MC75172B_06 Datasheet, PDF (11/13 Pages) ON Semiconductor – Quad EIA−485 Line Drivers with Three−State Outputs

MC75172B, MC75174B
COMPARING SYSTEM REQUIREMENTS
Characteristic
Symbol
EIA−485
EIA−422−A
V.11 and X.27
GENERATOR (Driver)
Output Impedance (Note 1)
Open Circuit Voltage
Differential
Single−Ended
Loaded Differential Voltage
Z_out
V_OCD
V_OCS
V_OD
Not Specified
1.5 to 6.0 V
t 6.0 V
1.5 to 5.0 V, w/54 W load
t 100 W
p 6.0 V
p 6.0 V
q 2.0 V or q 0.5 V_OCD,
w/100 W load
50 10 100 W
p 6.0 V, w/3.9 kW, Load
p 6.0 V, w/3.9 kW, Load
q 2.0 V or q 0.5 V_OCD,
w/100 W load
Differential Voltage Balance
Output Common Mode Range
Offset Voltage
Offset Voltage Balance
Short Circuit Current
Leakage Current (V_CC = 0)
DV_OD
V_CM
V_OS
DV_OS
I_OS
I_OLK
t 200 mV
−7.0 to +12 V
−1.0 t V_OS t 3.0 V
t 200 mV
p 250 mA for −7.0 to 12 V
Not Specified
p 400 mV
Not Specified
p 3.0 V
p 400 mV
p 150 mA to ground
p 100 mA to −0.25 V thru
6.0 V
t 400 mV
Not Specified
p 3.0 V
t 400 mV
p 150 mA to ground
p 100 mA to ± 0.25 V
Output Rise/Fall Time (Note 2)
t_r, t_f
p 0.3 T_B, w/54 W/1150 pF p 0.1 T_B or p 20 ns, w/100 p 0.1 T_B or p 20 ns, w/100
load
W load
W load
RECEIVER
Input Sensitivity
V_th
± 200 mV
± 200 mV
± 300 mV
Input Bias Voltage
V_bias
p 3.0 V
p 3.0 V
p 3.0 V
Input Common Mode Range
V_cm
−7.0 to 12 V
−7.0 to 7.0 V
−7.0 to 7.0 V
Dynamic Input Impedance
R_in
Spec number of U.L.
q 4 kW
q 4 kW
NOTES: 1. Compliance with V.11 and X.27 (Blue book) output impedance requires external resistors in series with the outputs of the
MC75172B and MC75174B.
2. T_B = Bit time.
Additional Information
Copies of the EIA Recommendations (EIA−485 and EIA−422−A) can be obtained from the Electronics Industries
Association, Washington, D.C. (202−457−4966). Copies of the CCITT Recommendations (V.11 and X.27) can be obtained
from the United States Department of Commerce, Springfield, VA (703−487−4600).
ORDERING INFORMATION
Device
Operating Temperature Range
Package
Shipping^†
MC75172BDW
MC75172BDWG
SOIC−20WB
SOIC−20WB
(Pb−Free)
38 Units / Rail
MC75172BDWR2
MC75172BDWR2G
SOIC−20WB
SOIC−20WB
(Pb−Free)
1000 / Tape & Reel
MC75174BDW
MC75174BDWG
T_A = − 40° to +85°C
SOIC−20WB
SOIC−20WB
(Pb−Free)
38 Units / Rail
MC75174BDWR2
MC75174BDWR2G
SOIC−20WB
SOIC−20WB
(Pb−Free)
1000 / Tape & Reel
MC75174BP
MC75174BPG
PDIP−16
PDIP−16
(Pb−Free)
25 Units / Rail
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
http://onsemi.com
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