DS75176B Datasheet, PDF (2/8 Pages) National Semiconductor (TI) – Multipoint RS-485/RS-422 Transceivers

Absolute Maximum Ratings (Note 1)
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Supply Voltage, V_CC
Control Input Voltages
Driver Input Voltage
Driver Output Voltages
Receiver Input Voltages (DS75176B)
Receiver Output Voltage
Continuous Power Dissipation @
25˚C
for M Package
for N Package
Storage Temperature Range
Lead Temperature
(Soldering, 4 seconds)
7V
7V
7V
+15V/ −10V
+15V/ −10V
5.5V
675 mW (Note 5)
900 mW (Note 4)
−65˚C to +150˚C
260˚C
ESD Rating (HBM)
500V
Recommended Operating
Conditions
Supply Voltage, V_CC
Voltage at Any Bus Terminal
(Separate or Common Mode)
Operating Free Air Temperature T_A
DS75176B
DS75176BT
Differential Input Voltage,
VID (Note 6)
Min Max Units
4.75 5.25 V
−7 +12 V
0 +70 ˚C
−40 +85 ˚C
−12 +12 V
Electrical Characteristics (Notes 2, 3)
0˚C ≤ T_A≤ 70˚C, 4.75V < V_CC< 5.25V unless otherwise specified
Symbol
Parameter
Conditions
V_OD1
Differential Driver Output
Voltage (Unloaded)
I_O = 0
V_OD2
Differential Driver Output
Voltage (with Load)
(Figure 1)
R = 50Ω; (RS-422) (Note 7)
R = 27Ω; (RS-485)
∆V_OD
Change in Magnitude of Driver
Differential Output Voltage For
Complementary Output States
V_OC
Driver Common Mode Output
Voltage
(Figure 1)
R = 27Ω
∆|V_OC|
Change in Magnitude of Driver
Common Mode Output Voltage
For Complementary Output
States
V_IH
Input High Voltage
V_IL
Input Low Voltage
DI, DE,
V_CL
Input Clamp Voltage
RE , E
I_IN = −18 mA
I_IL
Input Low Current
V_IL = 0.4V
I_IH
Input High Current
V_IH = 2.4V
I_IN
Input
DO/RI, DO/RI V_CC = 0V or 5.25V V_IN = 12V
Current
DE = 0V
V_IN = −7V
V_TH
Differential Input Threshold
−7V ≤ V_CM ≤ + 12V
Voltage for Receiver
∆V_TH
V_OH
V_OL
I_OZR
R_IN
I_CC
Receiver Input Hysteresis
Receiver Output High Voltage
Output Low Voltage
RO
OFF-State (High Impedance)
Output Current at Receiver
Receiver Input Resistance
Supply Current
V_CM = 0V
I_OH = −400 µA
I_OL = 16 mA (Note 7)
V_CC = Max
0.4V ≤ V_O ≤ 2.4V
−7V ≤ V_CM ≤ +12V
No Load
Driver Outputs Enabled
(Note 7)
Driver Outputs Disabled
Min Typ Max Units
5V
2
V
1.5
V
0.2 V
3.0 V
0.2 V
2
V
0.8
−1.5
−200 µA
20 µA
+1.0 mA
−0.8 mA
−0.2
+0.2 V
70
mV
2.7
V
0.5 V
±20 µA
12
kΩ
55 mA
35 mA
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