SP336EEY-0A-EB Datasheet, PDF (12/30 Pages) Exar Corporation – 3.3V / 5V PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER

SP336E
3.3V / 5V PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER
REV. 1.0.1
UNLESS OTHERWISE NOTED: VCC = +3.3V +/-5% OR +5.0V +/-5%; TA = TMIN TO TMAX. TYPICAL VALUES ARE AT
VCC = 3.3V, TA = +25^OC.
SYMBOL
PARAMETERS
MIN. TYP. MAX. UNITS
CONDITIONS
I_OZ
Receiver Output Leakage Current
+/- +/-1 μA Receivers Disabled.
0.05
SINGLE-ENDED RECEIVER INPUTS (RS-232)
Input Voltage Range
-15
+15 V
Input Threshold Low
0.6 1.2
V V_CC = 3.3V.
0.8 1.5
V V_CC = 5.0V.
Input Threshold HIGH
1.5 2.0
V V_CC = 3.3V.
1.8 2.4
V V_CC = 5.0V.
Input Hysteresis
0.5
V
Input Resistance
3
5
7
kΩ
DIFFERENTIAL RECEIVER INPUTS (RS-485 / RS-422)
R_IN
Receiver Input Resistance
96
kΩ _{-7V ≤ VCM ≤ +12V.}
V_TH
Receiver Differential Threshold Volt- -200 -125 -50 mV
age
ΔV_TH
Receiver Input Hysteresis
30
mV V_CM = 0V.
I_IN
Input Current
125
-100
μA DE = 0V, V_IN = 12V, Full-Duplex.
μA DE = 0V, V_IN = -7V, Full-Duplex.
SINGLE-ENDED DRIVER OUTPUTS (RS-232)
V_O
Output Voltage Swing
+/-5.0 +/-5.4
V Output Loaded with 3kΩ to
GND.
+/-6.0 V No Load Output.
Short Circuit Current
+/-60 mA V_O = 0V.
Power Off Impedance
300 10M
Ω Vcc = 0V; V_O = +/-2V.
DIFFERENTIAL DRIVER OUTPUTS (RS-485 / RS-422)
V_OD
Differential Driver Output (Tx_Out)
2
Vcc
V R_L = 100Ω (RS-422), Figure 4.
1.5
Vcc
V R_L = 54Ω (RS-485), Figure 4.
1.5
Vcc
V V_CM = -7V, Figure 5.
1.5
Vcc
V V_CM = +12V, Figure 5.
ΔV_OD
Change In Magnitude of Differential -0.2
Output Voltage
+0.2 V R_L = 54Ω or 100Ω, Figure 4.
V_OC
Driver Common Mode Output Volt-
age
3
V R_L = 54Ω or 100Ω, Figure 4.
ΔV_OC
Change In Magnitude of Common
Mode Output Voltage
0.2
V R_L = 54Ω or 100Ω, Figure 4.
Driver Output Short Circuit Current
+/-250 mA V = +12V to -7V, Figure 6.
I_O
Output Leakage Current
+/-100 μA DE = 0V or Shutdown, V_O =
+12V to -7V.
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