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MC75172B Datasheet, PDF (2/12 Pages) ON Semiconductor – QUAD EIA-485 LINE DRIVERS
MC75172B MC75174B
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Power Supply Voltage
Input Voltage (Data, Enable)
Input Current (Data, Enable)
Applied Output Voltage, when in 3–State Condition
(VCC = 5.0 V)
Applied Output Voltage, when VCC = 0 V
Output Current
Storage Temperature
VCC
Vin
Iin
Vza
–0.5, +7.0 Vdc
+7.0
Vdc
–24
mA
–10, +14
Vdc
Vzb
±14
IO
Self–Limiting –
Tstg
–65, +150
°C
Devices should not be operated at these limits. The “Recommended Operating Conditions” table provides
for actual device operation.
RECOMMENDED OPERATING CONDITIONS
Characteristic
Power Supply Voltage
Input Voltage (All Inputs)
Output Voltage in 3–State Condition, or when VCC = 0 V
Output Current (Normal data transmission)
Operating Ambient Temperature (see text)
EIA–485
EIA–422
All limits are not necessarily functional concurrently.
Symbol
VCC
Vin
Vcm
IO
TA
Min
+4.75
0
–7.0
–65
–40
0
Typ
+5.0
–
–
–
–
–
Max
+5.25
VCC
+12
+65
+85
+85
p p p p ELECTRICAL CHARACTERISTICS (–40°C TA 85°C, 4.75 V VCC 5.25 V, unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Output Voltage
Single–Ended Voltage
IO = 0
High @ IO = –33 mA
Low @ IO = +33 mA
Differential Voltage
Open Circuit (IO = 0)
RL = 54 Ω (Figure 1)
Change in Differential*, RL = 54 Ω (Figure 1)
Differential Voltage, RL = 100 Ω (Figure 1)
Change in Differential*, RL = 100 Ω (Figure 1)
p p Differential Voltage, –7.0 V Vcm 12 V (Figure 2)
p p Change in Differential*, –7.0 V Vcm 12 V (Figure 2)
Offset Voltage, RL = 54 Ω (Figure 1)
Change in Offset*, RL = 54 Ω (Figure 1)
Output Current (Each Output)
p p Power Off Leakage, VCC = 0, –7.0 V VO 12 V
p p Leakage in 3–State Mode, –7.0 V VO 12 V
p p Short Circuit Current to Ground
Short Circuit Current, –7.0 V VO 12 V
VO
VOH
VOL
0
–
6.0
–
4.0
–
–
1.6
–
 VOD1 
1.5
3.4
6.0
 VOD2 
1.5
2.3
5.0
 ∆VOD2 
–
5.0
200
 VOD2A 
–
2.2
–
 ∆VOD2A 
–
5.0
200
 VOD3 
1.5
–
5.0
 ∆VOD3 
–
5.0
200
VOS
–
2.9
–
 ∆VOS 
–
5.0
200
IO(off)
–50
0
+50
IOZ
–50
0
+50
IOSR
–150
–
+150
IOS
–250
–
+250
*Vin switched from 0.8 to 2.0 V.
Typical values determined at 25°C ambient and 5.0 V supply.
Unit
Vdc
Vdc
Vdc
mA
°C
Unit
Vdc
mVdc
Vdc
mVdc
Vdc
mVdc
Vdc
mVdc
µA
mA
2
MOTOROLA ANALOG IC DEVICE DATA