MB40C238PFV Просмотр технического описания (PDF) - Fujitsu

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MB40C238PFV

30MHz 8-bit A/D converter

Fujitsu 

s DIAGRAM

3V

CLK

0V

VINA

VOHD

D0 to D7

VOLD

MB40C238

SANPLEN

SANPLEN+1

t W+

t W–

1.5 V

DATAN–2

tpd

DATAN–1

DATAN

0.5 DVDD

s DIGITAL OUTPUT BUFFER LOAD CIRCUIT

To the

measurement

point

Measurement point

CL = 15 pF

DVSS

(Note) CL includes a stray capacitance of a probe and a fixture.

s USAGE PRECAUTIONS

• Be sure to ground the pins of AVDD, DVDD, VRT and VRB via high-frequency capacitor. Place the high-frequency

capacitor as close as possible to the pin.

• You can minimize the power supply current dissipation due to the internal logic indetermination by making the

clock to 4CLK or higher.

7

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