DS481_14 Datasheet, PDF (4/17 Pages) Texas Instruments – Low Power RS-485/RS-422 Multipoint Transceiver with Sleep Mode

DS481
SNLS131B – JULY 2000 – REVISED MARCH 2013
Electrical Characteristics (continued)
Over Supply Voltage and Operating Temperature Ranges, unless otherwise specified ^{(1) (2)}
Parameter
Test Conditions
Pin
Min
Typ
V_IH
Input High Voltage
V_IL
Input Low Voltage
DI, DE,
2.0
RE ⁽⁴⁾
I_IN1
Input Current
V_IN = 0V or V_CC
I_IN2
Input Current ⁽⁵⁾
DE = 0V, V_CC = 0V or 5.25V
V_IN = +12V
V_IN = −7V
DS481T
A, B
0
0
V_TH
Receiver Differential Threshold
−7V ≤ V_CM ≤ +12V
Voltage
−0.2
190
−100
ΔV_TH
V_OH
V_OL
I_OZR
Receiver Input Hysteresis
Receiver Output High Voltage
Receiver Output Low Voltage
TRI-STATE Output Current at
Receiver
V_CM = 0V
I_O = −4 mA, V_ID = 0.2V
I_O = 4 mA, V_ID = −0.2V
0.4V ≤ V _O ≤ 2.4V
70
RO
3.5
R_IN
Receiver Input Resistance
I_CC
No-Load Supply Current ⁽⁶⁾
−7V ≤ V_IN ≤ +12V DS481T
A, B
24
DE = V _CC, RE ⁽⁴⁾ = 0V or V _CC
V_CC
200
DE = 0V, RE ⁽⁴⁾ = 0V or V_CC
200
I_CCX
Sleep Mode Supply Current
DE = GND
V_CC
RE ⁽⁴⁾= V_CC (Figure 15)
0.2
I_OSD1 Driver Short Circuit Current, V_O = −7V ≤ V_O ≤ +12V
A, B
HIGH
I_OSD2
Driver Short Circuit Current, V_O = −7V ≤ V_O ≤ +12V
LOW
I_OSR
Receiver Short Circuit Current
V_O = GND
RO
7
(4) Non Terminated, Open Input only.
(5) I_IN2 includes the receiver input current and driver TRI-STATE leakage current.
(6) Supply current specification is valid for loaded transmitters when DE = 0V or enabled (DE = H) with no load.
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Max
0.8
±2
500
−400
0.2
0.5
±1
500
500
10
250
−250
85
Units
V
V
μA
μA
μA
V
mV
V
V
μA
kΩ
μA
μA
μA
mA
mA
mA
4
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