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参数资料
| 型号： | AD7306JR |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | 通用总线功能 |
| 英文描述： | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| 中文描述： | LINE TRANSCEIVER, PDSO24 |
| 封装： | SOIC-24 |
| 文件页数： | 1/8页 |
| 文件大小： | 149K |
| 代理商： | AD7306JR |
REV. B
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
+5 V Powered
RS-232/RS-422 Transceiver
AD7306
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703
FEATURES
RS-232 and RS-422 on One Chip
Single +5 V Supply
0.1
m
F Capacitors
Short Circuit Protection
Excellent Noise Immunity
Low Power BiCMOS Technology
High Speed, Low Skew RS-422 Operation
–40
8
C to +85
8
C Operations
APPLICATIONS
DTE-DCE Interface
Packet Switching
Local Area Networks
Data Concentration
Data Multiplexers
Integrated Services Digital Network (ISDN)
GE NE RAL DE SCRIPT ION
T he AD7306 line driver/receiver is a 5 V monolithic product
which provides an interface between T T L signal levels and dual
standard EIA RS-232/RS-422 signal levels. T he part contains
two RS-232 drivers, one RS-422 driver, one RS-232 receiver,
and one receiver path which can be configured either as RS-232
or as RS-422.
An internal charge pump voltage converter facilitates operation
from a single +5 V power supply. T he internal charge pump
generates
±
10 V levels allowing RS-232 output levels to be de-
veloped without the need for external bipolar power supplies.
A highly efficient charge pump design allows operation using
non polarized, miniature 0.1
μ
F capacitors. T his gives a consid-
erable saving in printed circuit board space over conventional
products which can use up to 10
μ
F capacitors. T he charge
pump output voltages may also be used to power external cir-
cuitry which requires dual supplies.
T he RS-232 channels are suitable for communications rates up
to 100 kHz and the RS-422 channels are suitable for high speed
communications up to 5 MHz. T he RS-422 transmitter comple-
mentary outputs are closely matched and feature low timing
skew between the complementary outputs. T his is often an es-
sential requirement to meet tight system timing specifications.
All inputs feature ESD protection, all driver outputs feature
high source and sink current capability and are internally pro-
tected against short circuits on the outputs. An epitaxial layer is
used to guard against latch-up.
T he part is available in a 24-lead SOIC and 24-pin plastic DIP
package.
FUNCT IONAL BLOCK DIAGRAM
V+
C1+
C1–
V–
C2–
C2+
GND
NC
NC
NC = NO CONNECT
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
16
15
14
13
20
19
18
17
AD7306
SOIC
TOP VIEW
(Not to Scale)
GND
R1
IN
/R1
IN
(A)
T2
OUT
T1
OUT
R2
IN
R1
IN
(B)
T3
OUT
(B)
R2
OUT
T3
IN
232/422 SEL
V
CC
R1
OUT
T1
IN
T2
IN
T3
OUT
(A)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD7306JR-REEL | 制造商:Analog Devices 功能描述:Triple Transmitter Dual Receiver RS-232/RS-422 24-Pin SOIC W T/R 制造商:Analog Devices 功能描述:RS 232/422 INTERFACE DEV. - Tape and Reel |
| AD7306JRZ | 功能描述:IC TXRX RS232/RS422 5V 24SOIC RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:250 系列:- 类型:收发器 驱动器/接收器数:2/2 规程:RS232 电源电压:3 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:16-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:16-TSSOP 包装:带卷 (TR) |
| AD7306JRZ-REEL | 功能描述:IC TXRX RS232/RS422 5V 24-SOIC RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:250 系列:- 类型:收发器 驱动器/接收器数:2/2 规程:RS232 电源电压:3 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:16-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:16-TSSOP 包装:带卷 (TR) |
| AD730JR-1 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Miscellaneous Clock Generator |
| AD7312 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:1/4 to 1/11 Duty VFD Controller/Driver & Standby Master/Slave |
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