12-/10-/8-bit dual SPI/I2C DACs integrate precision reference in 8-lead 3-mm x 3-mm TSOT-23 package

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The LTC2632 and LTC2633 dual DACs complete Linear’s family of tiny 12-bit, 10-bit, and 8-bit voltage output DACs with internal references. The LTC263x family of single, dual, quad and octal DACs offers a versatile selection, featuring the smallest solution size for numerous trimming applications.

The LTC2632 and LTC2633 DACs offer accurate DC performance with a 12-bit INL of ±1LSB (max), ±5 mV (max) offset error and ±0.8 % FSR (max) gain error. Notable AC performance includes fast 4.4 µs settling time and low 2.8 nV•s glitch impulse. Each dual DAC integrates a precision 10ppm/°C reference into a tiny 8-lead 3 mm x 3 mm TSOT-23 package. The devices’ small size and integrated reference offer space reduction for compact circuit boards, making them ideal for a variety of industrial, automotive, portable communications and ATE applications.

Availability and Pricing

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 2.5 V (-L) or 4.096V (-H) full-scale output range, making them a good fit for 3 V or 5 V 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 to +125°C) or commercial (0 to +70°C) temperature ranges. Pricing begins at $1.56 each in 1,000-piece quantities.

More information about the LTC2632 and LTC2633 DACS at


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