参数资料
型号: LTC1546IG#TRPBF
厂商: Linear Technology
文件页数: 1/20页
文件大小: 0K
描述: IC SW TRANSCEIVER W/TERM 28-SSOP
标准包装: 2,000
类型: 收发器
驱动器/接收器数: 3/3
电源电压: 4.75 V ~ 5.25 V
安装类型: 表面贴装
封装/外壳: 28-SSOP(0.209",5.30mm 宽)
供应商设备封装: 28-SSOP
包装: 带卷 (TR)
1
LTC1546
APPLICATIO S
U
FEATURES
TYPICAL APPLICATION
U
DESCRIPTIO
U
, LTC and LT are registered trademarks of Linear Technology Corporation.
Complete DTE or DCE Multiprotocol Serial Interface with DB-25 Connector
s
Data Networking
s
CSU and DSU
s
Data Routers
s
Software-Selectable Transceiver Supports:
RS232, RS449, EIA530, EIA530-A, V.35, V.36, X.21
s
TUV Telecom Services Inc. Certified NET1,
NET2 and TBR2 Compliant
s
On-Chip Cable Termination
s
Pin Compatible with LTC1543
s
Complete DTE or DCE Port with LTC1544
s
Operates from Single 5V Supply
s
Small Footprint
The LTC
1546 is a 3-driver/3-receiver multiprotocol trans-
ceiver with on-chip cable termination. When combined with
the LTC1544, this chip set forms a complete software-
selectable DTE or DCE interface port that supports the
RS232, RS449, EIA530, EIA530-A, V.35, V.36 and X.21
protocols. All necessary cable termination is provided inside
the LTC1546. In most applications, the LTC1546 replaces
both an LTC1543 and an LTC1344A without any changes to
the PC board.
The LTC1546 runs from a single 5V supply using an internal
charge pump that requires only five space-saving surface
mounted capacitors. The LTC1546 is available in a 28-lead
SSOP surface mount package.
Software-Selectable
Multiprotocol Transceiver
with Termination
D2
D1
LTC1544
RTS
DTR
DSR
DCD
CTS
D3
R2
R1
R4
R3
LTC1546
LL
TXD
SCTE
TXC
RXC
RXD
2
14
24
11
15
12
17
9
3
1
4
19
20
623
22
5
13
8
10
18
7
16
1546 TA01
D1
SCTE
B
SCTE
A
(113)
TXD
B
TXD
A
(103)
RXC
A
(115)
RXC
B
RXD
A
(104)
RXD
B
RTS
A
(105)
RTS
B
DTR
A
(108)
DTR
B
CTS
A
(106)
CTS
B
LL
A
(141)
SG
(102)
SHIELD
(101)
DB-25 CONNECTOR
TXC
A
(114)
DCD
A
(109)
DCD
B
DSR
A
(107)
DSR
B
D4
D2
D3
R1
R2
R3
TXC
B
T
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