參數(shù)資料
型號: SP3490EN-L
廠商: Exar Corporation
文件頁數(shù): 6/12頁
文件大小: 0K
描述: IC TXRX RS485 FULL DUPLEX 8NSOIC
標準包裝: 98
類型: 收發(fā)器
驅(qū)動器/接收器數(shù): 1/1
規(guī)程: 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: 管件
其它名稱: 1016-1147-5
3
Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP3490_349_02_0270
PARAMETERS
MIN.
TYP.
MAX.
UNITS CONDITIONS
SP3490 RECEIVER
DC Characteristics
Differential Input Threshold
-0.2
+0.2
Volts
-7V ≤ V
CM ≤ +12V
Input Hysteresis
25
mV
V
CM = 0V
Output Voltage HIGH
Vcc-0.4
Volts
I
O = -.5mA, VID = +200mV
Output Voltage LOW
0.4
Volts
I
O = +2.5mA, VID = -200mV
Input Resistance
2
5
k
-7V ≤ V
CM ≤ +12V
Input Current (A, B); V
IN = 2V
+.0
mA
V
IN = 2V
Input Current (A, B); V
IN = -7V
-0.8
mA
V
IN = -7V
Short Circuit Current
60
mA
0V ≤ V
O ≤ VCC
SP3490 RECEIVER
AC Characteristics
Max. Transmission Rate
0
Mbps
Receiver Input to Output, t
PLH
40
70
20
ns
Figures 6 and 2
Receiver Input to Output, t
PLH
85
ns
T
AMB = +25°C, Vcc = 3.3V Figures
6 and 2
Receiver Input to Output, t
PHL
40
70
20
ns
Figures 6 and 2
Receiver Input to Output, t
PHL
85
ns
T
AMB = +25°C, Vcc = 3.3V Figures
6 and 2
Differential Receiver Skew
4
ns
|t
PHL(A)- tPLH(A)|, |tPHL(B)- tPLH(B)|,
Figures 6 and 2
POWER REQUIREMENTS
Supply Voltage
3.0
3.3
3.6
V
Supply Current
000
2000
A
D = 0V or V
CC
ESD Protection for D, R, A, B,
Y and Z pins
+/-2
kV
Human Body Model
ELECTRICAL CHARACTERISTICS
T
AMB = TMIN to TMAX and VCC = +3.3V +/-5% unless otherwise noted.
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