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| 型号： | SP332ET-L/TR |
| 厂商： | Exar Corporation |
| 文件页数： | 4/11页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS232/485 SRL 28WSOIC |
| 标准包装： | 1,500 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 4/4 |
| 规程： | RS232，RS485 |
| 电源电压： | 5V |
| 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 50-668-707 www.exar.com
SP332_00_0260
SPECIFICATIONS
PARAMETER
MIN.
TYP.
MAX.
UNITS CONDITIONS
RS-485 DRIVER
DC Characteristics
Differential Output Voltage
GND
Vcc
Volts
Unloaded; R = ∞; See Figure 1
Differential Output Voltage
2.0
5.0
Volts
With load; R = 50 (RS-422); See
Figure 1
Differential Output Voltage
.5
5.0
Volts
With load; R = 27 (RS-485); See
Figure 1
Change in Magnitude of Driver
Differential Output Voltage for
Complementary States
0.2
Volts
R = 27 or R = 50; See Figure 1
Driver Common-Mode Output
Voltage
3
Volts
R = 27 or R = 50; See Figure 1
Input High Voltage
2.0
Volts
Applies to transmitter inputs, SEL A,
SEL B, SD and LB
Input Low Voltage
0.8
Volts
Applies to transmitter inputs, SEL A,
SEL B, SD and LB
Input Current
+/-0
A
Applies to transmitter inputs, SEL A,
SEL B, SD and LB
Pull-Up Current
.5
A
Pull-Down Current
3.0
A
Driver Short Circuit Current
V
OUT = HIGH
35
250
mA
-7V ≤ V
O ≤ 10V
Driver Short Circuit Current
V
OUT = LOW
35
250
mA
-7V ≤ V
O ≤ 10V
AC Characteristics
Driver Data Rate
0
Mbps
Driver Data Rate
8
Mbps
T
A = +85°C, Note
Driver Input to Output t
PLH
70
80
ns
R
DIFF = 54, CL = CL2 = 00pF; See
Figures 3 and 5
Driver Input to Output t
PHL
70
80
ns
R
DIFF = 54, CL = CL2 = 00pF; See
Figures 3 and 5
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.
V
CC.......................................................................+7V
Input Voltages
Logic............................-0.5V to (Vcc+0.5V)
Drivers.........................-0.5V to (Vcc+0.5V)
Receivers......................+/-30V @ ≤100mA
Driver Outputs..................................................+/-15V
Maximum Data Rate..........................8Mbps (Note 1)
Storage Temperature.......................-65C to +150C
Power Dissipation
28-pin WSOIC...................................000mW
Package Derating:
28-pin WSOIC
JA................................................40 °C/W
Limits are specified at T
A = 25°C and VCC = +5.0V unless otherwise noted.
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