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| SP3490 Datasheet, PDF (3/12 Pages) Sipex Corporation – +3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate | |||
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TAMB = TMIN to TMAX and VCC = +3.3V +/-5% unless otherwise noted.
PARAMETERS
MIN.
TYP.
SP3490 RECEIVER
DC Characteristics
Differential Input Threshold
-0.2
Input Hysteresis
25
Output Voltage HIGH
Vcc-0.4
Output Voltage LOW
Input Resistance
12
15
Input Current (A, B); VIN = 12V
Input Current (A, B); VIN = -7V
Short Circuit Current
SP3490 RECEIVER
AC Characteristics
Max. Transmission Rate
10
Receiver Input to Output, tPLH
40
70
Receiver Input to Output, tPLH
Receiver Input to Output, tPHL
40
70
Receiver Input to Output, tPHL
Differential Receiver Skew
4
POWER REQUIREMENTS
Supply Voltage
3.0
3.3
Supply Current
1000
ESD Protection for D, R, A, B,
+/-2
Y and Z pins
ELECTRICAL CHARACTERISTICS
MAX. UNITS CONDITIONS
+0.2
0.4
+1.0
-0.8
60
Volts
mV
Volts
Volts
kâ¦
mA
mA
mA
-7V ⤠VCM ⤠+12V
VCM = 0V
IO = -1.5mA, VID = +200mV
IO = +2.5mA, VID = -200mV
-7V ⤠VCM ⤠+12V
VIN = 12V
VIN = -7V
0V ⤠VO ⤠VCC
Mbps
120
ns Figures 6 and 12
85
ns TAMB = +25°C, Vcc = 3.3V Figures
6 and 12
120
ns Figures 6 and 12
85
ns TAMB = +25°C, Vcc = 3.3V Figures
6 and 12
ns
|tPHL(A)- tPLH(A)|, |tPHL(B)- tPLH(B)|,
Figures 6 and 12
3.6
2000
V
µA D = 0V or VCC
kV Human Body Model
Exar Corporation 48720 Kato Road, Fremont CA, 94538 ⢠510-668-7017 ⢠www.exar.com
SP3490_3491_102_102710
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