st485erb STMicroelectronics, st485erb Datasheet - Page 6

• Manufacturer Part Number: st485erb
• Description: Ic Txrx Lopwr Rs485/422 8 Dip
• Manufacturer: STMicroelectronics

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Electrical characteristics
Table 6.
V
to T
Table 7.
Symbol
Symbol
CC
ΔV
ΔV
V
V
ΔV
I
V
V
V
ESD
ESD
V
V
I
I
R
OZR
V
OD1
OD2
IN1
IN2
A
OC
OH
TH
OL
IH
OD
OC
IL
IN
TH
= 5 V ± 5 %, T
= 25 °C
Differential driver output (no
load)
Differential driver output
(with load)
Change in magnitude of
driver differential output
voltage for complementary
output states
Driver common-mode
output voltage
Change in magnitude of
driver common-mode output
voltage for complementary
output states
Input high voltage
Input low voltage
Input current
Input current (A, B)
Receiver differential
threshold voltage
Receiver input hysteresis
Receiver output high
voltage
Receiver output low voltage I
3-State (high impedance)
output current at receiver
Receiver input resistance
ESD protection voltage
ESD protection voltage
ESD performance: transmitter outputs, receiver inputs
DC electrical characteristics
Parameter
A
Parameter
= T
MIN
to T
MAX
, unless otherwise specified. Typical values are referred
R
R
R
R
R
RE, DE, DI
RE, DE, DI
RE, DE, DI
V
V
V
V
V
I
V
V
O
O
CM
IN
IN
CM
CM
O
CM
L
L
L
L
L
= -4mA, V
= 4mA, V
= 27Ω (RS-485)
= 50Ω (RS-422)
= 27Ω or 50Ω
= 27Ω or 50Ω
= 27Ω or 50Ω
= 0.4 to 2.4V
= 12V
= -7V
= 0V or 5.25V, V
= -7 to 12V
= 0V
= -7 to 12V
Test conditions
Human body model
IEC-1000-4-2
Test conditions
ID
ID
= -200mV
= 200mV
(Figure
(Figure
(Figure
(Figure
(Figure
DE
(1)
= 0V
2)
2)
2)
2)
2)
Min.
±15
Min.
±8
-0.2
1.5
2.0
3.5
24
Typ.
Typ.
70
Max.
Max.
-0.8
0.2
0.2
0.8
± 2
0.2
0.4
± 1
5
5
5
3
1
Unit
Unit
mA
mA
mV
kV
kV
µA
µA
kΩ
V
V
V
V
V
V
V
V
V
V
V