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SN75LBC180A

更新时间： 2024-10-30 21:55:23
品牌 Logo 应用领域
德州仪器 - TI 驱动器
页数 文件大小 规格书
19页 414K
描述
LOW POWER DIFFERENTIAL LINE DRIVER AND RECEIVER PAIRS

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SN75LBC180A 数据手册

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SLLS378C − MAY 2000 − REVISED JUNE 2002  
SN65LBC180AD (Marked as BL180A)  
D
High-Speed Low-Power LinBICMOS  
Circuitry Designed for Signaling Rates of  
up to 30 Mbps  
SN65LBC180AN (Marked as 65LBC180A)  
SN75LBC180AD (Marked as LB180A)  
SN75LBC180AN (Marked as 75LBC180A)  
(TOP VIEW)  
†
D
D
D
D
Bus-Pin ESD Protection Exceeds 12 kV  
HBM  
NC  
R
V
V
A
B
Z
Y
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
CC  
CC  
Very Low Disabled Supply-Current  
Requirements . . . 700 µA Maximum  
Designed for High-Speed Multipoint Data  
Transmission Over Long Cables  
RE  
DE  
D
Common-Mode Voltage Range of  
−7 V to 12 V  
GND  
GND  
8
NC  
D
Low Supply Current . . . 15 mA Max  
NC−No internal connection  
D
Compatible With ANSI Standard  
TIA/EIA-485-A and ISO 8482:1987(E)  
Function Tables  
D
D
Positive and Negative Output Current  
Limiting  
DRIVER  
INPUT  
ENABLE  
OUTPUTS  
Driver Thermal Shutdown Protection  
D
H
L
X
Open  
DE  
H
H
Y
H
L
Z
L
H
Z
L
description  
L
Z
The SN65LBC180A and SN75LBC180A  
H
H
differential driver and receiver pairs are monolithic  
integrated circuits designed for bidirectional data  
communication over long cables that take on the  
characteristics of transmission lines. They are  
balanced, or differential, voltage mode devices  
that are compatible with ANSI standard  
TIA/EIA-485-A and ISO 8482:1987(E). The A  
version offers improved switching performance  
over its predecessors without sacrificing  
significantly more power.  
RECEIVER  
DIFFERENTIAL INPUTS  
A−B  
ENABLE  
OUTPUT  
RE  
L
L
L
H
L
R
H
?
L
Z
H
V
≥ 0.2 V  
ID  
≤ − 0.2 V  
X
ID  
−0.2 V < V < 0.2 V  
V
ID  
Open circuit  
H = high level, L = low level, ? = indeterminate, X = irrelevant,  
Z = high impedance (off)  
These devices combine a differential line driver and differential input line receiver and operate from a single 5-V  
power supply. The driver differential outputs and the receiver differential inputs are connected to separate  
terminals for full-duplex operation and are designed to present minimum loading to the bus when powered off  
(V  
= 0). These parts feature wide positive and negative common-mode voltage ranges, making them suitable  
CC  
for point-to-point or multipoint data bus applications. The devices also provide positive and negative current  
limiting for protection from line fault conditions. The SN65LBC180A is characterized for operation from −40°C  
to 85°C, and the SN75LBC180A is characterized for operation from 0°C to 70°C.  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
†
Signaling rate by TIA/EIA-485-A definition restrict transition times to 30% of the bit duration, and much higher signaling rates may be achieved  
without this requirement as displayed in the TYPICAL CHARACTERISTICS of this device.  
LinBiCMOS is a trademark of Texas Instruments.  
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Copyright 2002, Texas Instruments Incorporated  
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1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...19

中文翻译

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SN75LBC180A 替代型号

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