Smart Grid Solutions Guide - Maxim

Power-grid monitoringRecommended solutionsRecommended solutions (continued)Part Description Features BenefitsCalibration digital-to-analog converters (CDACs)MAX5134–37,MAX5138/391-/2-/4-channel, 16-/12-bit DACswith pin-programmable zero ormidscale power-upOutput set to zero or midscale upon power-upAdd extra safety during power-upMAX5661Single-channel DAC with 16-bitvoltage- or current-buffered outputIntegrated high-voltage current and voltageamplifiers; serial interfaceReduces external component count; reducescostMAX55004-channel, 12-bit DAC with precisionamplifier-output conditionersOutput conditioners; 0.85mA quiescent current (I Q )Needs no external amplifiers; makes equipmentmore cost effectiveMAX5105/15Quad, 8-bit CDACs with independenthigh- and low-reference inputsRail-to-rail output buffers; choice of I 2 C or SPIinterfaceSelectable voltage range improves granularityand prevents unsafe adjustmentsMAX5106Quad, 8-bit CDAC with independentlyadjustable voltage rangesAllows customization of calibration granularity; small5mm x 6mm packageAvoids grossly misadjusted system at the startof the calibration procedure; reduces cost ofthe calibration DAC by reducing the requiredresolutionTouch-screen controllersMAX11800 Resistive touch-screen controller FIFO; spatial filtering; SPI interface Simplifies the task of identifying touch eventsMAX11801 Resistive touch-screen controller FIFO; spatial filtering; I 2 C interface Simplifies the task of identifying touch eventsMAX11802Resistive touch-screen controller withSPI interfaceSPI interfaceBasic feature set for lowest costMAX11803Resistive touch-screen controller withI 2 C interfaceI 2 C interfaceBasic feature set for lowest costMAX11811Resistive touch-screen controller withhaptics driverIntegrated haptics driver; I 2 C interfaceAdds tactile feedback to resistive touch screensfor improved usabilityUARTMAX3107SPI/I 2 C UART with integratedoscillator24Mbps (max) data rates; power-save features;RS-485 control; four GPIOs; 24-pin SSOP or smallTQFN (3.5mm x 3.5mm) packagesTiny package saves board space;high integration of features frees upmicrocontrollerVoltage references, calibration voltage references (CRefs), and E²CRefsMAX6173Precise voltage reference withtemperature sensor±0.05% (max) initial accuracy; ±3ppm/°C (max)temperature stabilityAllows analog system gain trim whilemaintaining the digital accuracy of ADCsand DACs; allows easy system temperaturecompensationMAX6220DS4303Low-noise, precision voltagereferenceElectronically programmable voltagereference (E²CRef)8V to 40V input-voltage range; ultra-low 1.5µV P-Pnoise (0.1Hz to 10Hz)Wide, adjustable output-voltage range can be setwithin 300mV of the supply rails with ±1mV accuracyEnables dependable operation during brownoutAutomates production test through easycalibration for reference voltages from 0.3V to2.7V(Continued on next page)www.maxim-ic.com/smartgrid 23