ST485ECDR STMicroelectronics, ST485ECDR Datasheet - Page 6

• Manufacturer Part Number: ST485ECDR
• Description: IC TXRX 5V RS485/422 ESD 8-SOIC
• Manufacturer: STMicroelectronics
• Type: Transceiverr

Specifications of ST485ECDR

• Number Of Drivers/receivers: 1/1
• Protocol: RS422, RS485
• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Device Type: Transceiver
• Interface Type: RS422, RS485
• No. Of Drivers: 1
• Supply Voltage Range: 4.75V To 5.25V
• Driver Case Style: SOIC
• No. Of Pins: 8
• Operating Temperature Range: 0°C To +70°C
• Svhc: No
• Rohs Compliant: Yes
• Supply Voltage (max): 5.25 V
• Supply Voltage (min): 4.75 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Data Rate: 5 Mbps
• Interface: RS-422. RS-485
• Minimum Operating Temperature: 0 C
• Supply Current: 500 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-3735-2

4
Table 6.
Table 7.
6/18
Symbol
Symbol
V
V
ΔV
ΔV
ΔV
I
V
V
V
V
ESD
ESD
V
I
I
R
I
V
OZR
OD1
OD2
IN1
IN2
CC
OC
OH
TH
OL
IH
IN
OD
OC
IL
TH
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 I
Receiver output low voltage
3-State (high impedance)
output current at receiver
Receiver input resistance
No load supply current
ESD protection voltage
ESD protection voltage
Electrical characteristics
ESD performance: transmitter outputs, receiver inputs
V
to T
DC electrical characteristics
CC
A
= 5 V ± 5 %, T
= 25 °C
Parameter
Parameter
A
(2)
= T
MIN
R
R
R
R
R
RE, DE, DI
RE, DE, DI
RE, DE, DI
V
V
V
V
V
I
V
V
V
V
V
O
O
CM
IN
IN
CM
CM
O
CM
RE
DE
DE
L
L
L
L
L
to T
= -4 mA, V
= 4 mA, V
= 27 Ω (RS-485)
= 50 Ω (RS-422)
= 27 Ω or 50 Ω
= 27 Ω or 50 Ω
= 27 Ω or 50 Ω
= 0.4 to 2.4 V
= 12 V
= -7 V
= 0V or V
= V
= 0 V
= 0 V or 5.25 V, V
= -7 to 12 V
= 0 V
= -7 to 12 V
MAX
CC
Test conditions
Human body model
IEC-1000-4-2
, unless otherwise specified. Typical values are referred
ID
ID
CC
= -200 mV
Test conditions
= 200 mV
(Figure
(Figure
(Figure
(Figure
(Figure
DE
= 0 V
(1)
2)
2)
2)
2)
2.)
Min.
Min.
-0.2
±15
1.5
2.0
3.5
96
±8
Typ.
Typ.
400
300
70
Max.
Max.
-0.8
900
500
0.8
0.2
0.2
± 2
0.2
0.4
± 1
5
5
5
3
1
Unit
Unit
mA
mA
mV
kV
kV
µA
µA
kΩ
µA
µA
V
V
V
V
V
V
V
V
V
V
V