MAX5584

19-3164; Rev 1; 5/04 KIT ATION EVALU E L B A AVAIL Buffered, Fast-Settling, Quad, 12-/10-/8-Bit, Voltage-Output DACs Features ♦ 3µs (max) 12-Bit Settling Time to 0.5 LSB ♦ Quad, 12-/10-/8-Bit Serial DACs in TSSOP and Thin QFN (5mm x 5mm x 0.8mm) Packages ♦ ±1 LSB (max) INL and DNL at 12-Bit Resolution ♦ Two User-Programmable Digital I/O Ports ♦ Single +2.7V to +5.25V Analog Supply ♦ +1.8V to AVDD Digital Supply ♦ 20MHz, 3-Wire, SPI-/QSPI-/MICROWIRE-/DSPCompatible Serial Interface ♦ Glitch-Free Outputs Power Up to Zero Scale, Midscale, or Full Scale Controlled by PU Pin ♦ Unity-Gain or Force-Sense-Configured Output Buffers General Description The MAX5580–MAX5585 quad, 12-/10-/8-bit, voltageoutput, digital-to-analog converters (DACs) offer buffered outputs and a 3µs maximum settling time at the 12-bit level. The DACs operate from a +2.7V to +5.25V analog supply and a separate +1.8V to +5.25V digital supply. The 20MHz, 3-wire, serial interface is compatible with SPI™, QSPI™, MICROWIRE™, and digital signal processor (DSP) protocol applications. Multiple devices can share a common serial interface in directaccess or daisy-chained configuration. The MAX5580– MAX5585 provide two multifunctional, user-programmable, digital I/O ports. The externally selectable power-up states of the DAC outputs are either zero scale, midscale, or full scale. Software-selectable FAST and SLOW settling modes decrease settling time in FAST mode, or reduce supply current in SLOW mode. The MAX5580/MAX55...