參數(shù)資料
型號(hào): LTC1327CG#TRPBF
廠商: Linear Technology
文件頁(yè)數(shù): 1/8頁(yè)
文件大?。?/td> 0K
描述: IC TXRX EIA/TIA-562 3.3V 28-SSOP
標(biāo)準(zhǔn)包裝: 2,000
類型: 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù): 3/5
規(guī)程: RS562
電源電壓: 3.3V
安裝類型: 表面貼裝
封裝/外殼: 28-SSOP(0.209",5.30mm 寬)
供應(yīng)商設(shè)備封裝: 28-SSOP
包裝: 帶卷 (TR)
LTC1327
1
3.3V Micropower EIA/TIA-562
Transceiver
U
S
A
O
PPLICATI
s
Notebook Computers
s
Palmtop Computers
U
A
O
PPLICATI
TYPICAL
3-Drivers/5-Receivers with SHUTDOWN
D
U
ESCRIPTIO
S
FEATURE
s
Low Supply Current
300
A
s
0.2
A Supply Current in SHUTDOWN
s
ESD Protection
±10kV
s
Operates From a Single 3.3V Supply
s
Uses Small Capacitors
0.1
F
s
Operates To 120k Baud
s
Three-State Outputs are High Impedance When Off
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
Flowthrough Architecture
The LTC1327 is an advanced low power, three-driver/five-
receiver EIA/TIA-562 transceiver. In the no load condition,
the supply current is only 300
A. The charge pump only
requires four 0.1
F capacitors.
In SHUTDOWN mode, the supply current is further re-
duced to 0.2
A. All EIA/TIA-562 outputs assume a high
impedance state in SHUTDOWN and with the power off.
The LTC1327 is fully compliant with all data rate and
overvoltage EIA/TIA-562 specifications. The transceiver
can operate up to 120k Baud 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.
Supply Current vs Temperature
TEMPERATURE (°C)
–20
0
QUIESCENT
CURRENT
(
A)
100
200
300
400
600
0
20
40
60
LTC1327 TA02
80
500
SHUTDOWN
CURRENT
(
A)
0.2
0.4
0.6
0.8
1.2
1.0
VCC = 3.3V
ALL DRIVERS INPUTS TIED TO VCC
QUIESCENT
CURRENT
SHUTDOWN
CURRENT
1327 TA01
VCC
C1
0.1
F
LTC1327
1
2
3
4
5
6
7
8
9
10
11
12
13
14
DR1 OUT
RX1 IN
DR2 OUT
RX2 IN
RX3 IN
RX4 IN
DR4 OUT
RX5 IN
ON/OFF
28
27
26
25
24
23
22
21
20
19
18
17
16
15
C3
0.1
F
DR1 IN
RX1 OUT
DR2 IN
RX2 OUT
RX3 OUT
RX4 OUT
DR3 IN
RX5 OUT
V
V+
C2
0.1
F
C4
0.1
F
GND
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