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Design Notes

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  The LTC1446/LTC1446L: World's First Dual 12-Bit DACs in SO-8 &mdash DN131
  PDF, 77 Kb, File published: Jun 3, 1996
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  The LTC1446/LTC1446L: World’s First Dual 12-Bit DACs in SO-8
  Design Note 131
  Hassan Malik and Kevin R. Hoskins
  The LTCВ®1446/LTC1446L are the п¬Ѓrst dual, single supply,
  rail-to-rail voltage output 12-bit DACs. Both parts include
  an internal reference and two DACs with rail-to-rail
  output buffer amplifiers, packaged into a space-saving
  8-pin SO or PDIP package. The LTC1446’s patented
  architecture is inherently monotonic and has excellent
  12-bit DNL, guaranteed to be less than 0.5LSB. These
  parts have an easy-to-use SPI compatible interface that
  allows daisy-chaining.
  Low Power 5V or 3V Single Supply
  The LTC1446 has an output swing of 0V to 4.095V, with
  each LSB equal to 1mV. It operates from a single 4.5V
  to 5.5V supply, drawing 1mA. The LTC1446L has an
  output swing of 0V to 2.5V, operates on a single 2.7V
  to 5.5V supply and draws 650ОјA.
  Complete Stand-Alone Performance
  Figure 1 shows a block diagram of the LTC1446/
  LTC1446L. The data inputs for both DAC A and DAC B
  are clocked into one 24-bit shift register. The п¬Ѓrst 12-bit
  segment is for DAC A and the second is for DAC B. Each 12-bit segment is loaded MSB п¬Ѓrst and latched into the …

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Manufacturer's Classification

• Data Conversion > Analog-to-Digital Converters (ADC) > Precision ADCs (Fs < 10Msps) > Multi Channel ADCs

Other Names:

LTC1296DCNPBF, LTC1296DCN PBF