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MB40528 Fiches technique(PDF) 8 Page - fujitsu semiconductor

No de pièce MB40528
Description  1 Channel 8-bit A/D Converter
PDF  14 Pages
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Fabricant  FUJITSU [fujitsu semiconductor]
Site Internet  
Logo FUJITSU - fujitsu semiconductor

MB40528 Fiches technique(HTML) 8 Page - fujitsu semiconductor

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8
MB40528
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EQUIVALENT CIRCUITS
Figure 2. Analog Input Equivalent Circuit
CINA: Non-linear Emitter-follower Junction Capacitance
RINA: Linear Resistance Model for Input Current Transition by Comparator Switching:
finite value for VINA < VRB or when CLK =
“H” level
VRB:
Voltage at VRB pin (Not the VRB pin itself)
IBIAS: Constant Input Bias Current
VD:
The base-collector junction diode of emitter-follower transistor.
Figure 3. Reference Voltage Circuit
GND
GND
VCC
x 255 CIRCUITS
VINA
VCC
VINA
CINA
IBIAS
RINA
VD
VRB
20k
Ω
30k
Ω
IRB
Buffer
VRB pin
VCC
GND



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