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ADUC848 Datasheet

ADUC848 Datasheet

MicroConverter® Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU
Part No.: ADUC848
Page: 109 Pages
Size: 984 KB
Manufacturer: Analog Devices, Inc.
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Update Time: 2025-02-10 21:28:39
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ADUC848 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
ADuC848BSZ62-5 Tray 96 ADuC848BSZ62-5 3 52 -40°C ~ 125°C 52-Lead MQFP  
ADuC848BSZ62-3 Tray 96 ADuC848BSZ62-3 3 52 -40°C ~ 125°C 52-Lead MQFP  
ADuC848BSZ32-5 Tray 96 ADuC848BSZ32-5 3 52 -40°C ~ 125°C 52-Lead MQFP  
ADuC848BSZ32-3 Tray 96   3 52 -40°C ~ 125°C 52-Lead MQFP  
ADuC848BSZ8-5 Reel 96 ADuC848BSZ8-5 3 52 -40°C ~ 125°C 52-Lead MQFP  
ADuC848BSZ8-3 Tray 96   3 52 -40°C ~ 125°C 52-Lead MQFP  
ADuC848BCPZ62-5 Tray 260   3 56 -40°C ~ 85°C 56-Lead LFCSP  
ADuC848BCPZ62-3 Tray 260   3 56 -40°C ~ 85°C 56-Lead LFCSP  
ADuC848BCPZ8-5 Tray 260   3 56 -40°C ~ 85°C 56-Lead LFCSP  
ADuC848BCPZ8-3 Tray 260   3 56 -40°C ~ 85°C 56-Lead LFCSP  
ADUC848BCPZ8-3-RL7 Reel 750   3 56 -40°C ~ 85°C 56-Lead LFCSP  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

ADUC848 Datasheet(PDF)

ADUC848 Datasheet(Picture)

ADUC848 Features

  • High resolution Σ-Δ ADCs
  • 2 independent 24-bit ADCs on the ADuC845
  • Single 16-bit ADC
  • Up to 10 ADC input channels on all devices
  • 24-bit no missing codes
  • 22-bit rms (19.5 bit p-p) effective resolution
  • Offset drift 10 nV/°C, gain drift 0.5 ppm/°C chop enabled
  • Memory
    • 62-kbyte on-chip Flash/EE program memory
    • 4-kbyte on-chip Flash/EE data memory
    • Flash/EE, 100-year retention, 100 kcycle endurance
    • 3 levels of Flash/EE program memory security
    • In-circuit serial download (no external hardware)
    • High speed user download (5 sec)
    • 2304 bytes on-chip data RAM

ADUC848 Applications

  • Multichannel sensor monitoring
  • Industrial/environmental instrumentation
  • Weigh scales, pressure sensors, temperature monitoring
  • Portable instrumentation, battery-powered systems
  • Data logging, precision system monitoring

ADUC848 Description

The ADuC848 are single-cycle, 12.58 MIPs, 8052 core upgrades to the ADuC834 and ADuC836. They include additional analog inputs for applications requiring more ADC channels.

The ADuC848 are complete smart transducer front ends. The family integrates high resolution Σ-Δ ADCs with flexible, up to 10-channel, input multiplexing, a fast 8-bit MCU, and program and data Flash/EE memory on a single chip.

The ADuC848 is a 16-bit ADC version of the ADuC847.

The ADCs incorporate flexible input multiplexing, a PGA (primary ADC only) allowing direct measurement of low-level signals. The ADCs include on-chip digital filtering and programmable output data rates that are intended for measuring wide dynamic range and low frequency signals, such as those in weigh scale, strain gage, pressure transducer, or temperature measurement applications.

The devices operate from a 32 kHz crystal with an on-chip PLL generating a high frequency clock of 12.58 MHz. This clock is routed through a programmable clock divider from which the MCU core clock operating frequency is generated. The microcontroller core is an optimized single-cycle 8052 offering up to 12.58 MIPs performance while maintaining 8051 instruction set compatibility.

The available nonvolatile Flash/EE program memory options are 62 kbytes, 32 kbytes, and 8 kbytes. 4 kbytes of nonvolatile Flash/EE data memory and 2304 bytes of data RAM are also provided on-chip. The program memory can be configured as data memory to give up to 60 kbytes of NV data memory in data logging applications.

On-chip factory firmware supports in-circuit serial download and debug modes (via UART), as well as single-pin emulation mode via the EA pin. The ADuC848 are supported by the QuickStart™ development system featuring low cost software and hardware development tools.

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