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参数资料
| 型号： | SP312EET-L/TR |
| 厂商： | Exar Corporation |
| 文件页数： | 9/16页 |
| 文件大小： | 0K |
| 描述： | IC DVR/RCVR RS232 5V SGL 18WSOIC |
| 标准包装： | 1,500 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 2/2 |
| 规程： | RS232 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 18-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 18-SOIC |
| 包装： | 带卷 (TR) |
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (50)668-7000 www.exar.com SP202E,232E,233E, 30E, 32E_0_0603
2
AbSoLUTE MAxiMUM RATingS
This is a stress rating only and functional operation of
the device at these ratings or any other above those
indicated in the operation section of the specification
is not implied. Exposure to absolute maximum ratings
conditions for extended periods of time may affect re-
liability.
Supply Voltage (VCC)....................................................+ 6V
V+........................................................................... (Vcc-0.3V) to +.0V
V- .............................................................................-.0V
Input Voltages
Tin.....................................................-0.3V to (Vcc + 0.3V)
Rin............................................................................+/-5V
Output Voltages
Tout...............................................(V+, +0.3V) to (V-, -0.3V
Rout...................................................-0.3V to (Vcc + 0.3V)
Vcc = 5V ±0%, 0.μF charge pump capacitors, Tmin to Tmax, unless otherwise noted, Typical values are Vcc =
5V and Ta=25°C
Short Circuit duration
Tout.....................................................Continuous
Package Power Dissipation:
Plastic DIP...............................................375mW
(derate 7mW/°C above +70°C)
Small Outline...........................................375mW
(derate 7mW/°C above +70°C)
Storage Temperature..................-65°C to +50°C
ELECTRiCAL CHARACTERiSTiCS
PARAMETER
TEST ConDiTionS
Min
TYP
MAx
UniT
TTL inPUT
Logic Threshold LOW
T
in, En, SD, On/OFF
0.8
Volts
Logic Threshold HIGH
T
in, En, SD, On/OFF
2.0
Volts
Logic Pull-Up Current
T
in = 0V
5
200
μA
TTL oUTPUT
Output Voltge LOW
iOuT = 3.2ma: Vcc = +5V
0.4
Volts
Output Voltage HIGH
iOuT = -1.0ma
3.5
Volts
Leakage Current **;
Ta = +25°C
En = Vcc, 0V ≤ VOuT ≤ Vcc
0.05
+/-0
μA
RS-232 oUTPUT
Output Voltage Swing
all Transmitter outputs loaded
with 3k ohms to GND
+/-5.0
+/-6
Volts
Output Resistance
Vcc = 0V, Vout = +/-2V
300
Ohms
Output Short Circuit Current
Infinite Duration
+/-8
mA
Maximum Data Rate
CL = 2500pF, RL = 3kΩ
20
240
kbps
RS-232 inPUT
Voltage Range
-5
+5
Volts
Voltage Threshold LOW
Vcc = 5V,
Ta=25°C
0.8
.2
Volts
Voltage Threshold HIGH
Vcc = 5V,
Ta=25°C
.7
2.8
Volts
Hysteresis
Vcc = 5V,
Ta=25°C
0.2
0.5
.0
Volts
Resistance
Ta = 25°C, -15V ≤ Vin ≤ +15V
3
5
7
kΩ
** SP30E and SP32E only
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