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參數(shù)資料
| 型號： | LTC485IN8 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Low Power RS485 Interface Transceiver |
| 中文描述： | LINE TRANSCEIVER, PDIP8 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-8 |
| 文件頁數(shù)： | 3/12頁 |
| 文件大?。?/td> | 327K |
| 代理商： | LTC485IN8 |
3
LTC485
SYMBOL
t
PLH
t
PHL
t
SKEW
t
r
, t
f
t
ZH
t
ZL
t
LZ
t
HZ
t
PLH
t
PHL
t
SKD
t
ZL
t
ZH
t
LZ
t
HZ
PARAMETER
Driver Input to Output
Driver Input to Output
Driver Output to Output
Driver Rise or Fall Time
Driver Enable to Output High
Driver Enable to Output Low
Driver Disable Time from Low
Driver Disable Time from High
Receiver Input to Output
CONDITIONS
R
DIFF
= 54
, C
L1
= C
L2
= 100pF,
(Figures 3 and 5)
MIN
10
10
TYP
30
30
5
15
40
40
40
40
90
90
13
20
20
20
20
MAX
50
50
10
25
70
70
70
70
200
200
UNITS
G
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
G
G
G
3
C
L
= 100pF (Figures 4 and 6) S2 Closed
C
L
= 100pF (Figures 4 and 6) S1 Closed
C
L
= 15pF (Figures 4 and 6) S1 Closed
C
L
= 15pF (Figures 4 and 6) S2 Closed
R
DIFF
= 54
, C
L1
= C
L2
= 100pF,
(Figures 3 and 7)
G
G
G
G
G
30
30
G
t
PLH
– t
PHL
Differential Receiver Skew
Receiver Enable to Output Low
Receiver Enable to Output High
Receiver Disable from Low
Receiver Disable from High
G
C
RL
= 15pF (Figures 2 and 8) S1 Closed
C
RL
= 15pF (Figures 2 and 8) S2 Closed
C
RL
= 15pF (Figures 2 and 8) S1 Closed
C
RL
= 15pF (Figures 2 and 8) S2 Closed
G
50
50
50
50
G
G
G
SWITCHU
V
CC
= 5V
±
5%, unless otherwise noted. (Notes 2 and 3)
3V
DE
A
B
DI
R
DIFF
C
L1
C
L2
RO
15pF
A
B
RE
LTC485 F03
OUTPUT
UNDER TEST
C
L
S1
S2
V
CC
500
LTC485 F02
Figure 3. Driver/Receiver Timing Test Circuit
Figure 4. Driver Timing Test Load #2
RECEIVER
OUTPUT
C
15pF
1k
S1
S2
TEST POINT
V
CC
1k
LTC485 F02
V
OD
A
B
R
R
V
OC
LTC485 F01
Figure 1. Driver DC Test Load
Figure 2. Receiver Timing Test Load
The
G
denotes specifications which apply over the full operating
temperature range.
Note 1:
Absolute maximum ratings are those beyond which the safety of
the device cannot be guaranteed.
Note 2:
All currents into device pins are positive; all currents out ot device
pins are negative. All voltages are referenced to device ground unless
otherwise specified.
Note 3:
All typicals are given for V
CC
= 5V and T
A
= 25
°
C.
Note 4:
The LTC485 is guaranteed by design to be functional over a supply
voltage range of 5V
±
10%. Data sheet parameters are guaranteed over the
tested supply voltage range of 5V
±
5%.
TEST CIRCUITS
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC485 | Low Power RS485 Interface Transceiver |
| LTC485C | Low Power RS485 Interface Transceiver |
| LTC485CJ8 | Low Power RS485 Interface Transceiver |
| LTC485CN8 | Low Power RS485 Interface Transceiver |
| LTC485CS8 | Low Power RS485 Interface Transceiver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC485IN8#PBF | 功能描述:IC TXRX INTRFC RS485 LOPWR 8-DIP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:121 系列:- 類型:收發(fā)器 驅(qū)動(dòng)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(yīng)商設(shè)備封裝:10-DFN（3x3） 包裝:管件 |
| LTC485IN8#PBF | 制造商:Linear Technology 功能描述:IC RS-485 TRANSCEIVER 5V DIP-8 制造商:Linear Technology 功能描述:IC, RS-485 TRANSCEIVER, 5V, DIP-8 |
| LTC485IN8 | 制造商:Linear Technology 功能描述:IC TRANSCEIVER RS485 DIP8 485 |
| LTC485IN8PBF | 制造商:Linear Technology 功能描述:RS-485 Driver/Receiver 300uA 5V PDIP8 |
| LTC485IS8 | 功能描述:IC TXRX INTRFC RS485 LOPWR 8SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:121 系列:- 類型:收發(fā)器 驅(qū)動(dòng)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(yīng)商設(shè)備封裝:10-DFN（3x3） 包裝:管件 |
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