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ADuC841 Datasheet

ADuC841 Datasheet

Precision Analog Microcontroller: 20MIPS 8052 Flash MCU + 8-Ch 12-Bit ADC + Dual 12-Bit DAC
Part No.: ADuC841
Page: 95 Pages
Size: 1236 KB
Manufacturer: Analog Devices, Inc.
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Views: 1
Update Time: 2023-10-17 13:49:17
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ADuC841 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
ADuC841BSZ62-5 Tray 96   3 52 -40°C ~ 85°C 52-Lead Plastic Quad Flat Package [MQFP]  
ADuC841BSZ62-3 Tray 96   3 52 -40°C ~ 85°C 52-Lead Plastic Quad Flat Package [MQFP]  
ADuC841BCPZ62-5 Tray 260   3 65 -40°C ~ 85°C 56-Lead Lead Frame Chip Scale Package [LFCSP]  
ADuC841BCPZ62-3 Tray 260   3 56 -40°C ~ 85°C 56-Lead Lead Frame Chip Scale Package [LFCSP]  
ADuC841BCPZ8-5 Tray 260   3 65 -40°C ~ 85°C 56-Lead Lead Frame Chip Scale Package [LFCSP]  
ADuC841BCPZ8-3 Tray 260   3 56 -40°C ~ 85°C 56-Lead Lead Frame Chip Scale Package [LFCSP]  
ADUC841BS62-3 Tray 96   3 52 -40°C ~ 85°C 52-Lead MQFP  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

ADuC841 Datasheet(PDF)

ADuC841 Datasheet(Picture)

ADuC841 Features

  • Pin compatible upgrade of ADuC812/ADuC831/ADuC832
    • Increased performance
      • Single-cycle 20 MIPS 8052 core
      • High speed 420 kSPS 12-bit ADC
    • Increased memory
      • Up to 62 kBytes on-chip Flash/EE program memory
      • 4 kBytes on-chip Flash/EE data memory
    • In-circuit reprogrammable
      • Flash/EE, 100 year retention, 100 kCycle endurance
      • 2304 bytes on-chip data RAM
    • Smaller package
      • 8 mm × 8 mm chip scale package
      • 52-lead PQFP—pin-compatible upgrade
  • Analog I/O
    • 8-channel, 420 kSPS high accuracy, 12-bit ADC
    • On-chip, 15 ppm/°C voltage reference
    • DMA controller, high speed ADC-to-RAM capture
    • Two 12-bit voltage output DACs
    • Dual output PWM Σ-Δ DACs
    • On-chip temperature monitor function
  • 8052 based core
    • 8051 compatible instruction set (20 MHz max)
  • High performance single-cycle core
    • 32 kHz external crystal, on-chip programmable PLL
    • 12 interrupt sources, 2 priority levels
    • Dual data pointers, extended 11-bit stack pointer
  • On-chip peripherals
    • Time interval counter (TIC)
    • UART, I2C®, and SPI® Serial I/O
    • Watchdog timer (WDT)
    • Power supply monitor (PSM)
  • Power
    • Normal: 4.5 mA @ 3 V (core CLK = 2.098 MHz)
  • Development tools
    • Low cost, comprehensive development system incorporating nonintrusive single-pin emulation,
    • IDE based assembly and C source debugging

ADuC841 Applications

  • Optical networking—laser power control
  • Base station systems
  • Precision instrumentation, smart sensors
  • Transient capture systems
  • DAS and communications systems

ADuC841 Description

The ADuC841 are complete smart transducer front ends, that integrates a high performance self-calibrating multichannel ADC, a dual DAC, and an optimized single-cycle 20 MHz 8-bit MCU (8051 instruction set compatible) on a single chip.

The ADuC841 and ADuC842 are identical with the exception of the clock oscillator circuit; the ADuC841 is clocked directly from an external crystal up to 20 MHz whereas the ADuC842 uses a 32 kHz crystal with an on-chip PLL generating a programmable core clock up to 16.78 MHz.

The microcontroller is an optimized 8052 core offering up to 20 MIPS peak performance. Three different memory options are available offering up to 62 kBytes of nonvolatile Flash/EE program memory. Four kBytes of nonvolatile Flash/EE data memory, 256 bytes RAM, and 2 kBytes of extended RAM are also integrated on-chip.

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