DRS4485 Datasheet, PDF (2/8 Pages) Aeroflex Circuit Technology – DRS4485 Dual RS485 Interface Transceiver

ABSOLUTE MAXIMUM RATINGS
Parameter
Range
Operating Case Temperature
-55°C to +125°C
Storage Case Temperature
-65°C to +150°C
Power Supply Voltages (VCC)
+12VDC
Control Input Voltage
-0.5 VDC to Vcc + 0.5VDC
Driver Input Voltage
-0.5 VDC to Vcc + 0.5VDC
Driver Output Voltage
±5V
Receiver Input Voltage
±5V
Receiver Output Voltages
-0.5 VDC to Vcc + 0.5VDC
NOTICE: Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress rating
only; functional operation beyond the "Operation Conditions" is not recommended and extended exposure beyond the "Operation Conditions"
may affect device reliability.
ELECTRICAL CHARACTERISTICS 2/ 4/
Parameter
Differential driver output voltage (unloaded)
Differential driver output voltage (with load) 1/
Change in magnitude of driver differential
output Voltage for complementary states
Driver common mode output voltage
Change in magnitude of driver common-mode
output Voltage for complementary states
Input high voltage
Input low voltage
Input current 1/
Differential input threshold voltage for receiver
Receiver input hysteresis 3/
Receiver output high voltage 1/
Receiver output low voltage 1/
Receiver input differential resistance 3/
Receiver input common-mode resistance 3/
Driver short-circuit current 1/
Receiver short-circuit current 1/
Condition
I_O = 0
See Figure 2
DE, DI, RE
-6.5V £ VCM £ +5V
VCM = 0
I_O = -0.4mA
I_O = 0.4mA
-
-
-
VOH to GND or VOL to Vcc
Symbol
V_OD1
V_OD2
V_OD
V_OC
|V_OC
V_IH
V_IL
I_IN
V_TH
V_TH
V_OH
V_OL
RIN _DIFF
RIN _CM
I_OS
I_OSR
Min Typ Max Unit
2.5 3.0 5 Vp-p
2.5 3.0 5 Vp-p
-
- 0.2 Vp-p
- 2.55 3
V
-
-
0.2
V
2.4 -
-
V
-
0.8
V
±1 ±2 µA
-0.5 -0.2 -0.1 V
- 160 400 mV
4.0 -
-
V
-
-
0.5
V
30K -
-

8K
-
-

50 80 140 mA
7
50 85 mA
STATIC DC POWER SUPPLY CURRENTS 2/
Input
Driver Output
Channel Conditions
Conditions
Conditions
Sym Min Typ Max Unit
Channel 1
Channel 2
DE
DI
RE
Output Output
State Load
Driver Receiver Driver Receiver
0V
X
5V
HiZ
X I_CC1 1/
-
10
16
mA _{Disabled Disabled Disabled Disabled}
5V
X
0V
LoZ
NL I_CC2 1/
-
29
40
mA _{Enabled Enabled Disabled Disabled}
5V
X
0V
LoZ 60 W I_CC3
-
50
65
mA _{Enabled Enabled Disabled Disabled}
DE=Driver En, DI=Driver In, RE=Receiver En X=HiLo. 0V=GND. 5V=V_DC. HiZ=high impedance. LoZ=low impedance. L=No Load
SCD4485 Rev G 12/5/14
2
Aeroflex Plainview