DESCRIPTION

· The TLC5618 and TLC5618A are dual 12-bit voltage output digital-to-analog converters (DACs) with buffered reference inputs.
· They feature an output voltage range that is two times the reference voltage and are monotonic.
· Operates from a single 5V supply and includes a power-on reset function for repeatable start-up conditions.
· Controlled via a 3-wire CMOS-compatible serial bus, receiving a 16-bit word for programming and producing the analog output.
· Digital inputs include Schmitt triggers for high noise immunity, supporting SPI, QSPI, and Microwire standards.
· TLC5618A includes an internal state machine for clock counting and data input control, making it suitable for TMS320 and SPI processors.
· TLC5618 is dependent on external timing signals and is recommended for SPI or 3-wire serial port processors.

FEATURES

· Programmable settling time to 0.5 LSB: 2.5 µs or 12.5 µs typical.
· Two 12-bit CMOS voltage output DACs in an 8-pin package.
· Simultaneous updates for DAC A and DAC B.
· High-impedance reference inputs and voltage output range twice the reference input voltage.
· Software powerdown mode and internal power-on reset.
· Low power consumption: 3 mW typical in slow mode, 8 mW typical in fast mode.
· Input data update rate of 1.21 MHz.
· Monotonic over temperature and available in Q-Temp Automotive HighRel configurations.
· Compatible with TMS320 and SPI processors.

APPLICATIONS

· Automotive high-reliability applications and battery-powered test instruments.
· Digital offset and gain adjustment in battery-operated/remote industrial controls.
· Machine and motion control devices.
· Cellular telephones and other portable devices requiring precise digital-to-analog conversion.