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SN75109A

更新时间： 2024-11-24 22:50:11
品牌 Logo 应用领域
德州仪器 - TI 驱动器
页数 文件大小 规格书
11页 174K
描述
DUAL LINE DRIVERS

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SN75109A 数据手册

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SN55109A, SN55110A  
SN75109A, SN75110A, SN75112  
DUAL LINE DRIVERS  
SLLS106B – DECEMBER 1975 – REVISED MAY 1995  
• Improved Stability Over Supply Voltage and  
SN55109A, SN55110A . . . J OR W PACKAGE  
SN75109A, SN75110A, SN75112 . . . D OR N PACKAGE  
Temperature Ranges  
(TOP VIEW)  
• Constant-Current Outputs  
• High Speed  
• Standard Supply Voltages  
• High Output Impedance  
1A  
1B  
V
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
CC+  
1Y  
1Z  
V
1C  
2C  
CC –  
• High Common-Mode Output Voltage Range  
2A  
D
–3 V to 10 V  
2B  
2Z  
2Y  
• TTL-Input Compatibility  
• Inhibitor Available for Driver Selection  
• Glitch-Free During Power Up/Power Down  
• SN75112 and External Circuit Meets or  
Exceeds the Requirements of CCITT  
Recommendation V.35  
GND  
8
SN55109A, SN55110A . . . FK PACKAGE  
(TOP VIEW)  
description  
3
2
1
20 19  
18  
1Z  
NC  
V
1C  
NC  
2C  
NC  
2A  
4
5
6
7
8
The  
SN55109A,  
SN55110A,  
SN75109A,  
17  
16  
15  
14  
SN75110A, and SN75112 dual line drivers have  
improved output current regulation with supply  
voltage and temperature variations. In addition,  
the higher current of the SN75112 (27 mA) allows  
data to be transmitted over longer lines. These  
drivers offer optimum performance when used  
with the SN55107A, SN55108A, SN75107A, and  
SN75108A line receivers.  
CC –  
NC  
D
9 10 11 12 13  
NC – No internal connection  
These drivers feature independent channels with  
common voltage supply and ground terminals.  
The significant difference between the three  
THE SN75109A IS NOT  
RECOMMENDED FOR NEW DESIGNS  
drivers is in the output current specification. The driver circuits feature a constant output current that is switched  
to either of two output terminals by the appropriate logic levels at the input terminals. The output current can  
be switched off (inhibited) by low logic levels on the enable inputs. The output current is nominally 6 mA for the  
’109A, 12 mA for the ’110A, and 27 mA for the SN75112.  
The enable/inhibit feature is provided so the circuits can be used in party-line or data-bus applications. A strobe  
or inhibitor (enable D), common to both drivers, is included for increased driver-logic versatility. The output  
current in the inhibited mode, I  
, is specified so that minimum line loading is induced when the driver is used  
O(off)  
in a party-line system with other drivers. The output impedance of the driver in the inhibited mode is very high.  
The output impedance of a transistor is biased to cutoff.  
AVAILABLE OPTIONS  
PACKAGED DEVICES  
CHIP CARRIER CERAMIC DIP  
(FK) (J)  
CERAMIC  
FLATPACK  
(W)  
T
A
SMALL OUTLINE  
(D)  
PLASTIC DIP  
(N)  
SN75109AD  
SN75110AD  
SN75112D  
SN75109AN  
SN75110AN  
SN75112N  
0°C to 70°C  
SN55109AFK  
SN55110AFK  
SN55109AJ  
SN55110AJ  
SN55109AJ  
SN55110AJ  
SN55109AW  
SN55110AW  
–55°C to 125°C  
The D package is available taped and reeled. Add the suffix R to the device type, (e.g., SN75110ADR).  
Copyright 1995, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
2–1  
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...11

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