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| ISL54406_14 Datasheet, PDF (7/16 Pages) Intersil Corporation – Stereo Click and Pop Eliminator with Audio Muting | |||
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ISL54406
Test Circuits and Waveforms (Continued)
VDD
0.1µF
Repeat test for all switches.
rON = V1/40mA
SEL1
LIN OR RIN
VDD
VIN
V1
40mA
LOUT OR
ROUT
GND
SEL2
VDD
0.1µF
SIGNAL
GENERATOR
SEL2
LIN OR RIN
LOUT OR
ROUT
ANALYZER
SEL1
RL
0V OR
FLOAT
GND
FIGURE 2. rON TEST CIRCUIT
FIGURE 3. OFF ISOLATION CIRCUIT
VDD
0.1µF
SEL1
SIGNAL
GENERATOR
LIN OR RIN
LOUT OR
ROUT
32Ω
VDD
SEL2
RIN OR LIN
ROUT OR
LOUT
0Ω
GND
RL
ANALYZER
FIGURE 4. CROSSTALK TEST CIRCUIT
0VDC TO 3VDC STEP
1Hz
20kΩ
32Ω
3.0V
0.1µF
SEL1
SEL2
LOUT
ROUT
VDD
CLICK
AND
POP
GND
220µF
LIN
VINL
RIN
VINR
220µF
0V TO 1.5V
DC STEP OR
1.5V TO 0V
DC STEP
1Hz
SEL2 Waveform: Rising Edge @ 100ms after 0V to 1.5V DC Step
Falling Edge @ 100ms before 1.5V to 0V DC Step
*See Figures 18 and 19
FIGURE 5. CLICK AND POP TEST CIRCUIT #1
7
FN6578.1
July 14, 2010
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