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參數(shù)資料
| 型號： | LTC1484I |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Low Power RS485 Transceiver with Receiver Fail-Safe |
| 中文描述： | 485低功耗收發(fā)器與接收器故障保險 |
| 文件頁數(shù)： | 4/16頁 |
| 文件大小： | 274K |
| 代理商： | LTC1484I |
4
LTC1484
SYMBOL
t
ZH(SHDN)
PARAMETER
Driver Enable from Shutdown to Output High
CONDITIONS
C
L
= 100pF (Figures 5, 7) S2 Closed,
DI = DE
C
L
= 100pF (Figures 5, 7) S1 Closed,
DI = 0
C
L
= 15pF (Figures 3, 9) S2 Closed,
DE = 0
C
L
= 15pF (Figures 3, 9) S1 Closed,
DE = 0
MIN
TYP
40
MAX
100
UNITS
G
ns
t
ZL(SHDN)
Driver Enable from Shutdown to Output Low
G
40
100
ns
t
ZH(SHDN)
Receiver Enable from Shutdown to Output High
G
10
μ
s
t
ZL(SHDN)
Receiver Enable from Shutdown to Output Low
G
10
μ
s
Note 1:
Absolute Maximum Ratings are those values beyond which the life of
a device may be impaired.
Note 2:
All typicals are given for V
CC
= 5V and T
A
= 25
°
C.
Note 3:
All currents into device pins are positive; all currents out of device
pins are negative. All voltages are referenced to device ground unless
otherwise specified.
Note 4:
For higher ambient temperatures, the part may enter thermal
shutdown during short-circuit conditions.
Note 5:
Guaranteed by design.
Note 6:
Time for I
CC
to drop to I
CC
/2 when the receiver is disabled.
SWITCHI
G CHARACTERISTICS
U
temperature range, otherwise specifications are at T
A
= 25
°
C. V
CC
= 5V
±
5% (Notes 2 and 3) unless otherwise noted.
The
G
denotes the specifications which apply over the full operating
TYPICAL PERFOR AU
INPUT VOLTAGE (V)
–0.2
–0.16
–0.12
–0.08
–0.04
0
R
1484 G01
6
5
4
3
2
1
0
T
A
= 25
°
C
V
CC
= 5V
V
TH(HIGH)
V
TH(LOW)
TEMPERATURE (
°
C)
–55 –35 –15
5
25
45
65
85 105 125
R
1484 G02
0
–0.05
–0.10
–0.15
–0.20
–0.25
V
CC
= 5V
V
TH(HIGH)
V
CM
= –7V
V
CM
= 12V
V
CM
= 0V
TEMPERATURE (
°
C)
–55 –35 –15
5
25
45
65
85 105 125
R
1484 G03
0
–0.05
–0.10
–0.15
–0.20
–0.25
V
CC
= 5V
V
TH(LOW)
V
CM
= –7V
V
CM
= 12V
V
CM
= 0V
Receiver Output Voltage vs Input
Voltage
Receiver Input Threshold Voltage
(Output High) vs Temperature
Receiver Input Threshold Voltage
(Output Low) vs Temperature
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相關(guān)代理商/技術(shù)參數(shù) |
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| LTC1484IN8 | 功能描述:IC TXRX RS485 LOWPWR 8-DIP RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，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 |
| LTC1484IN8#PBF | 功能描述:IC TXRX RS485 LOWPWR 8-DIP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，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 |
| LTC1484IS8 | 功能描述:IC TXRX RS485 LOWPWR 8-SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，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 |
| LTC1484IS8#PBF | 功能描述:IC TXRX RS485 LOWPWR 8-SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，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 |
| LTC1484IS8#TR | 功能描述:IC TXRX RS485 LP FAILSAFE 8SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:27 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):3/3 規(guī)程:RS232，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC 包裝:管件 |
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