參數(shù)資料
型號： SP3078EMN-L/TR
廠商： Exar Corporation
文件頁數(shù)： 14/20頁
文件大?。?/td> 0K
描述： IC TXRX RS485/RS422 ESD 8NSOIC
標準包裝： 2,500
類型： 收發(fā)器
驅(qū)動器/接收器數(shù)： 1/1
規(guī)程： RS422/RS485
電源電壓： 3.3V
安裝類型： 表面貼裝
封裝/外殼： 8-SOIC（0.154"，3.90mm 寬）
供應商設備封裝： 8-SOICN
包裝： 帶卷 (TR)
3
Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP3070E-SP3078E_02_2020
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.................................................................................................+6.0V
Input Voltage at control input pins (RE, DE).........................-0.3V to 6V
Driver Input Voltage (RE, DE)...............................................-0.3V to 6V
Driver Output Voltage (A, B, Y, & Z)....................................-8V to +3V
Receiver Input Voltage (A, B)..............................................-8V to +3V
Continuous Power Dissipation at T
A = 70
o
C
ElECTRICal CHaRaCTERISTICS
aBSOluTE MaXIMuM RaTINGS
Unless otherwise noted V
CC = +3.3 ±0.3V, ambient temperature TMIN < TA < TMAX. Typical values are at VCC = 3.3,
ambient temperature T
A = +25C. The denotes the specifications which apply over the full operating range un-
less otherwise noted.
8-pin SO (derate 5.88mW/oC above +70oC)................................47mW
4-pin SO (derate 8.33mW/oC above +70oC).............. .............667mW
Operating Temperature Ranges
SP307XE_MN..............................................................-40C to +25C
SP307XE_EN ................................................................-40C to +85C
Junction Temperature.................................................................+50C
Storage Temperature Range.......................................-65C to +50 C
Lead Temperature (soldering, 0s) ..........................................+300 C
PARAMETER
SYM.
MIN.
TYP.
MAX.
UNITS
CONDITIONS
Differential Driver Output
V
OD
2
V
CC
V
RL = 100 (RS-422), Figure 1
1.5
V
CC
RL = 54 (RS-485), Figure 1
V
CC
No Load
Change in Magnitude of
Differential Output Voltage
V
OD
0.2
V
RL = 54 or 100 , Figure 1
Driver Common Mode Output
Voltage
V
OC
V
CC /2
3
V
RL = 54 or 100 , Figure 1
Change in Magnitude of
Common Mode Output
Voltage
V
OC
±0.2
V
RL = 54 or 100 , Figure 1
Input High Voltage
V
IH
2
V
DE, DI, RE
Input Low Voltage
V
IL
0.8
V
DE, DI, RE
Input Hysteresis
V
HYS
100
mV
DE, DI, RE
Input Current
I
IN
-1
1
A
DE, DI, RE
Input Impedance First
Transition (Hotswap)
1
10
k
DE, RE
First transition will draw more
current (Hotswap)
Output Leakage (Y and Z)
Full Duplex (A and B)
I
O
+125
A
DE = GND
V
CC = GND or 3.6V
V
IN = +12 V
-100
V
IN = -7V
Driver Short-Circuit Current
I
OSD
0
±250
mA
-7V V
OUT
12V, (Figure 4A)
-250
0
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