ISL54217_09 Datasheet, PDF (15/21 Pages) Intersil Corporation – USB 2.0 High-Speed x 2Channels/Stereo Audio Dual SP3T (Dual 3-to-1 Multiplexer)

ISL54217
Typical Performance Curves T_A = +25°C, Unless Otherwise Specified (Continued)
0.09
-60
0.08
0.07
R_LOAD = 32Ω
FREQ = 1kHz
V_DD = 3V
-70 _{VDD = 3V}
-80 ^RLOAD ^{= 32Ω}
-90 ^{VSIGNAL = 0.707VRMS}
0.06
-100
0.05
-110
-120
0.04
-130
0.03
-140
0.02
-150
-160
0.01
-170
0
0
5
10
15
20
25
30
OUTPUT POWER (mW)
FIGURE 24. THD+N vs OUTPUT POWER
-180
20
50 100 200 500 1k 2k
FREQUENCY (Hz)
5k 10k 20k
FIGURE 25. AUDIO CHANNEL-TO-CHANNEL CROSSTALK
-60
-65
V_DD = 3.3V
V_SIGNAL = 0.707V_RMS
-70 AUDIO MUTE MODE
-75
R_L = 20kΩ
-80
-85
R_L = 1kΩ
-90
-95
-100
-105
R_L = 32Ω
-110
-115
-120
-125
-130
20
50 100 200 500 1k 2k
FREQUENCY (Hz)
5k 10k 20k
FIGURE 26. OFF-ISOLATION AUDIO SWITCH vs LOADING vs FREQUENCY
15
FN6817.3
May 4, 2009