LTC2632ACTS8-LX12 Dual 12-Bit SPI DAC Output Trim/Adjust 8-Lead TSOT-23 Integrated Circuit Chip

The LTC2632ACTS8-LX12 belongs to the LTC2632 series of dual 12-bit voltage output DACs and comes in an 8-lead TSOT-23 package. With a 4.096 V on-chip reference and a SPI port, the two channels cover trim and adjust without extra gain or buffer stages.

Reference accuracy on the LTC2632ACTS8-LX12 is 10 ppm per degree C, and A grade linearity is specified for the full 12-bit code range. The LTC2632 output noise is 0.75 mV peak to peak over 0.1 Hz to 200 kHz, with monotonic behavior across -40 C to +125 C. At 4.096 V full scale one 12-bit code step is 1 mV, and the A grade LTC2632ACTS8-LX12 holds that resolution across the operating range.

Each LTC2632 channel has a data latch that can be preloaded before an update, and the LTC2632ACTS8-LX12 offers power-on reset to zero scale, midscale or high impedance. This keeps the analog output defined while the system supply is still ramping. On the LTC2632ACTS8-LX12 the SPI port and latch structure keep trim and adjust deterministic after every write.

The LTC2632ACTS8-LX12 operates from 2.7 V to 5.5 V and draws 0.4 mA at 3 V, which suits battery powered and loop powered designs. Where a system reference already exists, the LTC2632 internal reference can be overdriven so both channels share the same full-scale voltage. With its 4.096 V span the LTC2632ACTS8-LX12 covers trim and adjust without an external amplifier stage.

Every order of the LTC2632ACTS8-LX12, part of the LTC2632 dual DAC line, ships in 8-lead TSOT-23 packaging with full traceability, RoHS compliant and lead free, and samples plus volume pricing are available on request.

• Two 12-bit LTC2632 voltage output DAC channels
• 4.096 V full-scale output from the internal reference
• 10 ppm per degree C reference temperature coefficient
• A grade linearity specified over the full code range
• Low noise: 0.75 mV peak to peak from 0.1 Hz to 200 kHz
• Guaranteed monotonic from -40 C to +125 C
• Selectable internal or external reference
• 2.7 V to 5.5 V supply range
• Low power: 0.4 mA at 3 V
• Power-on reset to zero scale, midscale or high impedance
• Double-buffered data latches
• SPI compatible serial interface
• 8-lead TSOT-23 package

• Portable instrumentation
• Digital gain and offset adjustment
• Programmable reference levels
• Sensor calibration
• Battery powered control systems

The LTC2632ACTS8-LX12 is built for trim and adjust that need two stable 12-bit outputs with a 4.096 V span in an 8-lead TSOT-23 footprint.

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Mixed orders are common in this category, so the table below lists the related parts we keep available.