NTE75189 Datasheet, PDF (8/22 Pages) Texas Instruments – QUADRUPLE LINE RECEIVERS

MC1489, MC1489A, SN55189, SN55189A, SN75189, SN75189A
QUADRUPLE LINE RECEIVERS
SLLS095D – SEPTEMBER 1973 – REVISED OCTOBER 1998
TYPICAL CHARACTERISTICS^†
INPUT THRESHOLD VOLTAGE
vs
FREE-AIR TEMPERATURE
2.4
2.2
2
’89A VIT+
1.8
1.6
1.4
’89 VIT+
1.2
’89 VIT–
1
0.8
’89A VIT–
0.6
0.4
– 100 – 75 – 50 – 25 0 25 50 75 100 125 150
TA – Free-Air Temperature – °C
Figure 7
INPUT THRESHOLD VOLTAGE
vs
SUPPLY VOLTAGE
2
1.8
ÎÎÎÎ ^{’89A VIT+}
1.6
1.4
1.2
1
0.8
ÎÎÎ _{’89 VIT–}
ÎÎÎÎÎÎ ’89 VIT+
ÎÎÎÎÎÎÎ ^{’89A VIT–}
0.6
0.4
0.2
0
2 3 4 5 6 7 8 9 10
VCC – Supply Voltage – V
Figure 8
SN75189
NOISE REJECTION
6
VCC = 5 V
5
4
TA = 25°C
See Note A
ÎÎÁÎÎÁÎÎÁÎÎÁÎÎ _{CC = 300 pF}
ÎÎÁÁÎÎÁÁÎÎÁÁÎÎÁÁÎÎ _{CC = 500 pF}
3
2
ÁÁÁÁ ^{CC = 10 pF}
ÁÁÁÁÁÁÁÁÁÁ ¹
CC = 100 pF
0
10
40 100
400 1000
4000 10000
tw – Pulse Duration – ns
NOTE A: Maximum amplitude of a positive-going pulse that,
starting from 0 V, will not cause a change in the
output level.
Figure 9
SN75189A
6
5
NOISE REJECTION
ÎÎÎÎ VCC = 5 V
TA = 25°C
ÎÎÎÎ _{See Note A}
ÎÎÎÎÎÎÎÎÎ ^{CC = 300 pF}
4
3
2
1
ÁÁÎÎC_{ÁÁÁÁÎÎCC=C1ÁÁÁÁÎÎ=21p0ÁÁ}FÁÁÎÎ_{0 pFÁÁÎÎ}
ÁÁÎÎÁÁÎÎ_{CC =}ÁÁÎÎ₅₀₀ÁÁÎÎ_pFÁÁÎÎ
0
10
40 100
400 1000
4000 10000
tw – Pulse Duration – ns
NOTE A: Maximum amplitude of a positive-going pulse that,
starting from 0 V, will not cause a change in the
output level.
Figure 10
† _{Data for free-air temperatures below 0°C and above 70°C are applicable to SN55189 and SN55189A circuits only.}
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