SP3070E Datasheet, PDF (3/20 Pages) Exar Corporation – ±15kV ESD-Protected, 3.3V, 1/8 Load, Failsafe RS-485/RS422 Transceivers

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 +13V
Receiver Input Voltage (A, B)..............................................-8V to +13V
Continuous Power Dissipation at T_A = 70^oC
ABSOLUTE MAXIMUM RATINGS
8-pin SO (derate 5.88mW/^oC above +70^oC)................................471mW
14-pin SO (derate 8.33mW/^oC above +70^oC).............. .............667mW
Operating Temperature Ranges
SP307XE_MN..............................................................-40ºC to +125ºC
SP307XE_EN ................................................................-40ºC to +85ºC
Junction Temperature.................................................................+150ºC
Storage Temperature Range.......................................-65ºC to +150º C
Lead Temperature (soldering, 10s) ..........................................+300º C
ELECTRICAL CHARACTERISTICS
Unless otherwise noted V_CC = +3.3 ±0.3V, ambient temperature T_MIN < T_A < T_MAX. Typical values are at V_CC = 3.3,
ambient temperature T_A = +25ºC. The ♦ denotes the specifications which apply over the full operating range un-
less otherwise noted.
PARAMETER
SYM.
Differential Driver Output
V_OD
Change in Magnitude of
Differential Output Voltage
Driver Common Mode Output
Voltage
Change in Magnitude of
Common Mode Output
Voltage
Input High Voltage
Input Low Voltage
Input Hysteresis
Input Current
∆ V _OD
V_OC
∆ V _OC
V_IH
V_IL
V_HYS
I_IN
Input Impedance First
Transition (Hotswap)
Output Leakage (Y and Z)
Full Duplex (A and B)
I_O
Driver Short-Circuit Current
I_OSD
MIN.
2
1.5
TYP.
MAX. UNITS ♦
CONDITIONS
V_CC
RL = 100Ω (RS-422), Figure 1
V_CC
V
RL = 54Ω (RS-485), Figure 1
V_CC
♦ No Load
0.2
V ♦ RL = 54 or 100Ω, Figure 1
V_CC /2
3
V ♦ RL = 54 or 100Ω, Figure 1
±0.2
V
RL = 54 or 100Ω, Figure 1
2
-1
1
-100
0
-250
0.8
100
1
10
+125
±250
0
V ♦ DE, DI, RE
V
DE, DI, RE
mV ♦ DE, DI, RE
µA ♦ DE, DI, RE
DE, RE
k Ω ♦ First transition will draw more
current (Hotswap)
µA
♦ _{DE = GND}
♦ ^VCC ^{= GND or 3.6V}
V_IN = +12 V
V_IN = -7V
mA
-7V ≤ V_OUT ≤12V, (Figure 4A)
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com
3
SP3070E-SP3078E_100_061109