ISL54066_0911 Datasheet, PDF (7/14 Pages) Intersil Corporation – Negative Signal Swing, High Off-Isolation, Dual SPST Single Supply Switch

ISL54066
Test Circuits and Waveforms (Continued)
V+
C
SWITCH
OUTPUT
V_OUT
LOGIC ^ON
INPUT
ΔV_OUT
OFF
V+
ON
0V
R_G
INx
OUTx
V_G
GNDx
CTLx
LOGIC
INPUT
V_OUT
C_L
Q = ΔV_OUT x C_L
FIGURE 2A. MEASUREMENT POINTS
Repeat test for all switches.
FIGURE 2B. TEST CIRCUIT
FIGURE 2. CHARGE INJECTION
*50Ω SOURCE
SIGNAL
GENERATOR
V+
C
INx
r_ON = V₁/100mA
INx
V+
C
ANALYZER
R_L
CTLx ^0V
OUTx
GNDx
V_IN
100mA
V₁
CTLx ^V+
OUTx
GNDx
FIGURE 3. OFF-ISOLATION TEST CIRCUIT
*50Ω SOURCE
SIGNAL
GENERATOR
V+
C
IN1
OUT1
50Ω
V+
ANALYZER
R_L
CTL1
OUT2
IN2
GNDx
Repeat test for all switches.
FIGURE 4. r_ON TEST CIRCUIT
V+
C
IMPEDANCE
ANALYZER
OUTx
CTLx
0V
OR V+
INx
GND3
*FLOAT GND1 and GND2
FIGURE 5. CROSSTALK TEST CIRCUIT
7
FIGURE 6. CAPACITANCE TEST CIRCUIT
FN6584.1
November 3, 2009