LTC485CS8TR データシートの表示（PDF） - Linear Technology
部品番号
コンポーネント説明
メーカー
LTC485CS8TR Datasheet PDF : 14 Pages
| |||
LTC485
Absolute Maximum Ratings
(Note 1)
Supply Voltage...........................................................12V
Control Input Voltages......................–0.5V to VCC + 0.5V
Driver Input Voltage..........................–0.5V to VCC + 0.5V
Driver Output Voltage...............................................±14V
Receiver Input Voltage.............................................±14V
Receiver Output Voltages................. –0.5V to VCC + 0.5V
Operating Temperature Range
LTC485I......................................... –40°C ≤ TA ≤ 85°C
LTC485C............................................ 0°C ≤ TA ≤ 70°C
LTC485M..................................... –55°C ≤ TA ≤ 125°C
Lead Temperature (Soldering, 10 sec)................... 300°C
Pin Configuration
TOP VIEW
RO 1
RE 2
R
8 VCC
7B
DE 3
DI 4
D
6A
5 GND
N8 PACKAGE
S8 PACKAGE
8-LEAD PLASTIC DIP 8-LEAD PLASTIC SOIC
J8 PACKAGE
8-LEAD CERAMIC DIP
TJMAX = 125°C, θJA = 100°C/W (N)
TJMAX = 150°C, θJA = 150°C/W (S)
TJMAX = 155°C, θJA = 100°C/W (J)
Order Information
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC485CN8#PBF
LTC485CN8#TRPBF
LTC485CN8
8-Lead Plastic DIP
0°C to 70°C
LTC485CS8#PBF
LTC485CS8#TRPBF
485
8-Lead Plastic SOIC
0°C to 70°C
LTC485IN8#PBF
LTC485IN8#TRPBF
LTC485IN8
8-Lead Plastic DIP
–40°C to 85°C
LTC485IS8#PBF
LTC485IS8#TRPBF
485I
8-Lead Plastic SOIC
–40°C to 85°C
LEAD BASED FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC485CN8
LTC485CN8#TR
LTC485CN8
8-Lead Plastic DIP
0°C to 70°C
LTC485CS8
LTC485CS8#TR
485
8-Lead Plastic SOIC
0°C to 70°C
LTC485IN8
LTC485IN8#TR
LTC485IN8
8-Lead Plastic DIP
–40°C to 85°C
LTC485IS8
LTC485IS8#TR
485I
8-Lead Plastic SOIC
–40°C to 85°C
LTC485MJ8
LTC485MJ8#TR
LTC485MJ8
8-Lead Ceramic DIP
–55°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
Electrical Characteristics The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 5V ±5%, unless otherwise noted. (Notes 2 and 3)
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX
VOD1
Differential Driver Output Voltage (Unloaded) IO = 0
VOD2
Differential Driver Output Voltage (with Load) R = 50Ω (RS422)
R = 27Ω (RS485), Figure 1
l
5
l2
l 1.5
5
ΔVOD
Change in Magnitude of Driver Differential
R = 27Ω or R = 50Ω, Figure 1
l
0.2
Output Voltage for Complementary States
VOC
Driver Common Mode Output Voltage
R = 27Ω or R = 50Ω, Figure 1
l
3
Δ|VOC| Change in Magnitude of Driver Common Mode R = 27Ω or R = 50Ω, Figure 1
l
0.2
Output Voltage for Complementary States
UNITS
V
V
V
V
V
V
485fi
2
Share Link: 