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参数资料
| 型号： | LTC2847CUHF#TR |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | Buffer和线驱动 |
| 英文描述： | Software-Selectable Multiprotocol Transceiver with Termination and 3.3V Digital Interface; Package: QFN; No of Pins: 38; Temperature Range: 0°C to +70°C |
| 中文描述： | TRIPLE LINE TRANSCEIVER, PQCC38 |
| 封装： | 7 X 5 MM, PLASTIC, QFN-38 |
| 文件页数： | 1/20页 |
| 文件大小： | 239K |
| 代理商： | LTC2847CUHF#TR |
1
LTC2847
sn2847 2847fs
APPLICATIO S
U
DESCRIPTIO
U
FEATURES
TYPICAL APPLICATIO
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
Operates from Single 5V Supply
s
Separate Supply Pin for Digital Interface Works
down to 3V
s
On-Chip Cable Termination
s
Complete DTE or DCE Port with LTC2845
s
Available in 38-Pin 5mm
× 7mm QFN Package
The LTC
2847 is a 3-driver/3-receiver multiprotocol trans-
ceiver with on-chip cable termination. When combined with
the LTC2845, 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 LTC2847.
The VCC supplies the drivers, the receivers and an internal
charge pump that requires only five space-saving surface
mounted capacitors. The VIN supply drives the digital inter-
face circuitry including the receiver output drivers. It can be
tied to VCC or be powered off a lower supply (down to 3V) to
interface with low voltage ASICs. The LTC2847 is available in
a 0.8mm tall, 5mm
× 7mm QFN package.
Software-Selectable
Multiprotocol Transceiver with
Termination and 3.3V Digital Interface
D2
D1
LTC2845
RTS
DTR
DSR
DCD
CTS
D3
R2
R1
R4
R3
LTC2847
RI
LL
TM
RL
TXD
SCTE
TXC
RXC
RXD
2
14
24
11
15
12
17
9
3
1
4
19
20
823
10
5
13
6
22
18
25
21
716
2847 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
LL
A
(141)
TM
(142)
RL
(140)
SG
(102)
SHIELD
(101)
DB-25 CONNECTOR
TXC
A
(114)
DCD
A
(109)
DCD
B
DSR
A
(107)
DSR
B
D4
R5
D5
D2
D3
R1
R2
R3
TXC
B
T
CTS
A
(106)
CTS
B
RI
(125)
*
*OPTIONAL
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