RO2
Receiver Rise or Fall Time
Receiver Disable to Output
Receiver Disable to Output
Initial Start-Up Time
Data Time-Out Fault
U
CONDITIONS
I
I
I
I
V
V
RE Sink Current, Fault = 0
RE Source Current, Fault = 1
RE Fault = 1, Note 5
RE Fault = 0, Note 5
1 Minute, Note 6
1 Second
CONDITIONS
Figure 8, Note 7
Jitter = 10% Max, SLO = 1, Note 8
DE = 1, SLO = 1, Figure 3, Figure 5
DE = 1, SLO = 0, Figure 3, Figure 5
DE = 1, SLO = 1, Figure 3, Figure 5
DE = 1, SLO = 0, Figure 3, Figure 5
DE = 1, SLO = 1, Figure 3, Figure 5
DE = 1, SLO = 0
DI = 1, SLO = 1, Figure 4, Figure 6
DI = 0, SLO = 1, Figure 4, Figure 6
DI = 0, SLO = 1, Figure 4, Figure 6
DI = 1, SLO = 1, Figure 4, Figure 6
RE = 0, Figure 2, Figure 7
RE = 0, Figure 2, Figure 7
RE = 0, Figure 2, Figure 7
RE = 0, Figure 2, Figure 7
RE = 0, Figure 2, Figure 7
Figure 2, Figure 8
Figure 2, Figure 8
Note 9
Note 9
RO2
RO2
RO2
RO2
CC
CC
A
A
= 25 C. 0 C T
= 25 C. 0 C T
= 4.5V
= 4.5V
= – 4mA, V
= –10mA, V
= 4mA, V
= 10mA, V
The
The
CC
CC
CC
CC
denotes the specifications which apply over the full operating
= 4.5V
denotes the specifications which apply over the full operating
= 4.5V
= 4.5V
= 4.5V
A
A
70 C, V
70 C, V
CC
CC
= 5V, V
= 5V, V
CC2
CC2
= 5V unless otherwise noted.
= 5V, R = 27 (RS485) unless
2500
3000
3.90
4.05
MIN
– 40
MIN
290
350
150
3.7
80
1300
1300
1000
1000
1200
1200
4.00
4.20
TYP
– 50
TYP
420
100
250
600
600
500
700
700
600
600
3.9
3.4
0.4
0.9
2.5
20
30
30
20
30
30
1
4
LTC1535
1560
1560
1000
1400
1400
1000
1000
MAX
4.25
4.40
MAX
– 80
520
130
285
855
855
855
855
0.8
50
6
5
UNITS
UNITS
V
V
3
RMS
RMS
kHz
kBd
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
A
V
V
V
V
A
A
V
V