isl54209 Intersil Corporation, isl54209 Datasheet - Page 6

• Manufacturer Part Number: isl54209
• Description: Mp3/usb 2.0 High Speed Switch With Negative Signal Handling And Low Power Shutdown
• Manufacturer: Intersil Corporation

Test Circuits and Waveforms
Logic input waveform is inverted for switches that have the opposite
logic sense.
V
Repeat test for all switches.
L
OUTPUT
OUTPUT
SWITCH
OR R
SWITCH
SWITCH
LOGIC
INPUT
LOGIC
INPUT
INPUT
r
ON
V
V
V
V
V
V
= V
INPUT
INH
OUT
FIGURE 1A. MEASUREMENT POINTS
FIGURE 2A. MEASUREMENT POINTS
INL
FIGURE 3. AUDIO r
0V
INH
INL
40mA
0V
1
/40mA
V
1
t
COMx
ON
L OR R
50%
6
ON
CTRL
90%
GND
TEST CIRCUIT
t
OFF
V
t
D
OUT
V
DD
C
FIGURE 2. BREAK-BEFORE-MAKE TIME
IN
0V OR FLOAT
t
t
FIGURE 1. SWITCHING TIMES
90%
r
f
< 20ns
< 20ns
90%
ISL54209
Repeat test for all switches. C
capacitance.
Repeat test for all switches. C
V
V
Repeat test for all switches.
INPUT
D-
SWITCH
OR D+
INPUT
V
V
IN
IN
r
ON
V
INPUT
= V
FIGURE 4. USB r
40mA
1
/40mA
V
FIGURE 1B. TEST CIRCUIT
D- OR D+
L OR R
FIGURE 2B. TEST CIRCUIT
IN
OUT
AUDIO OR USB
IN
CTRL
CTRL
=
V
1
V
V (INPUT)
V
GND
L
DD
DD
L
GND
includes fixture and stray capacitance.
COMx
D- OR D+
includes fixture and stray
ON
C
C
TEST CIRCUIT
CTRL
GND
COMx
----------------------- -
R
COMx
L
R
+
L
V
r
ON
DD
50Ω
IN
50Ω
R
R
C
December 20, 2007
L
L
V
OUT
V
V
OUT
DD
10pF
FN6627.0
C
10pF
L
C
L