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| ISL54207 Datasheet, PDF (6/14 Pages) Intersil Corporation – Low Voltage, Dual SPDT, USB/CVBS/ Audio Switches, with Negative Signal Capability | |||
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ISL54207
Test Circuits and Waveforms (Continued)
VDD C
VBUSH
LOGIC
INPUT
VBUSL
VINPUT
CTRL
NOx
NCx
VBUS
COMx
VOUT
RL
CL
50Ω
10pF
VOUT
SWITCH
OUTPUT
0V
90%
VBUS
GND
tD
Repeat test for all switches. CL includes fixture and stray
capacitance.
FIGURE 2A. MEASUREMENT POINTS
FIGURE 2B. TEST CIRCUIT
FIGURE 2. BREAK-BEFORE-MAKE TIME
VDD
C
rON = V1/100mA
VNCx
CTRL
NCx
V1
100mA
COMx
GND
VBUS OV or Float
VDD
C
rON = V1/40mA
VNOx
CTRL
NOx
V1
VBUS 4.4V to 5.25V
40mA
COMx
GND
Repeat test for all switches.
FIGURE 3. AUDIO rON TEST CIRCUIT
Repeat test for all switches.
FIGURE 4. USB rON TEST CIRCUIT
6
FN6403.0
December 5, 2006
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