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LM9831CCVJDX Datasheet(PDF) 9 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # LM9831CCVJDX
Description  LM9831 42-Bit Color, 1200dpi USB Image Scanner
PDF  41 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM9831CCVJDX Datasheet(HTML) 9 Page - National Semiconductor (TI)

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Miscellaneous
RESET
Digital input. Take high to force device into
Power On Reset state, low to exit reset state.
TEST
Analog Output.
CMODE
Digital Input. Test mode, always tie high.
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 LM9831’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.



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