XBLW MAX232
5VDual channel RS-232 Drivers/Receivers
General Description
The MAX232 is a dual driver/receiver of RS-232 standard with a single supply voltage
and bipolar output voltage
of the transmitter formed by a built-In voltage multiplying generator on four 1.0µF
external capacitors, designed
for use in state-of-the-art high performance computing systems, high-speed electronic
devices with high reliability
of information exchange between remote objects.
Input voltage levels are compatible with standard CMOS and TTL levels.
Features
Output voltage levels are compatible with input levels of CMOS and TTL integrated circuits
Meets All EIA/TIA-232E and V.28/V.24 Specifications
Supply voltage range from 5.5V
Low input current: 1.0µA at 25°C
Output current 30mA
Available in SOP-16 DIP-16 Package
Applications
Portable Computers
Battery-Powered RS-232 Systems
Interface Translation
Low-Power Modems
Terminals
Order Information
Product Model
Package Type
Marking
Packing
Packing Qty
XBLW MAX232N
DIP-16
MAX232N
Tape
1000/Box
XBLW MAX232EDTR
SOP-16
MAX232E
Tube
2500/Reel
XBLW MAX232EEDTR
SOP-16
MAX232EE
Tube
2500/Reel
XBLWversion1.0
文档仅供参考,实际应用测试为准
www.xinboleic.com
技术支持热线:4009682003
Additional
Remarks
ESD
第1页共8页
XBLW MAX232
5VDual channel RS-232 Drivers/Receivers
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
MIN.
MAX.
UNIT
VCC
-0.3
6.0
V
Transmitter High Output Voltage
V+
VCC-0.3
9.8
V
Transmitter Low Output Voltage
V-
-9.0
0.3
V
Transmitter Input Voltage
VTIN
-0.3
V+ +0.3
V
Receiver Input Voltage
VRIN
-20
20
V
Voltage Applied to Transmitter Output
V TOUT
V- -0.3
V+ +0.3
V
Voltage Applied to Receiver Output
VROUT
-0.3
VCC+0.3
V
T STG
-65
150
°C
SYMBOL
MIN.
MAX.
UNIT
Supply Voltage
VCC
4.5
5.5
V
Transmitter Input Voltage
VTIN
0
VCC
V
Receiver Input Voltage
VRIN
-20
20
V
Output Current of Transmitter Short Circuit
ISC
-
±60
mA
Ambient Temperature Range
TA
-40
+85
°C
Supply Voltage
Storage Temperature Range
RECOMMENDED OPERATING CONDITIONS
PARAMETER
PIN CONFIGURATION
XBLWversion1.0
文档仅供参考,实际应用测试为准
www.xinboleic.com
技术支持热线:4009682003
第2页共8页
XBLW MAX232
5VDual channel RS-232 Drivers/Receivers
PIN DESCRIPTION
Pin Description
Pin No.
Pin Name
1
C1+
Terminal for Positive Charge- Pump C1 Capacitor
2
V+
Positive Voltage Generated by the Charge- Pump
3
C1-
Terminal for Negative Charge- Pump C1 Capacitor
4
C2+
Terminal for Positive Charge- Pump C2 Capacitor
5
C2-
Terminal for Negative Charge- Pump C2 Capacitor
6
V-
Negative Voltage Generated by the Charge- Pump
7
T2 OUT
RS-232 Driver Output (Levels RS-232)
8
R2IN
RS-232 Receiver Input (Levels RS-232)
9
R2OUT
10
T2IN
RS-232 Driver Input (Levels TTL/CMOS)
11
T1IN
RS-232 Driver Input (Levels TTL/CMOS)
12
R1OUT
13
R1IN
RS-232 Receiver Input (Levels RS-232)
14
T1 OUT
RS-232 Driver Output (Levels RS-232)
15
GND
Ground
16
VCC
Supply Voltage Input
XBLWversion1.0
RS- 232 Receiver Output (Levels TTL/CMOS)
RS- 232 Receiver Output (Levels TTL/CMOS)
文档仅供参考,实际应用测试为准
www.xinboleic.com
技术支持热线:4009682003
第3页共8页
XBLW MAX232
5VDual channel RS-232 Drivers/Receivers
TYPICAL APPLICATION CIRCUIT
FUNCTION TABLE
XBLWversion1.0
INPUT
OUTPUT
(RIN, TIN)
(ROUT, TOUT)
L (Low Level)
H (High Level)
H (High Level)
L (Low Level)
文档仅供参考,实际应用测试为准
www.xinboleic.com
技术支持热线:4009682003
第4页共8页
XBLW MAX232
5VDual channel RS-232 Drivers/Receivers
ELECTRICAL CHARACTERISTICS
( Limits in standard typeface are for TA=2 5 ° C, and the limits in boldface type apply over full operating temperature range.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN.
TYP.
MAX.
UNIT
ICC
VCC = 5.5V
VIL = 0V
-
-
10.0
14.0
mA
Hysteresis Voltage
Vh
VCC = 5.0V
0.2
0.2
-
0.9
1.0
V
On (Operation) Voltage
Von
VO ≤ 0.1V, IOL ≤ 20µA
-
-
2.4
2.3
V
Off (Dropout) Voltage
Voff
VO ≥ VCC - 0.1V
IOH ≤ -20µA
0.8
0.9
-
-
V
Output Low Voltage
VOL
IL = 3.2mA, VCC = 4.5V,
VIH = 2.4V
-
-
0.3
0.4
V
Output High Voltage
VOH
IOH = -1.0mA, VCC = 4.5V,
VIL = 0.8V
3.6
3.5
-
-
V
VCC = 5.0V
3.0
3.0
-
7.0
7.0
kΩ
Supply Current
Receiver Parameters
Input Resistance
RI
Transmitter Parameters
Output Low Voltage
VOL
VCC = 4.5V, VIH = 2.0V,
RL = 3.0kΩ
-
-
-5.2
-5.0
V
Output High Voltage
VOH
VCC = 4.5V, VIL = 0.8V,
RL = 3.0kΩ
5.2
5.0
-
-
V
Input Low Current
IIL
VCC = 5.5V, VIL = 0V
-
-
-1.0
-10.0
µA
Input High Current
IIH
VCC = 5.5V, VIH = VCC
-
-
1.0
10.0
µA
Speed Of Output Front Charge
SR
3.0
2.7
-
30
27
V/ µs
Output Resistance
RO
VCC = 5.0V, CL = 50 1000pF, RL = 3.0 - 7.0kΩ
VCC = V+ = V- = 0V
VO = ±2V
350
300
-
-
Ω
-
-
-50
-60
-
-
50
60
Short Circuit Output Current
ISC
VCC = 5.5V
VO = 0V
VI = VCC
VI = 0
mA
ST
VCC = 4.5V, CL = 1000pF,
RL = 3.0kΩ , tW = 7 µs (for
extreme, tW = 8 µs)
140
120
-
-
kbit/s
Signal Propagation Delay
Time When Switching On
(Off)
tPHLR
(tPLHR)
VCC = 4.5V, CL = 150pF,
VIL = 0V, VIH = 3.0V,
tLH = tHL ≤ 10ns
-
-
9.7
10.0
µs
Signal Propagation Delay
Time When Switching On
(Off)
tPHLT
(tPLHT)
VCC = 4.5V, CL = 2500pF,
VIL = 0V, VIH = 3.0V,
RL = 3kΩ , tLH = tHL ≤ 10ns
-
-
5.0
6.0
µs
Speed Of Information
Transmission
Dynamic Parameters
XBLWversion1.0
文档仅供参考,实际应用测试为准
www.xinboleic.com
技术支持热线:4009682003
第5页共8页
XBLW MAX232
5VDual channel RS-232 Drivers/Receivers
TIMING DIAGRAM
Figure 1 . tPHL and tPLH waveforms of Receiver
Figure 2 . tPHL and tPLH waveforms of Transmitter
Figure 3 . tSLH and tSHL waveforms of Transmitter
XBLWversion1.0
文档仅供参考,实际应用测试为准
www.xinboleic.com
技术支持热线:4009682003
第6页共8页
XBLW MAX232
5VDual channel RS-232 Drivers/Receivers
Package Information
SOP16
XBLWversion1.0
文档仅供参考,实际应用测试为准
www.xinboleic.com
技术支持热线:4009682003
第7页共8页
XBLW MAX232
5VDual channel RS-232 Drivers/Receivers
Statement:
Shenzhen xinbole electronics co., ltd. reserves the right to change the product specifications, without notice!
Before placing an order, the customer needs to confirm whether the information obtained is the latest version,
and verify the integrity of the relevant information.
Any semiconductor product is liable to fail or malfunction under certain conditions, and the buyer shall be
responsible for complying with safety standards in the system design and whole machine manufacturing using
Shenzhen xinbole electronics co., ltd products, and take appropriate security measures to avoid the potential risk
of failure may result in personal injury or property losses of the situation occurred!
Product performance is never ending, Shenzhen xinbole electronics co., ltd will be dedicated to provide
customers with better performance, better quality of integrated circuit products.
XBLWversion1.0
文档仅供参考,实际应用测试为准
www.xinboleic.com
技术支持热线:4009682003
第8页共8页
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