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| SP335E_17 Datasheet, PDF (3/23 Pages) Exar Corporation – TRANSCEIVER WITH INTERNAL TERMINATION | |||
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SP335E
REV. 1.0.2
RS-232/RS-485/RS-422 TRANSCEIVER WITH INTERNAL TERMINATION
ELECTRICAL CHARACTERISTICS
UNLESS OTHERWISE NOTED: ï
VCC = +3.0V to +5.5V, C1-C4 = 0.1µF; TA = TMIN to TMAX. Typical values are at VL = VCC = 3.3V, TA = +25°C.
SYMBOL
PARAMETERS
MIN. TYP. MAX. UNITS
CONDITIONS
DC CHARACTERISTICS
ICC
Supply Current (RS-232)
ICC
Supply Current (RS-485/422)
ICC
Vcc Shutdown Current
1
2.5
mA
No load, Idle inputs,
RS-485/RS-232 = 0V
No load, Idle inputs,
1.8
4.5
mA RS-485/RS-232 = VCC
0.01
1
µA
SHDN = 0V, Receiver inputs
open or grounded
TRANSMITTER and LOGIC INPUTS (PINS 10 - 15, 20 - 22)
VIL
Logic Input Voltage Low
VL
3
V
VIH
Logic Input Voltage High
2VL
3
V
IINL
Logic Input Leakage Current
±0.01 ±1 µA
IINPD
Logic Input Pulldown Current
RE, TERM, & FD_TX_TERM
10
50
µA VIN = VL
VHYS
Logic Input Hysteresis
200
mV
RS-232 and RS-485/422 RECEIVER OUTPUTS (PINS 6 & 7)
VOL
Receiver Output Voltage Low
0.4
VOH
Receiver Output Voltage High
VL-0.6
IOSS
Receiver Output Short Circuit Current
±20 ±85
IOZ
Receiver Output Leakage Current
±0.05 ±1
V IOUT = 1.5mA
V IOUT = -1.5mA
mA 0 ï£ VOï ï£ VL
µA
0 ï£ï VOï ï£ VL,
Receivers disabled
3
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