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參數(shù)資料
| 型號(hào)： | SP487ET-L/TR |
| 廠商： | Exar Corporation |
| 文件頁(yè)數(shù)： | 2/9頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC DVR RS485/RS422 QUAD 16SOIC |
| 標(biāo)準(zhǔn)包裝： | 1,500 |
| 類型： | 驅(qū)動(dòng)器 |
| 驅(qū)動(dòng)器/接收器數(shù)： | 4/0 |
| 規(guī)程： | RS422/RS485 |
| 電源電壓： | 5V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-SOIC |
| 包裝： | 帶卷 (TR) |
2
Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP486_487_00_066
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)
Driver Output Voltage.......................................+/-4V
Input Currents
Logic..............................................+/-25mA
Driver.............................................+/-25mA
Storage Temperature........................-65C to +150C
Power Dissipation
Plastic DIP......................................................375mW
(derate 7mW/C above +70C)
Small Outline..................................................375mW
(derate 7mW/C above +70C)
ELECTRICAL CHARACTERISTICS
V
CC = +5.0V +/-5%; typicals at 25°C; TMIN ≤ TAMB ≤ TMAX unless otherwise noted.
PARAMETERS
MIN.
TYP.
MAX.
UNITS CONDITIONS
DC CHARACTERISTICS
DIGITAL INPUTS
DI, EN, EN, EN
/EN2, EN3/EN4
Voltage V
IL
0.8
Volts
Voltage V
IH
2.0
Volts
Input Current
+/-2
A
V
IN = 0V to VCC
DRIVER OUTPUTS
Differential Voltage
5
Volts
I
O = 0; unloaded
Differential Voltage
2
Volts
R
L = 50 (RS-422); Figure 1
Differential Voltage
.5
2
5
Volts
R
L = 27 (RS-485); Figure 1
Change in Output Magnitude
for Complementary Output
state
0.2
Volts
R
L = 27 or 50; Figure 1
Common Mode Output Voltage
2.3
3
Volts
R
L = 27 or 50; Figure 1
Change in Common Mode
Output Magnitude for
Complementary Output state
0.2
Volts
R
L = 27 or 50; Figure 1
Driver Short Circuit Current V
OH
+/-250
mA
-7V ≤ V
O ≤ +10V
Driver Short Circuit Current V
OL
+/-250
mA
-7V ≤ V
O ≤ +10V
High Impedance Output
Current
+/-2
+/-200
A
V
O = -7V to +0V
POWER REQUIREMENTS
Supply Voltage
4.75
5.25
Volts
Supply Current
0.5
0
A
No load, output enabled
Supply Current
0.
0
A
No load, output disabled
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