Features: Single-Supply Operation +5V (MAX5130) +3V (MAX5131)
Full-Scale Output Range +4.0955V (MAX5130) +2.04775V (MAX5131)
Built-In 10ppm/°C (max) Precision Bandgap Reference +2.5V (MAX5130) +1.25V (MAX5131)
Adjustable Output Offset
SPI/QSPI/MICROWIRE-Compatible, 3-Wire Serial Interface
Pin-Programmable Shutdown Mode and Power-Up Reset (0V or Midscale Output Voltage)
Buffered Output Capable of Driving 5kΩ|| 100pF or 420mA Loads
Space-Saving 16-Pin QSOP Package
Pin-Compatible Upgrades to the 12-Bit MAX5120/MAX5121
Pin-Compatible 14-Bit Upgrades Available (MAX5170/MAX5172)ApplicationIndustrial Process Control
Automatic Test Equipment (ATE)
Digital Offset and Gain Adjustment
Motion Control
µP-Controlled SystemsPinout
SpecificationsVDDto AGND, DGND...............................................-0.3V to +6V
AGND to DGND.....................................................-0.3V to +0.3V
Digital Inputs to DGND.............................................-0.3V to +6V
Digital Outputs (DOUT, UPO) to DGND.....-0.3V to (VDD+ 0.3V)
OUT to AGND.............................................-0.3V to (VDD+ 0.3V)
OS to AGND...................................(AGND - 4V) to (VDD+ 0.3V)
REF, REFADJ to AGND..............................-0.3V to (VDD+ 0.3V)
Maximum Current into Any Pin............................................50mA
Continuous Power Dissipation (TA= +70°C)
QSOP (derate 8.00mW/°C above +70°C).....................667mW
Operating Temperature Range...........................-40°C to +85°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10sec).............................+300°CDescriptionThe MAX5130/MAX5131 are low-power, 13-bit, voltage-output digital-to-analog converters (DACs) with an inter-nal precision bandgap reference and output amplifier.The MAX5130 operates on a single +5V supply with an internal reference of +2.5V, and is capable of a +4.0955V full-scale output. If necessary, the user can override the on-chip, <10ppm/°C voltage reference with an external reference. The MAX5131, operating on +3V, delivers its+2.04775V full-scale output with an internal precision ref-erence of +1.25V. Both devices draw only 500µA of sup-ply current, which reduces to 3µA in power-down mode.In addition, their power-up reset feature allows for a user-selectable initial output state of either 0V or midscale and minimizes output voltage glitches during power-up.
The serial interface is compatible with SPI™, QSPI™, and MICROWIRE™, which makes the MAX5130/MAX5131 suitable for cascading multiple devices. Each DAC has a double-buffered input organized as an input register fol-lowed by a DAC register. A 16-bit shift register loads data into the input register. The DAC register may be updated independently or simultaneously with the input register.
Both devices of MAX5131 are available in a 16-pin QSOP package and are specified for the extended-industrial (-40°C to +85°C) temperature range. For pin-compatible 14-bit upgrades, see the MAX5170/MAX5172 data sheet; for pin-compatible 12-bit versions, see the MAX5120/MAX5121 data sheet.
MAX5131 Data Sheet
