isl54210 Intersil Corporation, isl54210 Datasheet - Page 8

• Manufacturer Part Number: isl54210
• Description: Mp3/usb 2.0 High Speed Switch With Negative Signal Handling/click And Pop Suppression
• Manufacturer: Intersil Corporation

Test Circuits and Waveforms
SET AUDIO ANALYZER FOR PEAK DETECTION, 32 SAMPLES/SEC, A WEIGHTED FILTER, MANUAL RANGE 1X/Y, UNITS TO DBV
SET AUDIO ANALYZER FOR PEAK DETECTION, 32 SAMPLES/SEC, A WEIGHTED FILTER, MANUAL RANGE 1X/Y, UNITS TO DBV
R
LOAD
20kΩ
8
R
POWER SUPPLY TURN-ON/TURN-OFF CLICK AND POP TRANSIENT TEST
SYSTEM II CASCADE
LOAD
AUDIO PRECISION
ANALYZER
CHA
SYSTEM II CASCADE
(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-
ISL54210
V
FLOAT
BUS
GND
GND
COM+
COM-
CLICK
AND
POP
VBUS
CLICK
V
FLOAT
V
AND
POP
DD
V
BUS
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 OR
1.25V TO 0V
DC STEP
October 3, 2008
FN6661.1