Features: Dual, 12-/10-/8-Bit Serial DACs in 4mm x 4mm Thin QFN and TSSOP Packages
3µs (max) 12-Bit Settling Time to 1/2 LSB
Integral Nonlinearity 1 LSB (max) MAX5290/MAX5291 A-Grade (12-Bit) 1 LSB (max) MAX5292/MAX5293 (10-Bit) 1/2 LSB (max) MAX5294/MAX5295 (8-Bit)
Guaranteed Monotonic, ±1 LSB (max) DNL
Two User-Programmable Digital I/O Ports
Single +2.7V to +3.6V Analog Supply
+1.8V to AVDDDigital Supply
20MHz 3-Wire SPI-/QSPI-/MICROWIRE- and DSP-Compatible Serial Interface
Glitch-Free Outputs Power Up to Zero Scale,Midscale or Full Scale
Unity-Gain- or Force-Sense-Configured Output BuffersApplicationPortable Instrumentation
Automatic Test Equipment (ATE)
Digital Offset and Gain Adjustment
Automatic Tuning
Programmable Voltage and Current Sources
Programmable Attenuators
Industrial Process Controls
Motion Control
Microprocessor (µP)-Controlled Systems
Power Amplifier Control
Fast Parallel-DAC to Serial-DAC UpgradesPinout
SpecificationsAVDDto DVDD........................................................................±6V
AGND to DGND..................................................................±0.3V
AVDDto AGND, DGND.............................................-0.3V to +6V
DVDDto AGND, DGND............................................-0.3V to +6V
FB_, OUT_,
REF to AGND........-0.3V to the lower of (AVDD + 0.3V) or +6V
SCLK, DIN, CS, PU,
DSP to DGND.......-0.3V to the lower of (DVDD + 0.3V) or +6V
UPIO1, UPIO2
to DGND...............-0.3V to the lower of (DVDD + 0.3V) or +6V
Maximum Current into Any Pin.........................................±50mA
Continuous Power Dissipation (TA= +70°C)
14-Pin TSSOP (derate 9.1mW/°C above +70°C).........727mW
16-Pin TSSOP (derate 9.4mW/°C above +70°C).........755mW
16-Pin Thin QFN (derate 16.9mW/°C above +70°C).1349mW
Operating Temperature Range...........................-40°C to +85°C
Storage Temperature Range.............................-65°C to +150°C
Maximum Junction Temperature.....................................+150°C
Lead Temperature (soldering, 10s).................................+300°C
DescriptionThe MAX5290MAX5295 dual, 12-/10-/8-bit, voltage-output 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 3.6V analog supply and a separate 1.8V to 3.6V digital sup-ply. 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 direct access or daisy-chained configuration. The MAX5290MAX5295 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 MAX5290/MAX5291 are 12-bit DACs, the MAX5292/MAX5293 are 10-bit DACs, and the MAX5294/MAX5295 are 8-bit DACs. The MAX5290/ MAX5292/MAX5294 pro-vide unity-gain-configured output buffers, while the MAX5291/MAX5293/MAX5295 provide force-sense-con-figured output buffers. The MAX5290 MAX5295 are specified over the extended -40°C to +85°C temperature range, and are available in space-saving 4mm x 4mm,16-pin thin QFN and 6.5mm x 5mm, 14-pin and 16-pin TSSOP packages.
MAX5290 Data Sheet
