DG441 Datasheet, PDF (5/10 Pages) Intersil Corporation – Monolithic, Quad SPST, CMOS Analog Switches

DG441, DG442
Test Circuits and Waveforms (Continued)
SWITCH
OUTPUT
∆V_O
V+
R_G
D₁
IN_{X OFF}
ON
OFF
(DG441)
V_G
IN_X
(DG442) ^OFF
ON
Q = ∆V_O x C_L
OFF
FIGURE 2A. MEASUREMENT POINTS
FIGURE 2. CHARGE INJECTION
V-
V_IN = 3V
GND
FIGURE 2B. TEST CIRCUIT
V_O
C_L
+15V
C V+
SIGNAL
GENERATOR 10dBm
V_S
V_D
50Ω
+15V
C V+
SIGNAL
GENERATOR 10dBm
V_S
0V, 2.4V
IN₁
IN₂
0V, 2.4V
ANALYZER
R_L
V_D
NC
C
V-
GND
-15V
FIGURE 3. CROSSTALK TEST CIRCUIT
IN_X
0V, 2.4V
ANALYZER
R_L
V_D
C
V-
GND
-15V
FIGURE 4. OFF ISOLATION TEST CIRCUIT
+15V
C V+
IMPEDANCE
ANALYZER
f = 1MHz
V_S
IN_X 0V, 2.4V
V_D
C
V-
GND
-15V
FIGURE 5. SOURCE/DRAIN CAPACITANCES TEST CIRCUIT
5