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DAC1219 - 12-Bit Binary Multiplying D/A Converter

General Description

The DAC1218 and the DAC1219 are 12-bit binary 4-quadrant multiplying D to A converters The linearity differential non-linearity and monotonicity specifications for these converters are all guaranteed over temperature In addition these parameters are specified with standard zero and fullscale adjustm

Key Features

  • Y Y Y Y Linearity specified with zero and full-scale adjust only Logic inputs which meet TTL voltage level specs (1 4V logic threshold) Works with g 10V reference full 4-quadrant multiplication All parts guaranteed 12-bit monotonic Key Specifications Y Y Y Y Y Y Current Settling Time Resolution Linearity (Guaranteed over temperature) Gain Tempco Low Power Dissipation Single Power Supply 1 ms 12 Bits 12 Bits (DAC1218) 11 Bits (DAC1219) 1 5 ppm C 20 mW 5 VDC to 15 VDC Typical.

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DAC1218 DAC1219 12-Bit Binary Multiplying D A Converter December 1994 DAC1218 DAC1219 12-Bit Binary Multiplying D A Converter General Description The DAC1218 and the DAC1219 are 12-bit binary 4-quadrant multiplying D to A converters The linearity differential non-linearity and monotonicity specifications for these converters are all guaranteed over temperature In addition these parameters are specified with standard zero and fullscale adjustment procedures as opposed to the impractical best fit straight line guarantee This level of precision is achieved though the use of an advanced silicon-chromium (SiCr) R-2R resistor ladder network This type of thin-film resistor eliminates the parasitic diode problems associated with diffused resistors and allows the applied reference voltage to rang