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LTC1597 - 16-Bit Parallel Low Glitch Multiplying DAC with 4-Quadrant Resistors

The LTC1591/LTC1597 are pin compatible, parallel input 14-bit and 16-bit multiplying current output DACs that operate from a single 5V supply. INL and DNL are accurate to 1LSB over the industrial temperature range in both 2- and 4-quadrant multiplying modes. True 16-bit 4-quadrant multiplication is achieved with on-chip 4-quadrant multiplication resistors.

These DACs include an internal deglitcher circuit that reduces the glitch impulse to less than 2nV-s (typ). The asynchronous CLR pin resets the LTC1591/LTC1597 to zero scale and LTC1591-1/LTC1597-1 to midscale.

The LTC1591/LTC1597 are available in 28-pin SSOP and PDIP packages and are specified over the industrial temperature range.

For serial interface 16-bit current output DACs refer to the LTC1595/LTC1596 data sheet.

Features True 16-Bit Performance Over Industrial Temperature Range DNL and INL: 1LSB Max On-Chip 4-Quadrant Resistors Allow Precise 0V to 10V, 0V to -10V or ±10V Outputs Pin Compatible 14- and 16-Bit Parts Asynchronous Clear Pin LTC1591/LTC1597: Reset to Zero Scale LTC1591-1/LTC1597-1: Reset to Midscale Glitch Impulse < 2nV-s 28-Lead SSOP Package Low Power Consumption: 10µW Typ Power-On Reset Typical Application

Applications Process Control and Industrial Automation Direct Digital Waveform Generation Software-Controlled Gain Adjustment Automatic Test Equipment Packaging

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