Suited for broadcast I/O, anchored systems, and automated control, MAX15500/MAX15501 accommodate programmable voltage-output amplifier and current-output amplifier; Â±10 V and 4-20 mA outputs operating anon from 24 V acreage supply; Â±35 V ambit protection; and absurdity advertisement capability. Ascendancy voltage is about supplied by alien DAC with achievement voltage ambit of 0-4.096 V for MAX15500 and 0-2.5 V for MAX15501. Achievement accepted and voltage are selectable as unipolar or bipolar.
Industrial-output arresting conditioners affection aberrant integration.
Extensive Absurdity Advertisement Adequacy and Daisy-Chain Flexibility
SUNNYVALE, CA-August 19, 2009-Maxim Chip Articles (NASDAQ: MXIM) introduces the MAX15500/MAX15501 automated analog-output arresting conditioners. These accessories action the automated bazaar a different aggregate of college functionality, greater integration, and abate absolute band-aid admeasurement than aggressive devices. They affection aberrant integration: a programmable voltage-output amplifier and a current-output amplifier; ±10V and 4-20mA outputs operating anon from a 24V acreage supply; ±35V ambit protection; all-encompassing absurdity advertisement capability; and daisy-chain flexibility.
The MAX15500/MAX15501 save lath amplitude and architecture time in 4-20mA and/or bipolar/unipolar voltage-output applications. They are ideal for PLC (programmable argumentation controller) analog outputs, broadcast I/O, anchored systems, and automated ascendancy and automation. Their aerial affiliation adds adaptability for designs. Use a distinct accessory for channel-isolated applications or assorted accessories for group-isolated applications.
Optimized for PLC Modules
The MAX15500/MAX15501 abridge the architecture of PLC modules. Archetypal aggressive arresting conditioners charge precision-matched resistors to clue voltages able-bodied over temperature. The MAX15500/MAX15501s’ chip voltage amplifier and voltage-to-current advocate annihilate the charge for those added resistors, appropriately extenuative admired lath space. Alone the accepted gain-setting resistor is alien to the device. They action all-encompassing accountability detection, including open-circuit amount in accepted mode, circumlocute amount in voltage mode, overtemperature, and accumulation brownout. Both alternate and abiding amount faults can be detected. If a accountability occurs, the open-drain fault-interrupt pin will be pulled low. These are the alone accessories on the bazaar with all these chip features. The cachet of the accountability $.25 is accessible through the SPI(TM) interface.
The MAX15500/MAX15501 analog achievement conditioners accord a 5% and 20% over range, accouterment a programmable accepted up to ±24mA or voltage up to ±12V proportional to a control-voltage signal, as appropriate by PLC manufacturers. The ascendancy voltage is about supplied by an alien DAC with an achievement voltage ambit of 0 to 4.096V for the MAX15500, and 0 to 2.5V for the MAX15501.
The achievement accepted and voltage are selectable as either unipolar or bipolar. Additionally, a HART arresting may be added to the ascribe signal.
World-Class Absurdity Advertisement for Automated Control
Many industrial-control systems crave absurdity apprehension and absurdity handling. Archetypal aggressive accessories use 3x the cardinal of arrest flags for absurdity detection, appropriately acute added pins and potentially added optoisolators. None of these accountability pins are latched, so the antagonism needs added microcontroller interrupts to ascertain alternate errors. In addition, aggressive accessories adviser beneath sources of error, and none of them action power-supply monitoring.
In arresting contrast, the MAX15500/MAX15501 accept all-encompassing error-handling and the best error-reporting capabilities in their chic of products. Instead of application abstracted arrest pins, the MAX15500/MAX15501 address the cachet of short-circuit, open-circuit, brownout, and overtemperature altitude through an SPI interface and an added open-drain arrest output. This accountability apprehension adjustment reduces the I/O pin calculation and software loading appropriate by the host processor. For absurdity tracking and troubleshooting systems, an absurdity annals food the absurdity source. Uniquely, the MAX15500/MAX15501 accommodate an analog achievement to adviser the load. These are the alone arresting conditioners to do PSU monitoring.
Unique Performance Capabilities
“Designers can now accomplish their achievement conditioners anon from a ±24V acreage ability supply,” said Jeremy Tole, Maxim’s Director of Business Development for Data Converters. Running anon off the ±24V accumulation is a apparent advance over aggressive solutions which crave the use of an alien voltage regulator. Additionally, the MAX15500/MAX15501 accept a accepted acreage accumulation of ±24V, ±20%. Aggressive accessories can alone accomplish at a best accumulation voltage of ±22V. Therefore, the antagonism needs an alien regulator to apparatus their band-aid for ±24V.
With their college ±24V accumulation voltage, the MAX15500/MAX15501 can handle a archetypal amount of 750W in accepted mode. With ±32.5V supplies, this increases to 1000W. “Designers can be assured that their accessory outputs are adequate adjoin a ±35V acreage ability supply. This is a different affection of these devices,” added Tole. This voltage aegis will save money and lath amplitude back the added aegis chip about appropriate in added solutions is not necessary.
Additionally, the MAX15500/MAX15501 outputs, power-supply inputs, and faculty inputs are adequate adjoin overcurrent conditions, a abbreviate to ground, or accumulation voltages up to ±35V.
The MAX15500/MAX15501 are programmed through a 3-wire SPI-/QSPI(TM)-/MICROWIRE(TM)-/DSP-compatible consecutive interface with daisy-chain capability. This is the adopted interface because it saves lath amplitude and reduces the complication of optically-isolated and transformer-isolated applications. A device-ready argumentation achievement and two device-select inputs facilitate a daisy-chain adjustment for assorted accessory applications. A alternation of MAX15500/MAX15501 accessories can be concluded with any accepted SPI-compatible distinct device. The MAX15500/MAX15501 allocation of the alternation continues to affectation timing ambit commensurable to a distinct device.
MAX15500/MAX15501 Key Features
o Ability food accomplish from a ±24V automated acreage supply
o Up to ±32.5V accumulation voltage
o Achievement is adequate up to ±35V
o Supports either 4.096V (MAX15500) or 2.5V (MAX15501) ascribe signals
o Programmable achievement (plus over-range capability): ±10V, 0 to 10V, 0 to 5V, ±20mA, 0 to 20mA, and 4 to 20mA
o SPI interface, with daisy-chain capability
o Active-low READY achievement for daisy chaining
o DOUT for agreement readback for added operational safety
o All-encompassing absurdity reporting: circumlocute and overcurrent protection, open-circuit detection, black detection, overtemperature protection, and added operational safety
o Analog achievement for amount monitoring
o Achievement drives 0 to 1kW in accepted mode
o Voltage achievement drives endless bottomward to 1kW
o HART compliant
o 2ppm/°C gain-error alluvion over temperature
o Fast, 40µs clearing time
These MAX15500/MAX15501 accessories are offered in an ultra-small (5mm x 5mm) 32-pin TQFN package, and are defined over the -40°C to 105°C continued automated temperature range.
Prices alpha at $2.96 (1000-up, FOB USA). Samples and appraisal kits are available. For added advice amuse visit: www.maxim-ic.com/MAX15500-15501.
Maxim Chip Articles is a about traded aggregation that designs, manufactures, and sells high-performance semiconductor products. The Aggregation was founded over 25 years ago with the mission to bear avant-garde analog and mixed-signal engineering solutions that add amount to its customers’ products. To date, it has developed over 6000 articles confined the industrial, communications, consumer, and accretion markets.
Maxim appear acquirement in balance of $1.6 billion for budgetary 2009. A Fortune 1000 company, Maxim is included in the Nasdaq 100, the Russell 1000, and the MSCI USA indices. For added information, go to www.maxim-ic.com.
Customer Service: 1-800-998-8800
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