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參數(shù)資料
| 型號： | LT1341CSW#TRPBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 5/8頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX 5V RS232 W/SHTDWN 28SOIC |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 3/5 |
| 規(guī)程： | RS232 |
| 電源電壓： | 4.5 V ~ 5.5 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： | 帶卷 (TR) |
5
LT1341
CC
HARA TERISTICS
UW
A
TYPICALPERFOR
CE
Receiver Output Waveforms
Receiver Short-Circuit Current
Driver Output Waveforms
LT1341 TPC12
DRIVER OUTPUT
RL = 3k
CL = 2500pF
INPUT
DRIVER OUTPUT
RL = 3k
PI FU CTIO S
U
UU
VCC: 5V Input Supply Pin. This pin should be decoupled
with a 0.1
F ceramic capacitor close to the package pin.
Insufficient supply bypassing can lead to low output drive
levels and erratic charge pump operation.
GND: Ground Pin.
ON/OFF: A TTL/CMOS logic low puts the device in the low
power shutdown mode. All of the drivers and four receiv-
ers go to a high impedance state. Receiver RX5 remains
active while the transceiver is in shutdown. The trans-
ceiver consumes only 60
A of supply current while in
shutdown. A logic high fully enables the transceiver.
DRIVER DISABLE: This pin provides an alternate control
for the charge pump and RS232 drivers. A logic high on
this pin shuts down the charge pump and places all drivers
LT1341 TPC13
Driver Short-Circuit Current
TEMPERATURE (
°C)
–55
SHORT-CIRCUIT
CURRENT
(mA)
20
25
30
25
75
LT1341 TPC10
15
10
–25
0
50
100
125
5
0
ISC
+
ISC
–
in a high impedance state. All receivers remain active
under these conditions. Floating the driver disable pin or
driving it to a logic low level fully enables the transceiver.
Supply current drops to 3mA when in driver disable mode.
A logic low on the ON/OFF pin supersedes the state of the
DRIVER DISABLE pin.
V+: Positive Supply Output (RS232 Drivers). V+
≈ 2VCC –
1.5V. This pin requires an external charge storage capaci-
tor C
≥ 0.1F, tied to ground or VCC. Larger value
capacitors may be used to reduce supply ripple. With
multiple transceivers, the V + and V – pins may be paral-
leled into common capacitors. For large numbers of
transceivers, increasing the size of the storage capaci-
tors is recommended to reduce ripple.
RX5 OUTPUT
CL = 50pF
RX1 TO RX4
OUTPUT
CL = 50pF
INPUT
TEMPERATURE (
°C)
–55
0
SHORT-CIRCUIT
CURRENT
(mA)
20
50
0
50
75
LT1341 TPC11
10
40
30
–25
25
100
125
RX5 ISC
+
RX5 ISC
–
RX1 TO RX4 ISC
+
RX1 TO RX4 ISC
–
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| LT1342CG | 功能描述:IC TXRX 5V RS232 W/3VLOGC 28SSOP 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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