参数资料
型号: ISL54205A
厂商: Intersil Corporation
英文描述: MP3/USB 2.0 High Speed Switch with Negative Signal Handling
中文描述: MP3/USB 2.0高的负信号处理速度开关
文件页数: 7/14页
文件大小: 352K
代理商: ISL54205A
7
FN6342.1
December 7, 2006
FIGURE 5. CAPACITANCE TEST CIRCUIT
FIGURE 6. AUDIO CROSSTALK TEST CIRCUIT
FIGURE 7A. MEASUREMENT POINTS
FIGURE 7B. TEST CIRCUIT
FIGURE 7. SKEW TEST
Test Circuits and Waveforms
(Continued)
V
DD
C
GND
AUDIO OR USB
COMx
V
BUS
IMPEDANCE
ANALYZER
V
BUSL
or
V
BUSH
Repeat test for all switches.
CTRL
0V or Float
ANALYZER
V
DD
C
L or R
SIGNAL
GENERATOR
R
L
GND
V
BUS
COMx
32
Ω
N.C.
COMx
R or L
Signal direction through switch is reversed, worst case values
are recorded. Repeat test for all switches.
CTRL
DIN+
DIN-
OUT+
OUT-
50%
50%
90%
10%
10%
10%
10%
90%
90%
50%
90%
50%
t
ri
t
fi
t
ro
t
f0
t
skew_i
t
skew_o
OUT+
C
L
COM-
D+
GND
V
DD
C
D-
COM+
C
L
OUT-
DIN+
DIN-
|tro - tri| Delay Due to Switch for Rising Input and Rising Output Signals.
|tfo - tfi| Delay Due to Switch for Falling Input and Falling Output Signals.
|tskew_0| Change in Skew through the Switch for Output Signals.
|tskew_i| Change in Skew through the Switch for Input Signals.
15.8
Ω
15.8
Ω
143
Ω
143
Ω
45
Ω
45
Ω
CTRL
V
BUS
V
BUSH
ISL54205A
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