Texas Instruments TMS320F28069

ac
R
s
ADCIN
C
5 pF
p
C
1.6 pF
h
Switch
Typical Values of the Input Circuit Components:
Switch Resistance (R ): 3.4 k
on
W
Sampling Capacitor (C ): 1.6 pF
h
Parasitic Capacitance (C ): 5 pF
p
Source Resistance (R ): 50
s
W
28x DSP
Source
Signal
3.4 k
W
R
on
88
TMS320F28069 , TMS320F28068 , TMS320F28067 , TMS320F28066
TMS320F28065, TMS320F28064, TMS320F28063, TMS320F28062
SPRS698F –NOVEMBER 2010–REVISED MARCH 2016 www.ti.com
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TMS320F28064 TMS320F28063 TMS320F28062
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Figure 6-24. ADC Input Impedance Model