ISL43L220 Datasheet, PDF (7/13 Pages) Intersil Corporation – Ultra Low ON-Resistance, Low Voltage,Single Supply, Dual SPDT Analog Switch

ISL43L220
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%
LOGIC
INPUT
GND
t_D
Repeat test for all switches. C_L includes fixture and stray
capacitance.
FIGURE 3A. MEASUREMENT POINTS
FIGURE 3B. TEST CIRCUIT
FIGURE 3. BREAK-BEFORE-MAKE TIME
SIGNAL
GENERATOR
ANALYZER
R_L
V+
C
NO or NC
IN 0V or V+
COM
GND
R_ON = V₁/100mA
V_NX
NO or NC
100mA
V₁
V+
C
0V or V+
IN
COM
GND
Signal direction through switch is reversed, worst case values
are recorded. Repeat test for all switches.
FIGURE 4. OFF ISOLATION TEST CIRCUIT
Repeat test for all switches.
FIGURE 5. R_ON TEST CIRCUIT
7
FN6093.2
April 12, 2005