LM9833CCVJD datasheet(4/42 Pages) NSC

Part #	LM9833CCVJD

Description	LM9833 48-Bit Color, 1200dpi USB Image Scanner

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Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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Analog Power Supplies (4 pins)

VA (2)

This is the positive supply pin for the analog

supply. It should be connected to a voltage

source of +5V and bypassed to AGND with a

0.1µF monolithic capacitor in parallel with a

10µF tantalum capacitor.

AGND (2)

This is the ground return for the analog sup-

ply.

Digital Power Supplies (17 pins)

VD (5)

This is the positive supply pin for the digital

supply. It should be connected to a voltage

source of +5V and bypassed to DGND with a

0.1µF monolithic capacitor.

VDRAM(3)

This is the positive supply pin for the digital

supply for the LM9833’s external DRAM I/O. It

also powers the A, B, A, and B stepper motor

outputs. It should be connected to a 3 or 5V

supply and bypassed to the closest DGND pin

with a 0.1µF monolithic capacitor.

DGND (9)

This is the ground return for VD and VDRAM.

Pin Descriptions (Continued)

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