Precision data converter portfolio integrated with ARM7 family core

19 May 2004 DSP, Micros & Memory Access Control & Identity Management

By embedding precision analog functionality with digital programming on a single chip, Analog Devices says it aims to greatly simplify control and monitoring in applications such as factory automation sensors, optical network transmitters and automotive body control electronics.

The new ADuC702x solutions integrate an ARM7TDMI core that features a flash-based 16-/32-bit RISC MCU with processing capability up to 45 MIPS peak performance. Analog peripherals include up to 16 channels of fast, 12-bit accurate analog-to-digital conversion, up to four individual 12-bit monotonic digital-to-analog converters and a precision bandgap reference with a drift performance of better than 10 ppm/°C. Other peripherals include a comparator, PLA (programmable logic array), and 3-phase PWM generator.

The devices also support flexible power-down and wake-up modes and are specified for 3 V operation with temperature ranges of from -40 to either +85°C, +105°C, or +125°C. Packaging options range from a tiny 6 x 6 mm 40-lead CSP (chip-scale package) to an 80 pin LQFP.

The ADuC702x precision analog microcontroller family joins ADI's portfolio of 8052-based solutions, known as the MicroConverter series. MicroConverter products are designed for high-precision measurement and control, and data acquisition systems with basic digital programming needs.

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