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フルデータシート (PDF, 288kB) 英語 ダウンロードする The MAXQ8913 is a single-chip servo controller designed as a complete solution for dual axis optical image stabilization (OIS) applications. The device incorporates all the necessary elements for conditioning of sensor signals, analog-to-digital conversion, digital servo algorithm implementation using a 16-bit RISC microcontroller, and digital-to-analog conversion, as well as including dual servo amplifiers. Even though the device is targeted for OIS applications, it can be effectively used in many other types of servo control. The MAXQ8913 supports both voice coil and stepper motor applications. The MAXQ8913 includes four op amps; a 7-channel, 12-bit ADC; dual 10-bit differential DACs; and dual 8-bit single-ended DACs. It also contains 64KB of flash memory, 4KB of RAM, 4KB of ROM, a 16-bit timer/counter, a universal asynchronous/synchronous receiver-transmitter (USART), an I²C port, and an SPI™ master/slave port. For the ultimate in low-power performance, the OIS device includes a low-power sleep mode, the ability to selectively disable peripherals, and multiple power-saving operating modes.

主な特長		アプリケーション/用途
High-Performance, Low-Power, 16-Bit MAXQ® RISC Core One-Cycle, 16 x 16 Hardware Multiply/Accumulate with 48-Bit Accumulator Two Current Sinks for Driving Hall-Effect Elements Four DACs DC to 10MHz Operation; Approaching 1MIPS per MHz 2.7V to 3.6V Logic/Analog Operating Voltage 33 Instructions, Most Single Cycle Three Independent Data Pointers Accelerate Data Movement with Automatic Increment/Decrement 16-Level Hardware Stack 16-Bit Instruction Word, 16-Bit Data Bus 16 x 16-Bit General-Purpose Working Registers Optimized for C Compilers Memory Features 64KB Flash Memory 4KB of Internal Data RAM 4KB of Utility ROM JTAG Bootloader for Programming and Debug Peripherals Four Operational Amplifiers 12-Bit SAR ADC with Internal Reference and Autoscan Up to 312ksps Sample Rate Seven-Input Mux (Four Internally Connected to Op-Amp Outputs, One Internally Connected to Temp Sensor, and Two Connected to Uncommitted External Pins) Brownout Reset Generation 16-Bit Programmable Timer/Counter USART, I²C, and SPI Master/Slave On-Chip Power-On Reset/Brownout Reset Programmable Watchdog Low-Power Consumption 3mA (max) at 10MHz Flash Operation at 3.3V 4.5µA (max) in Stop Mode Low-Power Power-Management Mode (PMM)		ディジタルカメラおよび携帯電話の光学画像安定化 サーボループ制御 スピーカドライブ付きトーン生成

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