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参数资料
| 型号： | SP312EET-L/TR |
| 厂商： | Exar Corporation |
| 文件页数： | 10/16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) |
3
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (50)668-7000 www.exar.com SP202E,232E,233E, 30E, 32E_0_0603
Parameter
TEST ConDiTionS
Min
TYP
MAx
Unit
DYnAMiC CHARACTERiSTiCS
Driver Propagation Delay
TTL to RS-232; C
L = 50pF
.5
3.0
μs
Receiver Propagation Delay
RS-232 to TTL
0.
.0
μs
Instantaneous Slew Rate
C
L = 0pF, RL = 3-7kΩ; TA= 25°C
30
V/μs
Transition Region Slew Rate
C
L = 2500pF, RL = 3kΩ;
Measured from +3V to -3V or
-3V to +3V
0
V/μs
Output Enable Time **
SP30E and SP32E only
400
ns
Output Disable Time **
SP30A and SP32A only
250
ns
PoWER REQUiREMEnTS
Vcc Power Supply Current
No Load, Vcc = 5V, T
A= 25°C
3
5
mA
Vcc Power Supply Current, Loaded
All Transmitters R
L = 3kΩ,
T
a= 25°C
5
mA
Shutdown Supply Current **
Vcc = 5V, T
a= 25°C
5
μA
** SP30E and SP32E only
ELECTRiCAL CHARACTERiSTiCS
Vcc = 5V ±0%, 0.μF charge pump capacitors, Tmin to Tmax, unless otherwise noted, Typical values are Vcc =
5V and Ta=25°C
PERFoRMAnCE CURvES
0
2
4
6
8
10
12
14
Load Current (mA)
V–
V
oltage
(V
olts)
-3
-4
-5
-6
-7
-8
-9
-10
-11
VCC = 6V
VCC = 5V
VCC = 4V
-55
-40
0
25
70
85
25
Temperature ( C)
0
5
0
5
20
25
30
VCC = 6V
VCC = 5V
VCC = 4V
VCC = 3V
I CC
(m
A)
0
5
10
15
20
Load Current (mA)
0
6
8
10
12
V+
(V
olts)
2
4
VCC = 5V
VCC = 4V
VCC = 6V
25 30
35
40
4.5
4.75
5.0
5.25
5.5
VCC(Volts)
5.0
6.5
7.0
7.5
8.0
8.5
9.0
Load current = 0mA
TA = 25C
V
OH
(Volts
)
5.5
6.0
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