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DAC122S085 Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part No. DAC122S085
Description  12-Bit Micro Power DUAL Digital-to-Analog Converter with Rail-to-Rail Output
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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DAC122S085 Datasheet(HTML) 3 Page - National Semiconductor (TI)

 
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Pin Descriptions
MSOP
Pin No.
Symbol
Type
Description
1V
A
Supply
Power supply input. Must be decoupled to GND.
2V
OUTA
Analog Output
Channel A Analog Output Voltage.
3V
OUTB
Analog Output
Channel B Analog Output Voltage.
4
NC
Not Connected
5
NC
Not Connected
6
GND
Ground
Ground reference for all on-chip circuitry.
7V
REFIN
Analog Input
Unbuffered reference voltage shared by both channels.
Must be decoupled to GND.
8D
IN
Digital Input
Serial Data Input. Data is clocked into the 16-bit shift
register on the falling edges of SCLK after the fall of
SYNC.
9
SYNC
Digital Input
Frame synchronization input for the data input. When this
pin goes low, it enables the input shift register and data is
transferred on the falling edges of SCLK. The DAC is
updated on the 16th clock cycle unless SYNC is brought
high before the 16th clock, in which case the rising edge
of SYNC acts as an interrupt and the write sequence is
ignored by the DAC.
10
SCLK
Digital Input
Serial Clock Input. Data is clocked into the input shift
register on the falling edges of this pin.
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