Manual

43
AT84AD004
5390A–BDC–06/04
The VBE diode’s forward voltage in relation to the junction temperature (in steady-state
conditions) is shown in Figure 43.
Figure 43. Diode Characteristics Versus T
J
VtestI, VtestQ VtestI and VtestQ pins are for internal test use only. These two signals must be left
open.
Equivalent Input/Output Schematics
Figure 44. Simplified Input Clock Model
620
640
660
680
700
720
740
760
780
800
820
840
860
-20-100 102030405060708090100110120
Junction Temperature (˚C)
Diode Voltage (mV)
VCCD/2
100Ω
VCCD
GNDD
CLK
CLKB
100Ω
50Ω
50Ω