LT1785IS8#PBF Linear Technology, LT1785IS8#PBF Datasheet - Page 6
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LT1785IS8#PBF
Manufacturer Part Number
LT1785IS8#PBF
Description
IC TXRX RS485/RS422 60V 8-SOIC
Manufacturer
Linear Technology
Type
Transceiverr
Datasheet
1.LT1785CN8PBF.pdf
(16 pages)
Specifications of LT1785IS8#PBF
Number Of Drivers/receivers
1/1
Protocol
RS422, RS485
Voltage - Supply
4.75 V ~ 5.25 V
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
LT1785/LT1785A/
LT1791/LT1791A
TYPICAL PERFORMANCE CHARACTERISTICS
6
1mA/DIV
1000
900
800
700
600
500
400
300
200
100
0
4
3
2
1
0
–60V
–40
10
Driver Differential Output Voltage
vs Load Resistance
Driver Propagation Delay
vs Temperature
LT1785 Input Characteristics Pins
A or B; DE = RE = 0V
T
A
–20
= 25°C
LOAD RESISTANCE (Ω)
0
TEMPERATURE (°C)
20
V
100
LH
HL
A
, V
40
B
60
80
178591 G04
178591 G01
178591 G07
100
60V
1k
1mA/DIV
3.0
2.5
2.0
1.5
1.0
0.5
0
7
6
5
4
3
2
1
0
–60V
–40
–40
Driver Differential Output Voltage
vs Temperature
LT1791 Driver Output Leakage
DE = 0V
Supply Current vs Temperature
R = 27Ω
RECEIVER ON
DRIVER AND
RECEIVER ONLY
STANDBY
–20
–20
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
20
20
V
IN
40
40
60
60
80
80
178591 G02
178591 G08
178591 G05
100
60V
100
200μA/DIV
1000
800
600
400
200
700
600
500
400
300
200
100
0
0
–60V
–40
Receiver Propagation Delay
vs Temperature
LT1791 Receiver Input Current
vs V
0
Receiver Propagation Delay
vs Differential Input Voltage
LH V
–20
IN
CM
HL V
1
= 12V
CM
V
0
TEMPERATURE (°C)
IN
= 12V
DIFFERENTIAL (V)
2
20
t
t
LH V
PHL
PLH
V
IN
HL V
40
CM
3
CM
= –7V
60
= –7V
4
80
178591 G03
178591 G09
178591 G06
178591fc
100
60V
5