Rainbow Electronics MAX4885E - Manual (Page 6)

MAX4885E
Ultra-Low Capacitance 1:2 VGA
Switch with ±15kV ESD
6 _______________________________________________________________________________________
Timing Circuits/Timing Diagrams
INPUT
OUTPUT
V OH
t PHL t PLH
t SKEW = |t PLH - t PHL |
t PD = MAX (t PLH , t PHL )
1V
50%
0
50%
0.9V
50% 50%
0
R L = 1k Ω
C L = 10pF
Figure 2. Propagation Delay and Skew Waveforms
MEASUREMENTS ARE STANDARDIZED AGAINST SHORTS AT IC TERMINALS.
INSERTION-LOSS IS MEASURED BETWEEN R0 AND R1 OR R2 ON EACH SWITCH.
CROSSTALK IS MEASURED FROM ONE CHANNEL TO THE OTHER CHANNEL.
SIGNAL DIRECTION THROUGH SWITCH IS REVERSED; WORST VALUES ARE RECORDED.
+5V
V
OUT
V CC
SEL V IN
MAX4885E
CROSSTALK = 20log ✕
V OUT
V IN
NETWORK
ANALYZER
50 Ω
50 Ω 50 Ω
50 Ω
MEAS REF
10nF
0 OR V CC
50 Ω
GND
R0, G0, B0
R2, G2, B2
R1, G1, B1
INSERTION-LOSS = 20log ✕
V OUT
V IN
Figure 1. Insertion-Loss and Crosstalk