Press Release
Release date: May 12, 2008
Highly Integrated, Compact Solutions for Differential Sensors in Automotive Body-Electronics Applications
16-Bit RISC Microcontroller-Based Smart Data-Acquisition Systems
o The MAXQ7665/MAXQ7666 are system-on-chip (SoC), mixed-signal microcontrollers based on Maxim's innovative MAXQ architecture.
o The MAXQ7665/MAXQ7666 provide the most integrated system solution for processing magnetic sensor output signals in automotive and industrial applications.
o Occupying only 7mm x 7mm of board space, these microcontrollers integrate all the functions needed to measure signals from magnetic (magneto-resistive) sensors with an accuracy of up to 8µV and transmit processed analog and/or digital data.
o Designed to operate in harsh, space-constrained environments, the MAXQ7665/MAXQ7666 are ideal for automotive body electronics and industrial position/displacement applications.
SUNNYVALE, CA-May 12, 2008-Maxim Integrated Products (PINK OTC MARKETS: MXIM) introduces the newest members of its RISC MAXQ® microcontroller product line: the MAXQ7665/MAXQ7666* system-on-chip (SoC), mixed-signal microcontrollers for sensor applications. Designed for use with anisotropic magnetoresistive (AMR) sensors, the devices provide a complete system solution for the contactless sensing of linear or angular position/displacement. Requiring only 7mm x 7mm of board space, these compact microcontrollers integrate all of the functions needed to accurately measure the low-amplitude signals of AMR sensors, and provide analog and/or digital outputs. Designed to digitize and process signals in harsh, space-constrained environments, the MAXQ7665/MAXQ7666 are ideal for automotive applications such as steering, braking, and throttle position control, as well as industrial control applications such as valve positioning and shaft rotation.
The MAXQ7665/MAXQ7666 feature an 8-channel differential input, followed by a programmable-gain amplifier (up to 32x) and a 12-bit, 500ksps ADC. These devices digitize sensor outputs with an accuracy of up to 8µV, enabling very precise real-world measurements. To ensure precision during operation, the MAXQ7665/MAXQ7666 feature both local-die and remote temperature sensing, which allow for temperature compensation of the sensor output. These devices also monitor the supply-rail voltage to respond to power-failure conditions, and they integrate a watchdog timer and three timers with input-capture and output-compare capabilities to ensure reliable operation.
The MAXQ7665/MAXQ7666 embed a 16-bit RISC MAXQ microcontroller core, which is enhanced by a 16 x 16 hardware multiplier and 48-bit accumulator. The devices can process digitized data and execute user applications at up to 1MIPS per MHz, while consuming only 0.25mA per MIPS. In addition to integrating 512 bytes of SRAM for data, the MAXQ7665 offers 64kB and the MAXQ7666 offers 16kB of automotive-grade flash memory. Both analog and digital outputs are available from either an on-chip 12-bit voltage DAC with a buffered output, a UART port (for LIN 2.0 communication), eight general-purpose I/Os, or a CAN 2.0B-compliant interface.
The MAXQ7665/MAXQ7666 are available in a space-saving, 7mm x 7mm, 48-pin TQFN package and are fully specified over the -40°C to +125°C automotive temperature range. Prices start at $7.83 for the MAXQ7665 and $7.49 for the MAXQ7666 (1000-up, FOB USA). An evaluation kit is available to speed designs. The kit includes an evaluation board and a PC-based integrated development environment (IDE). The IDE provides a debugger, assembler/linker, a time-limited version of the IAR C compiler, and a simulator. Maxim's website offers many application notes and software examples to use with the evaluation kit (www.maxim-ic.com/maxq).
Maxim Integrated Products is a publicly traded company that designs, manufactures, and sells over $2 billion of high-performance semiconductor products annually. It was founded over 25 years ago with the mission to deliver innovative analog and mixed-signal engineering solutions that add value to its customers' products. To date, Maxim has developed over 5600 products serving the industrial, communications, consumer, and computing markets. For more information, go to www.maxim-ic.com.
*Future product-contact factory for availability.
Customer Service: 1-800-998-8800
Company Information:
Name: Maxim Integrated Products
Address: 120 San Gabriel Dr.
City: Sunnyvale
State: CA
ZIP: 94086
Country: USA
Phone: 408-737-7600
FAX: 408-737-7194
http://www.maxim-ic.com
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