FSA2268 Просмотр технического описания (PDF) - Fairchild Semiconductor
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FSA2268 Datasheet PDF : 12 Pages
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Test Diagrams (Continued)
Network Analyzer
RS
VIN
GND
VS
VSel
GND
GND
RT
GND
V OU T
RT
GND
GND
RS and RT are functions of the application
environment (50, 75, or 100 ).
CROSSTALK = 20 Log (VOUT/ VIN )
Figure 13. Adjacent Channel Crosstalk
Generator
B
VS
RS VIN
GND
nSn
VSEL
GND
mA
CL
VCC
Input – VSEL Off
VOUT
0V
GND
VOUT
CL includes test fixture and stray capacitance
Figure 14. Charge Injection Test
On
Off
VOUT
Q = VOUT / CL
nBn
Capacitance
Meter
f = 1MHz
nBn
nSn
VSel = 0 or Vcc
Figure 15. Channel Off Capacitance
Capacitance
Meter
f = 1MHz
nBn
nBn
nSn
VSel= 0 orVcc
Figure 16. Channel On Capacitance
Audio Analyzer
RS
V IN
GND
VS
V CNTRL
GND
GND
VSel = 0 or Vcc
GND
V OU T
RT
GND
RS and RT are functions of the application
environment (see AC Tables for specific values).
Figure 17. Total Harmonic Distortion
© 2007 Fairchild Semiconductor Corporation
FSA2268/FSA2268T Rev. 1.0.9
9
www.fairchildsemi.com
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