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參數(shù)資料
| 型號(hào)： | LTC1385IN#PBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX 3.3V EIA/TIA-562 18-DIP |
| 標(biāo)準(zhǔn)包裝： | 20 |
| 類型： | 收發(fā)器 |
| 驅(qū)動(dòng)器/接收器數(shù)： | 2/2 |
| 規(guī)程： | RS562 |
| 電源電壓： | 3.3V |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 18-DIP（0.300"，7.62mm） |
| 供應(yīng)商設(shè)備封裝： | 18-DIP |
| 包裝： | 管件 |
1
LTC1385
sn1385 1385fas
3.3V Low Power
EIA/TIA-562 Transceiver
s
Operates from a Single 3.3V Supply
s
Low Supply Current: ICC = 200A
s
ICC = 35A in Driver Disable Mode
s
ICC = 0.2A in Shutdown Mode
s
ESD Protection Over
±10kV
s
Uses Small Capacitors: 0.1
F
s
Operates to 120kBaud
s
Output Overvoltage Does Not Force Current
Back into Supplies
s
EIA/TIA-562 I/O Lines Can Be Forced to
±25V
Without Damage
s
Pin Compatible with LT1180A
The LTC
1385 is an ultra-low power, 2-driver/2-receiver
EIA / TIA-562 transceiver which operates from a single
3.3V supply. The charge pump requires only four space-
saving 0.1
F capacitors.
The transceiver operates in one of three modes: Normal,
Driver Disable or Shutdown. In the Normal mode, ICC is
only 200
Aintheunloadedcondition.IntheDriverDisable
mode, the charge pump is turned off, the driver outputs
are forced into three-state, both receivers are kept active,
and ICC drops to 35A. In the Shutdown mode, everything
is turned off and ICC drops to 0.2A.
The LTC1385 is fully compliant with all data rate and
overvoltage EIA / TIA-562 specifications. The transceiver
can operate up to 120kbaud with a 1000pF, 3k
load.
Both driver outputs and receiver inputs can be forced to
±25V without damage, and can survive multiple ±10kV
ESD strikes.
s
Notebook Computers
s
Palmtop Computers
Quiescent and Shutdown Supply Current
vs Temperature
2-Drivers/2-Receivers with Shutdown
and Driver Disable
TEMPERATURE (
°C)
QUIESCENT
CURRENT
(
A)
600
500
400
300
200
100
0
20
40
60
LTC1385 TA02
80
0
1.2
1.0
0.8
0.6
0.4
0.2
0
SHUTDOWN
CURRENT
(
A)
QUIESCENT
CURRENT
SHUTDOWN
CURRENT
TEST CONDITION: VCC = 3.3V
–20
FEATURES
DESCRIPTIO
U
APPLICATIO S
U
TYPICAL APPLICATIO
U
, LTC and LT are registered trademarks of Linear Technology Corporation.
LTC1385 TA01
0.1
F
0.1
F
0.1
F
0.1
F
LTC1385
DRIVER DISABLE
2
4
5
6
12
11
13
10
18
14
9
16
1
LOGIC INPUT
LOGIC OUTPUT
ON/OFF
17
3
7
15
562 OUTPUT
VCC = 3.3V
562 OUTPUT
562 INPUT
5k
300k
VCC
300k
VCC
8
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