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SPI, I2C DACs available in 3x3mm package

Posted: 18 Mar 2011     Print Version  Bookmark and Share

Keywords:DACs  SPI  I<SUP>2</SUP>C  interface 

Linear Technology Corp. rolls the LTC2632 and LTC2633 families of dual 12bit, 10bit and 8bit rail-to-rail, voltage output DACs, with serial SPI (LTC2632) and I2C (LTC2633) interfaces.

 LTC2632 and LTC2633

The LTC2632 and LTC2633 DACs offer DC performance with a 12bit INL of ±1LSB (max), ±5mV (max) offset error and ±0.8 per cent FSR (max) gain error. AC performance includes 4.4µs settling time and 2.8nV�s glitch impulse. Each dual DAC integrates a precision 10ppm/°C reference into a tiny 8-lead 3 x 3mm TSOT-23 package. This cuts PCB size, making them suitable for industrial, automotive, portable communications and ATE applications.

The LTC2632 and LTC2633 are available in a number of ordering options, allowing designers to select one of the three resolution options, and between a 2.5V (-L) or 4.096V (-H) full-scale output range, making them a good fit for 3V or 5V systems. The devices also offer zero or mid-scale power-on reset options, with the LTC2633-L additionally offering a high impedance (Hi-Z) output option, ideal for power supply margining applications. All options are guaranteed over the automotive (-40°C to +125°C) or commercial (0°C to +70°C) temperature ranges.

Pricing begins at Rs.70.95 ($1.56) each in 1,000-piece quantities.





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