2
SCD4485 Rev F 6/1/2011 Aeroflex Plainview
ABSOLUTE MAXIMUM RATINGS
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
ELECTRICAL CHARACTERISTICS 1/ 2/
Parameter Condition Symbol Min Typ Max Unit
Differential driver output voltage (unloaded) IO = 0 VOD1 2.5 3.0 5 Vp-p
Differential driver output voltage (with load)
See Figure 2
VOD2 2.5 3.0 5 Vp-p
Change in magnitude of driver differential
output Voltage for complementary states ΔVOD - - 0.2 Vp-p
Driver common mode output voltage VOC -2.553 V
Change in magnitude of driver
common-mode output Voltage for
complementary states
Δ|VOC --0.2V
Input high voltage
DE, DI, RE
VIH 2.4 - - V
Input low voltage VIL -0.8V
Input current IIN ±1 ±2 µA
Differential input threshold voltage for
receiver -6.5V ≤VCM ≤+5V VTH -0.5 -0.2 -0.1 V
Receiver input hysteresis 3/VCM = 0 ΔVTH - 160 400 mV
Receiver output high voltage IO = -0.4mA VOH 4.0 - - V
Receiver output low voltage IO = 0.4mA VOL --0.5V
Receiver input differential resistance 3/-
RINDIFF 30K - - Ω
Receiver input common-mode resistance 3/- RINCM 8K - - Ω
Driver short-circuit current - IOS 50 80 140 mA
Receiver short-circuit current V
OH to GND or VOL to Vcc IOSR 75085mA
STATIC DC POWER SUPPLY CURRENTS
Input
Conditions
Driver Output
Conditions Sym Min Typ Max Unit
Channel Conditions
Channel 1 Channel 2
DE DI RE Output
State
Output
Load Driver Receiver Driver Receiver
0V X 5V HiZ XICC1 -1016
mA Disabled Disabled Disabled Disabled
5V X 0V LoZ NL ICC2 -2940
mA Enabled Enabled Disabled Disabled
5V X 0V LoZ 60 ΩICC3 -5065
mA Enabled Enabled Disabled Disabled
DE=Driver En, DI=Driver In, RE=Receiver En X=HiLo. 0V=GND. 5V=VDC. HiZ=high impedance. LoZ=low impedance. NL=No Load