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参数资料
| 型号： | SP3243EET-L/TR |
| 厂商： | Exar Corporation |
| 文件页数： | 12/24页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS232 INTELLIGNT 28WSOIC |
| 标准包装： | 1,500 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 3/5 |
| 规程： | RS232 |
| 电源电压： | 3 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 28-SOIC W |
| 包装： | 带卷 (TR) |
2
Exar Corporation 48720 Kato Road, Fremont CA, 94538 510-668-7017 www.exar.com
SP3243E_102_060611
NOTE 1: V+ and V- can have maximum magnitudes of
7V, but their absolute difference cannot exceed 13V.
ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation
of the device at these ratings or any other above those
indicated in the operation sections of the specifications
below is not implied. Exposure to absolute maximum
rating conditions for extended periods of time may
affect reliability and cause permanent damage to the
device.
V
CC.......................................................-0.3V to +6.0V
V+ (NOTE 1).......................................-0.3V to +7.0V
V- (NOTE 1)........................................+0.3V to -7.0V
V+ + |V-| (NOTE 1)...........................................+13V
I
CC (DC VCC or GND current).........................+100mA
Input Voltages
TxIN, ONLINE,SHUTDOWN, .....-0.3V to Vcc +6.0V
RxIN...................................................................+15V
Output Voltages
TxOUT.............................................................+13.2V
RxOUT, STATUS.......................-0.3V to (V
CC +0.3V)
Short-Circuit Duration
TxOUT....................................................Continuous
Storage Temperature......................-65°C to +150°C
Unless otherwise noted, the following specifications apply for V
CC = +3.0V to +5.5V with TAMB = TMIN to TMAX,
C1 - C4 = 0.1F. Typical values apply at V
CC = +3.3V or +5.0V and TAMB = 25°C.
Power Dissipation per package
28-pin SOIC (derate 12.7mW/oC above +70oC).........1000mW
28-pin SSOP (derate 11.2mW/oC above +70oC)..........900mW
28-pin TSSOP (derate 13.2mW/oC above +70oC)......1059mW
32-pin QFN (derate 29.4mW/oC above +70oC)...........2352mW
ELECTRICAL CHARACTERISTICS
PARAMETER
MIN.
TYP.
MAX. UNITS CONDITIONS
DC CHARACTERISTICS
Supply Current, AUTO ON-
LINE
1.0
10
A
All RxIN open, ONLINE = GND,
SHUTDOWN = V
CC, VCC = 3.3V
T
AMB = 25
o
C, TxIN = GND or V
CC
Supply Current, Shutdown
1.0
10
A
SHUTDOWN = GND, VCC = 3.3V,
T
AMB = 25
o
C, TxIN = Vcc or GND
Supply Current
AUTO ON-LINE Disabled
0.3
1.0
mA
ONLINE = SHUTDOWN = Vcc, no
load, V
CC = 3.3V, TAMB = +25
o
C,
TxIN = GND or V
CC
LOGIC INPUTS AND RECEIVER OUTPUTS
Input Logic Threshold
LOW
HIGH
2.4
0.8
V
CC = =3.3V or =5.0V, TxIN
ONLINE, SHUTDOWN
Input Leakage Current
+0.01
+1.0
A
TxIN, ONLINE, SHUTDOWN,
T
AMB = +25
o
C, V
IN = 0V to VCC
Output Leakage Current
+0.05
+10
A
Receivers disabled, V
OUT = 0V to VCC
Output Voltage LOW
0.4
V
I
OUT = 1.6mA
Output Voltage HIGH
V
CC -0.6
V
CC -0.1
V
I
OUT = -1.0mA
DRIVER OUTPUTS
Output Voltage Swing
+5.0
+5.4
V
All driver outputs loaded with 3K to
GND, T
AMB = +25
o
C
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