ISL84684II Datasheet, PDF (6/11 Pages) Intersil Corporation – Ultra Low ON-Resistance, Low Voltage, Single Supply, Dual SPDT Analog Switch in Chipscale Package

ISL84684II
Test Circuits and Waveforms (Continued)
V+
C
SWITCH
OUTPUT
V_OUT
LOGIC ^ON
INPUT
∆V_OUT
OFF
V+
ON
0V
R_G
NO or NC
COM
V_G
GND
IN
LOGIC
INPUT
Q = ∆V_OUT x C_L
FIGURE 2A. MEASUREMENT POINTS
Repeat test for all switches.
FIGURE 2B. TEST CIRCUIT
FIGURE 2. CHARGE INJECTION
V_OUT
C_L
V+
C
V+
LOGIC
INPUT
0V
NO
V_NX
NC
IN
COM
V_OUT
R_L
C_L
50Ω
35pF
SWITCH
OUTPUT
V_{OUT 0V}
90%
t_D
FIGURE 3A. MEASUREMENT POINTS
LOGIC
INPUT
GND
Repeat test for all switches. C_L includes fixture and stray
capacitance.
FIGURE 3B. TEST CIRCUIT
FIGURE 3. BREAK-BEFORE-MAKE TIME
SIGNAL
GENERATOR
V+
C
NO or NC
IN 0V or V+
ANALYZER
R_L
COM
GND
Signal direction through switch is reversed, worst case values
are recorded. Repeat test for all switches.
FIGURE 4. OFF ISOLATION TEST CIRCUIT
R_ON = V₁/100mA
V_NX
NO or NC
100mA
V₁
V+
C
0V or V+
IN
COM
GND
Repeat test for all switches.
FIGURE 5. R_ON TEST CIRCUIT
6
FN6190.0
November 3, 2005