MAX4649 Datasheet, PDF (8/10 Pages) Maxim Integrated Products – 45Ω, SPDT Analog Switch in SOT23-8

45Ω, SPDT Analog Switch in SOT23-8
Test Circuits/Timing Diagrams (continued)
MAX4649
+3V
NC
NO
IN
LOGIC
INPUT
V+
V+
COM
GND
V_OUT
R_L
300Ω
C_L
35pF
C_L INCLUDES FIXTURE AND STRAY CAPACITANCE.
Figure 3. MAX4649 Break-Before-Make Test Circuit
+3V
LOGIC
INPUT
50%
0
SWITCH
OUTPUT
(V_OUT)
0.9 ✕ V_OUT
t_D
∆VO
V_O
IN
OFF
OFF
ON
Q = (∆VO)(CL)
IN DEPENDS ON SWITCH CONFIGURATION;
INPUT POLARITY DETERMINED BY SENSE OF SWITCH.
Figure 4. Charge Injection
VGEN
COM
GND
V+
V+
NC OR
NO
V-
V-
V_IN = +3V
MAX4649
VO
CL
10nF
8 _______________________________________________________________________________________