"TI-TRSF3238E.pdf：RS232收发器功能与应用介绍"
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更新于2023-12-20
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The TRSF3238E is a high-performance RS232 transceiver designed for use in a wide range of applications. This transceiver, available in a variety of package options, operates at voltage levels of 3V to 5.5V, making it suitable for a diverse array of electronic systems. With features such as multiple data inputs and outputs, voltage and ground connections, and built-in force-on and force-off capabilities, the TRSF3238E offers versatility and reliability in communication and control tasks.
The TRSF3238E is ideal for use in communication systems, industrial automation, medical equipment, and more. Its robust construction and adaptable design ensure that it can perform effectively in demanding operating environments. Whether it is facilitating data exchange in a networked office setting or enabling precise control in a manufacturing facility, the TRSF3238E delivers consistent and dependable performance.
With its compact form factor and comprehensive feature set, the TRSF3238E offers a cost-effective solution for integrating RS232 communication capabilities into a wide range of devices and systems. Its compatibility with different package options makes it a versatile choice for manufacturers and designers seeking to incorporate reliable RS232 transceiver functionality into their products.
In conclusion, the TRSF3238E is a high-quality, flexible RS232 transceiver that meets the demands of modern electronic applications. Its wide operating voltage range, various package options, and versatile feature set make it an excellent choice for a diverse range of communication and control tasks. Whether used in industrial, commercial, or medical settings, the TRSF3238E provides a reliable and efficient solution for RS232 communication needs. For products and systems requiring robust and dependable RS232 functionality, the TRSF3238E is a top choice. For more information and detailed specifications, please visit www.ti.com and refer to the "TI-TRSF3238E.pdf."
www.ti.com
Absolute Maximum Ratings
(1)
Recommended Operating Conditions
(1)
Electrical Characteristics
(1)
TRSF3238E
3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER
WITH ± 15-kV ESD (HBM) PROTECTION
SLLS826 – AUGUST 2007
over operating free-air temperature range (unless otherwise noted)
MIN MAX UNIT
V
CC
Supply voltage range
(2)
–0.3 6 V
V+ Positive-output supply voltage range
(2)
–0.3 7 V
V– Negative-output supply voltage range
(2)
0.3 –7 V
V+ – V– Supply voltage difference
(2)
13 V
Driver ( FORCEOFF, FORCEON) –0.3 6
V
I
Input voltage range V
Receiver –25 25
Driver –13.2 13.2
V
O
Output voltage range V
Receiver ( INVALID) –0.3 V
CC
+ 0.3
DB package 62
DW package 46
θ
JA
Package thermal impedance
(3) (4)
° C/W
PW package 62
RHB package TBD
T
J
Operating virtual junction temperature 150 ° C
T
stg
Storage temperature range –65 150 ° C
(1) Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating
conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) All voltages are with respect to network GND.
(3) Maximum power dissipation is a function of T
J
(max), θ
JA
, and T
A
. The maximum allowable power dissipation at any allowable ambient
temperature is P
D
= (T
J
(max) – T
A
)/ θ
JA
. Operating at the absolute maximum T
J
of 150 ° C can affect reliability.
(4) The package thermal impedance is calculated in accordance with JESD 51-7.
See Figure 6
MIN NOM MAX UNIT
V
CC
= 3.3 V 3 3.3 3.6
Supply voltage V
V
CC
= 5 V 4.5 5 5.5
V
CC
= 3.3 V 2 5.5
DIN, FORCEOFF,
V
IH
Driver and control high-level input voltage V
FORCEON
V
CC
= 5 V 2.4 5.5
V
IL
Driver and control low-level input voltage DIN, FORCEOFF, FORCEON 0 0.8 V
V
I
Receiver input voltage –25 25 V
TRSF3238EC 0 70
T
A
Operating free-air temperature ° C
TRSF3238EI –40 85
(1) Testing supply conditions are C1–C4 = 0.1 μ F at V
CC
= 3.3 V ± 0.15 V; C1–C4 = 0.22 μ F at V
CC
= 3.3 V ± 0.3 V; and C1 = 0.047 μ F
and C2–C4 = 0.33 μ F at V
CC
= 5 V ± 0.5 V.
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 6 )
PARAMETER TEST CONDITIONS MIN TYP
(2)
MAX UNIT
I
I
Input leakage current FORCEOFF, FORCEON ± 0.01 ± 1 μ A
No load,
Auto-powerdown plus
FORCEOFF and FORCEON at V
CC
, 0.5 2 mA
disabled
V
CC
at 3.3 V or 5 V
Supply current
I
CC
Powered off No load, FORCEOFF at GND 1 10
(T
A
= 25 ° C)
No load, FORCEOFF at V
CC
,
μ A
Auto-powerdown plus
FORCEON at GND, 1 10
enabled
All RIN are open or grounded
(1) Testing supply conditions are C1–C4 = 0.1 μ F at V
CC
= 3.3 V ± 0.15 V; C1–C4 = 0.22 μ F at V
CC
= 3.3 V ± 0.3 V; and C1 = 0.047 μ F
and C2–C4 = 0.33 μ F at V
CC
= 5 V ± 0.5 V.
(2) All typical values are at V
CC
= 3.3 V or V
CC
= 5 V, and T
A
= 25 ° C.
5
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