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UTRS485_17 Datasheet(Fiches technique) 4 Page - Unisonic Technologies

Numéro de pièce UTRS485_17
Description  TRANSCEIVERS WITH ESD-PROTECTED
Télécharger  8 Pages
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Fabricant  UTC [Unisonic Technologies]
Site Internet  http://www.utc-ic.com
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UTRS485
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
4 of 8
www.unisonic.com.tw
QW-R113-011.G
ABSOLUTE MAXIMUM RATING
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VCC
7.0
V
Control Input Voltage ( RE , DE)
VCC
V
Driver Input Voltage (DI)
DI
VCC
V
Driver Output Voltage (A, B)
±12.5
V
Receiver Input Voltage (A, B)
±12.5
V
Receiver Output Voltage (RO)
VCC
V
DIP-8
800
mW
Continuous Power Dissipation (TA=+70°C)
SOP-8
PD
625
mW
Lead Temperature (Soldering, 10sec)
TL
+300
°C
Operating Temperature Ranges
TOPR
-40 ~ +85
°C
Storage Temperature Range
TSTG
-65 ~ +160
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
DC ELECTRICAL CHARACTERISTICS
(VCC=5.0V ±5%, TA=TMIN to TMAX, unless otherwise noted. (Note 1, 2)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX UNIT
Differential Driver Output
(No Load)
VOD1
5.0
V
R=50Ω (RS-422)
2.0
V
Differential Driver Output
(with Load)
VOD2
Fig.1, R=27Ω (RS-485)
1.5
5.0
V
Change in Magnitude of Driver
Differential Output Voltage for
Complementary Output States
∆VOD
Fig.1, R=27Ω or 50Ω
0.2
V
Driver Common-Mode Output
Voltage
VOC
Fig.1, R=27Ω or 50Ω
3.0
V
Change in Magnitude of Driver
Common-Mode Output Voltage
for Complementary Output
States
∆VOC
Fig.1, R=27Ω or 50Ω
0.2
V
Input High Voltage
VIH1
DE, DI, RE
2.0
V
Input Low Voltage
VIL1
DE, DI, RE
0.8
V
Input Current
IIN1
DE, DI, RE
±2.0
µA
VIN=12V
1.0
mA
Input Current (A, B)
IIN2
DE=0V;
VCC=0V or 5.25V
VIN=-7V
-0.8
mA
Receiver Differential Threshold
Voltage
VTH
VCM=+2.5V
-200
-20
V
Receiver Input Hysteresis
∆VTH
VCM=0V
70
mV
Receiver Output High Voltage
VOH
IO=-4mA, VID=-20mV
3.5
V
Receiver Output Low Voltage
VOL
IO=4mA, VID=-200mV
0.5
V
Three-State (High Impedance)
Output Current at Receiver
IOZR
0.4V≤VO≤ 2.4V
±1.0
µA
Receiver Input Resistance
RIN
-7V≤VCM≤+12V
12
kΩ
DE=VCC
500
900
µA
No-Load Supply Current
(Note 3)
ICC
RE =0V or VCC
DE=0V
300
500
µA
Driver Short-Circuit Current,
VO=High
IOSD1
-7V≤VO≤12V (Note 4)
35
250
mA
Driver Short-Circuit Current,
VO=Low
IOSD2
-7V≤VO≤12V (Note 4)
35
250
mA
Receiver Short-Circuit Current
IOSR
0V≤VO≤VCC
±7
±95
mA




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