Datasheet

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
TMS320F28030, TMS320F28031, TMS320F28032
TMS320F28033, TMS320F28034, TMS320F28035
www.ti.com SPRS584J –APRIL 2009–REVISED OCTOBER 2013
Figure 6-27. ADC Input Impedance Model
Copyright © 2009–2013, Texas Instruments Incorporated Electrical Specifications 139
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TMS320F28035