DS96176_15 Datasheet, PDF (3/13 Pages) Texas Instruments – RS-485/RS-422 Differential Bus Transceiver

Not Recommended For New Designs
Absolute Maximum Ratings (Note 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Storage Temperature Range
Molded DIP
−65˚C to +150˚C
Lead Temperature
Molded DIP (soldering, 10
sec.)
265˚C
Maximum Power Dissipation (Note 1) at 25˚C
Molded Package
930 mW
Supply Voltage
7.0V
Differential Input Voltage
+15V/−10V
Enable Input Voltage
5.5V
Recommended Operating
Conditions
Min Typ Max
Supply Voltage (V_CC)
Voltage at Any Bus Terminal
4.75 5.0 5.25
(Separately or Common Mode) −7.0
12
Differential Input Voltage (V_ID)
±12
Output Current HIGH (I_OH)
Driver
−60
Receiver
−400
Output Current LOW (I_OL)
Driver
60
Receiver
16
Operating Temperature (T_A)
0 25 70
Note 1: Derate molded DIP package 7.5 mW/˚C above 25˚C.
Units
V
V
V
mA
µA
mA
mA
˚C
Electrical Characteristics (Notes 3, 4)
Over recommended temperature, common mode input voltage, and supply voltage ranges, unless otherwise specified
Symbol
Parameter
DRIVER SECTION
V_IH
V_IL
V_OH
V_OL
V_IC
|V_OD1|
|V_OD2|
Input Voltage HIGH
Input Voltage LOW
Output Voltage HIGH
Output Voltage LOW
Input Clamp Voltage
Differential Output Voltage
Differential Output Voltage
∆|V_OD2|
Change in Magnitude of
Differential Output Voltage (Note 5)
V_OC
∆|V_OC|
I_O
I_IH
I_IL
I_OS
Common Mode Output Voltage (Note 6)
Change in Magnitude of
Common Mode Output Voltage (Note 5)
Output Current (Note 5)
(Includes Receiver I_I)
Input Current HIGH
Input Current LOW
Short Circuit Output Current
(Note 10)
I_CC
Supply Current
RECEIVER SECTION
V_TH
Differential Input High
Threshold Voltage
V_TL
Differential Input Low
Threshold Voltage (Note 7)
V_T+ − V_T−
V_IH
V_IL
V_IC
Hysteresis (Note 8)
Enable Input Voltage HIGH
Enable Input Voltage LOW
Enable Input Clamp Voltage
Conditions
I_OH = −20 mA
I_OL = 20 mA
I_I = −18 mA
I_O = 0 mA
R_L = 100Ω, Figure 1
R_L = 54Ω, Figure 1 and Figure 2
R_L = 54Ω
V_CM = 0V Figure 1 and Figure 2
R_L = 100Ω Figure 1
R_L = 54Ω or 100Ω, Figure 1
Output Disabled
V_I = 2.4V
V_I = 0.4V
V_O = −7.0V
V_O = 0V
V_O = V_CC
V_O = 12V
No Load
V_O = 12V
V_O = −7.0V
Outputs Enabled
Outputs Disabled
V_O = 2.7V, I_O = −0.4 mA
V_O = 0.5V, I_O = 8.0 mA
V_CM = 0V
I_I = −18 mA
Min
2.0
2.0
1.5
−0.2
2.0
Typ
3.1
0.85
2.25
2.0
50
Max
0.8
−1.5
6.0
±0.2
3.0
±0.2
1.0
−0.8
20
−100
−250
−150
150
250
35
40
0.2
0.8
−1.5
Units
V
V
V
V
V
V
V
V
V
V
mA
µA
µA
mA
mA
V
V
mV
V
V
V
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