ISL54211_14 Datasheet, PDF (16/19 Pages) Intersil Corporation – MP3/USB 2.0 High Speed Switch with Negative Signal Handling/Click and Pop Suppression

ISL54211
Typical Performance Curves T_A = +25°C, Unless Otherwise Specified (Continued)
-60
-70 ^VDD ^{= 3V}
R_LOAD = 50Ω
-80 _{VSIGNAL = 0.707VRMS}
0
R_L = 50Ω
V_IN = 0.2V_P-P TO 2V_P-P
-20
-90
-40
-100
-110
-120
-130
-140
-150
USB TO AUDIO
AUDIO TO USB
-60
-80
-100
-160
-170
-120
-180
20 50 100 200 500 1k 2k 5k 10k 20k 50k 100k
FREQUENCY (Hz)
FIGURE 24. CHANNEL-TO-CHANNEL CROSSTALK
-140
0.001
0.01
0.1
1M
10M
FREQUENCY (Hz)
100M
FIGURE 25. OFF-ISOLATION USB SWITCHES
500M
0
-10
R_L = 50Ω
V_IN = 0.2V_P-P TO 2V_P-P
-20
-30
-40
-50
-60
-70
-80
-90
-100
0.001
0.01
0.1
1M
10M
FREQUENCY (Hz)
100M
FIGURE 26. OFF-ISOLATION AUDIO SWITCHES
500M
MUTE 2V/DIV
VDD/2 2V/DIV
L_IN 200mV/DIV
1
USB SWITCH
0
-1
-2
-3
-4
R_L = 50Ω
V_SIGNAL = 0.2V_P-P TO 2V_P-P
1M
10M
100M
1G
FREQUENCY (Hz)
FIGURE 27. FREQUENCY RESPONSE
MUTE 2V/DIV
VDD/2 2V/DIV
L_IN 200mV/DIV
L_OUT50mV/DIV
TIME (s) 100ms/DIV
FIGURE 28. 32Ω AC-COUPLED CLICK/POP REDUCTION
16
L_OUT 50mV/DIV
TIME (s) 100ms/DIV
FIGURE 29. 1kΩ AC-COUPLED CLICK/POP REDUCTION
FN6662.1
August 25, 2008