isl54211 Intersil Corporation, isl54211 Datasheet - Page 8

• Manufacturer Part Number: isl54211
• Description: Mp3/usb 2.0 High Speed Switch With Negative Signal Handling/click And Pop Suppression
• Manufacturer: Intersil Corporation

Test Circuits and Waveforms
Power Supply Turn-On/Turn-Off Click and Pop Transient Test
Set Audio Analyzer for Peak Detection, 32 Samples/Sec, Aweighted Filter, Manual Range 1X/Y, Units to dBV
Set Audio Analyzer for Peak Detection, 32 Samples/Sec, Aweighted Filter, Manual Range 1X/Y, Units to dBV
R
LOAD
20kΩ
8
R
SYSTEM II CASCADE
LOAD
AUDIO PRECISION
ANALYZER
SYSTEM II CASCADE
CHA
(Continued)
AUDIO PRECISION
FIGURE 9. CLICK AND POP TEST CIRCUIT #2
20kΩ
FIGURE 7. CLICK AND POP TEST CIRCUIT
FIGURE 8. CLICK AND POP TEST CIRCUIT
R
ANALYZER
LOAD
CHB
CHA
R
LOAD
CHB
COM-
COM+
COM+
COM-
ISL54211
FLOAT
IN
GND
GND
COM+
COM-
CLICK
AND
POP
CLICK
V
FLOAT
AND
POP
DD
IN
V
IN
3.3V
CTRL
DD
GND
CTRL
3.3V
CLICK
AND
POP
R
V
L
DD
CTRL
L
R
220µF
220µF
C
0V TO V
SQUARE WAVE
R
L
0V TO 3.0V
DC STEP OR
3.0V TO 0V
DC STEP
1Hz
DD
1.5V OR 0V
0V TO 1.25V
DC STEP
1.25V TO 0V
DC STEP
OR
August 25, 2008
FN6662.1