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參數(shù)資料
| 型號(hào)： | LTC1322CN |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Octal Bus Transceivers/Registers With 3-State Outputs 24-PDIP 0 to 70 |
| 中文描述： | LINE TRANSCEIVER, PDIP24 |
| 封裝： | PLASTIC, DIP-24 |
| 文件頁數(shù)： | 1/20頁 |
| 文件大小： | 454K |
| 代理商： | LTC1322CN |
1
LTC1321/LTC1322/LTC1335
RS232/EIA562/RS485
Transceivers
S
FEATURE
The LTC1321/LTC1322/LTC1335 are low power CMOS
bidirectional transceivers, each featuring two
reconfigurable
interface ports. Each can be configured as two RS485
differential ports, as two single-ended ports, or as one
RS485 differential port and one single-ended port. The
LTC1321/LTC1322 can provide RS232 or EIA562 compat-
ible single-ended outputs; the LTC1335 provides EIA562
compatible outputs and additionally includes an output
enable pin, allowing the receiver logic level outputs to be
three-stated.
The RS232/EIA562 transceivers operate to 120kbaud and
are in full compliance with EIA/TIA-562 specification. The
RS485 transceivers operate to 10Mbaud and are in full
compliance with RS485 and RS422 specifications. All
interface drivers feature short-circuit and thermal shut-
down protection. An enable pin allows RS485 driver
outputs to be forced into high impedance which is main-
tained even when the outputs are forced beyond supply
rails or power is off. Both driver outputs and receiver
inputs feature
±
10kV
ESD protection. A loopback mode
connects the driver outputs back to the receiver inputs for
diagnostic self-test.
The LTC1321/LTC1322 can support RS232 voltage levels
when 6.5V
≤
V
DD
≤
10V and –6.5V
≥
V
EE
≥
–10V. The
LTC1335 supports receiver output enable but not RS232
levels. A shutdown mode reduces the I
CC
supply current
to 15
μ
A.
D
U
ESCRIPTIO
APPLICATIO
S
U
I
Low Power RS485/RS422/EIA562/RS232 Interface
I
Cable Repeater
I
Level Translator
I
LTC1321: 2-EIA562/RS232 Transceivers/2-RS485
Transceivers
I
LTC1322: 4-EIA562/RS232 Transceivers/2-RS485
Transceivers
I
LTC1335: 4-EIA562 Transceivers/2-RS485
Transceivers with OE
I
LTC1321/LTC1322 Have the Same Pinout as
SP301/SP302
I
LTC1335 Features Receiver Three-State Outputs
I
Low Supply Current:
1mA Typical
I
15
μ
A Supply Current in Shutdown
I
120kBaud in EIA/TIA-562 or RS232 Mode
I
10MBaud in RS485/RS422 Mode
I
Self-Testing Capability in Loopback Mode
I
Power-Up/Down Glitch-Free Outputs
I
Driver Maintains High Impedance in Three-State,
Shutdown or With Power Off
I
Thermal Shutdown Protection
I
I/O Lines Can Withstand
±
25V
I
Withstands Repeated 10kV ESD Pulses
U
A
O
PPLICATI
TYPICAL
19
5V
6
7
5V
0V
5V
18
1
15
24
V
CC2
5V
1
24
V
CC1
120
2
3
LTC1322
1321/22/35 TA01
RX OUT
21
RS485 INTERFACE
DR ENABLE
4
5
12
22
DR IN
20
13
V
–5V
11
10
19
LTC1322
RX OUT
16
5V
DR ENABLE
9
8
7
6
12
DR IN
17
5V
18
13
V
EE2
–5V
120
4000-FT 24-GAUGE TWISTED PAIR
5V
0V
8
DR IN
17
3
22
RX OUT
11
14
RX OUT
4
DR IN
21
EIA562 INTERFACE
9
DR IN
16
2
23
RX OUT
10
15
RX OUT
5
DR IN
20
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC1322CS | RS232/EIA562/RS485 Transceivers |
| LTC1322I | RS232/EIA562/RS485 Transceivers |
| LTC1335 | RS232/EIA562/RS485 Transceivers |
| LTC1335C | RS232/EIA562/RS485 Transceivers |
| LTC1335CN | RS232/EIA562/RS485 Transceivers |
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| LTC1322CN#PBF | 功能描述:IC TXRX RS232/RS485/EIA562 24DIP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)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(dòng)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 |
| LTC1322CSW | 功能描述:IC TXRX RS232/485/EIA562 24-SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)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(dòng)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 |
| LTC1322CSW#PBF | 功能描述:IC TXRX RS232/485/EIA562 24-SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)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(dòng)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 |
| LTC1322CSW#TR | 功能描述:IC TXRX RS232/485/EIA562 24SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)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(dòng)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 |
| LTC1322CSW#TRPBF | 功能描述:IC TXRX RS232/485/EIA562 24-SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)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(dòng)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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