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參數(shù)資料
| 型號： | SP331ET-L/TR |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 8/13頁 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS232/485 PROG 28WSOIC |
| 標準包裝： | 1,500 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 4/4 |
| 規(guī)程： | RS232，RS485 |
| 電源電壓： | 5V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 28-SOIC W |
| 包裝： | 帶卷 (TR) |
4
Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP33_00_0260
SPECIFICATIONS
PARAMETER
MIN.
TYP.
MAX.
UNITS CONDITIONS
POWER REQUIREMENTS
Supply Voltage V
CC
+4.75
+5.25
Volts
Supply Current I
CC
No Load (T
X Disabled)
0
5
mA
SEL_A SEL_D = "0001"
No Load (RS-232 Mode)
5
30
mA
SEL_A SEL_D = "0000"
No Load (RS-485 Mode)
7
20
mA
SEL_A SEL_D = "1100"
ENVIRONMENTAL
Operating Temperature
Commercial (_C_)
0
70
C
Industrial (_E_)
-40
+85
C
Storage Temperature
-65
+50
C
RECEIVER INPUT gRAPH
RS-485 RECEIVER
+1.0mA
-0.6mA
+6V
+12V
-3V
-7V
Maximum Input Current
Versus Voltage
1 Unit Load
TEST CIRCUITS
A
B
R
VOD
VOC
Figure . Driver DC Test Load Circuit
C
L1
15pF
RO
A
B
A
B
DI
C
L2
R
L
Figure 2. Driver/Receiver Timing Test Circuit
500
CL
Output
Under
Test
S1
S2
VCC
Figure 3. Driver Timing Test Load #2 Circuit
Limits are specified at T
A = 25°C and VCC = +5.0V unless otherwise noted.
Note 1: Exceeding the maximum data rate of 8Mbps at T
A = 85°C may permanently damage the device
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