ISL54062 Datasheet, PDF (8/16 Pages) Intersil Corporation – 1.8V to +6.5V, Sub-Ohm, Dual SPDT Analog Switch with Negative Signal Capability and Click and Pop Elimination

ISL54062
Test Circuits and Waveforms (Continued)
V+
C
*50Ω SOURCE
SIGNAL
GENERATOR
NO OR NC
ANALYZER
R_L
IN 0V OR V+
COM
GND
r_ON = V₁/100mA
NO OR NC
V_NX
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
*50Ω SOURCE
SIGNAL
GENERATOR
V+
C
NO1 OR NC1
COM1
50Ω
IN_X
0V OR V+
ANALYZER
COM2
NC2 OR NO2
NC
GND
R_L
Signal direction through switch is reversed, worst case values
are recorded. Repeat test for all switches.
FIGURE 6. CROSSTALK TEST CIRCUIT
IMPEDANCE
ANALYZER
COM
V+
C
IN 0V OR V+
NO OR NC _GND
FIGURE 7. ON CAPACITANCE TEST CIRCUIT
8
FN6581.0
February 25, 2009