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參數(shù)資料
| 型號： | LTC485 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Low Power RS485 Interface Transceiver |
| 中文描述： | 低功率485接口收發(fā)器 |
| 文件頁數(shù)： | 5/12頁 |
| 文件大小： | 327K |
| 代理商： | LTC485 |
5
LTC485
C
HARA TERISTICS
U
A
TYPICAL PERFOR
CE
LTC485 Transmitting
INPUTS
DE
1
1
0
1
OUTPUTS
B
0
1
Z
Z
RE
X
X
X
X
DI
1
0
X
X
A
1
0
Z
Z
No Fault
No Fault
X
Fault
LINE
CONDITION
LTC485 Receiving
INPUTS
DE
0
0
0
0
OUTPUTS
R
1
0
1
Z
RE
0
0
0
1
A – B
≥
0.2V
≤
–0.2V
Inputs Open
X
PIN #
1
NAME
RO
DESCRIPTION
Receiver Output. If the receiver output is enabled
(RE low), then if A > B by 200mV, RO will be
high. If A < B by 200mV, then RO will be low.
Receiver Output Enable. A low enables the
receiver output, RO. A high input forces the
receiver output into a high impedance state.
Driver Outputs Enable. A high on DE enables the
driver output. A and B, and the chip will function
as a line driver. A low input will force the driver
outputs into a high impedance state and the chip
will function as a line receiver.
Driver Input. If the driver outputs are enabled
(DE high), then a low on DI forces the outputs A
low and B high. A high on DI with the driver
outputs enabled will force A high and B low.
Ground Connection.
Driver Output/Receiver Input.
Driver Output/Receiver Input.
Positive Supply; 4.75 < V
CC
< 5.25
2
RE
3
DE
4
DI
5
6
7
8
GND
A
B
V
CC
PIU
U
U
FU
U
Receiver Output High Voltage
vs Output Current
Receiver Output Low Voltage
vs Output Current
OUTPUT VOLTAGE (V)
0
0
O
4
12
16
20
1.0
36
LTC485 TPC01
8
0.5
2.0
24
28
32
1.5
T
A
= 25°C
OUTPUT VOLTAGE (V)
5
0
O
–2
–6
–8
–10
3
–18
LTC485 TPC02
–4
4
–12
–14
–16
2
T
A
= 25°C
TEMPERATURE (°C)
–50
3.0
O
3.2
3.6
3.8
4.0
75
4.8
LTC485 TPC03
3.4
0
125
4.2
4.4
4.6
–25
25
50
100
I = 8mA
Receiver Output High Voltage
vs Temperature
相關PDF資料 |
PDF描述 |
|---|---|
| LTC485C | Low Power RS485 Interface Transceiver |
| LTC485CJ8 | Low Power RS485 Interface Transceiver |
| LTC485CN8 | Low Power RS485 Interface Transceiver |
| LTC485CS8 | Low Power RS485 Interface Transceiver |
| LTC485I | Low Power RS485 Interface Transceiver |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LTC485CJ8 | 制造商:Linear Technology 功能描述:Single Transmitter/Receiver RS-422/RS-485 8-Pin CDIP |
| LTC485CN8 | 功能描述:IC TXRX INTRFC RS485 LOPWR 8-DIP RoHS:否 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發(fā)器 系列:- 標準包裝:121 系列:- 類型:收發(fā)器 驅動器/接收器數(shù):1/1 規(guī)程:RS422，RS485 電源電壓:3 V ~ 3.6 V 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應商設備封裝:10-DFN（3x3） 包裝:管件 |
| LTC485CN8#PBF | 功能描述:IC TXRX INTRFC RS485 LOPWR 8-DIP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發(fā)器 系列:- 標準包裝:98 系列:* |
| LTC485CN8PBF | 制造商:Linear Technology 功能描述:LTC485CN8PBF |
| LTC485CS8 | 功能描述:IC TXRX INTRFC RS485 LOPWR 8SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發(fā)器 系列:- 標準包裝:121 系列:- 類型:收發(fā)器 驅動器/接收器數(shù):1/1 規(guī)程:RS422，RS485 電源電壓:3 V ~ 3.6 V 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應商設備封裝:10-DFN（3x3） 包裝:管件 |
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