ADUC848
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ADUC848

MicroConverter® Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU

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Part Details
Part Models 11
1ku List Price Starting From $6.72
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
  • See data sheet for additional features
Additional Details
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The ADuC845, ADuC847, and 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 ADuC845, ADuC847, and 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 ADuC845 includes two (primary and auxiliary) 24-bit Σ-Δ ADCs with internal buffering and PGA on the primary ADC. The ADuC847 includes the same primary ADC as the ADuC845 (auxiliary ADC removed). The ADuC848 is a 16-bit ADC version of the ADuC847.

The ADCs incorporate flexible input multiplexing, a temperature sensor (ADuC845 only), and 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 ADuC845, ADuC847, and ADuC848 are supported by the QuickStart™ development system featuring low cost software and hardware development tools.

Applications

  • Multichannel sensor monitoring
  • Industrial/environmental instrumentation
  • Weigh scales, pressure sensors, temperature monitoring
  • Portable instrumentation, battery-powered systems
  • Data logging, precision system monitoring
Part Models 11
1ku List Price Starting From $6.72

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Documentation

Documentation

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Product Lifecycle

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Apr 1, 2015

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Jan 5, 2009

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Certification of STATSChipPAC Shanghai, China and AMKOR Philippines as additional sources for Assembly & Test of QFP Packages

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Filter by Model

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Part Models

Product Lifecycle

PCN

Apr 1, 2015

- 15_0024

arrow down

Conversion of 8x8mm and 9x9mm LFCSP Package Outlines from Punch to Sawn and Transfer of Assembly Site to Amkor Philippines

ADUC848BCPZ62-3

PRODUCTION

ADUC848BCPZ62-5

PRODUCTION

ADUC848BCPZ8-3

PRODUCTION

ADUC848BCPZ8-5

PRODUCTION

Oct 18, 2016

- 16_0034

arrow down

Assembly Relocation of Select LQFP,LQFP_EP,MQFP,TQFP,TQFP_EP Products to Stats ChipPAC China Jiangyin

ADUC848BSZ32-3

PRODUCTION

ADUC848BSZ32-5

PRODUCTION

ADUC848BSZ62-3

PRODUCTION

ADUC848BSZ62-5

PRODUCTION

ADUC848BSZ8-3

PRODUCTION

ADUC848BSZ8-5

PRODUCTION

Aug 19, 2009

- 07_0024

arrow down

Package Material Changes for SOT23, MiniSO, MQFP, PDIP, PLCC, SOIC (narrow and wide body), SSOP, TSSOP and TSSOP exposed pad

ADUC848BSZ32-3

PRODUCTION

ADUC848BSZ32-5

PRODUCTION

ADUC848BSZ62-3

PRODUCTION

ADUC848BSZ62-5

PRODUCTION

ADUC848BSZ8-3

PRODUCTION

ADUC848BSZ8-5

PRODUCTION

Jan 5, 2009

- 07_0077

arrow down

Certification of STATSChipPAC Shanghai, China and AMKOR Philippines as additional sources for Assembly & Test of QFP Packages

ADUC848BSZ32-3

PRODUCTION

ADUC848BSZ32-5

PRODUCTION

ADUC848BSZ62-3

PRODUCTION

ADUC848BSZ62-5

PRODUCTION

ADUC848BSZ8-3

PRODUCTION

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PRODUCTION

Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 1

EVAL-ADUC847

ADuC847 QuickStart Development System

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EVAL-ADUC847

ADuC847 QuickStart Development System

ADuC847 QuickStart Development System

Product Detail

Development system for evaluation of the ADuC847, 10-Channel 24-Bit ADC + 12 MIPS Flash MCU. This development system is also recommended for evaluation of ADuC848, 10-Channel 16-Bit ADC + 12 MIPS Flash MCU.

The QuickStart Kits for the ADuC8x-series (8052-core) Precision Analog Microcontrollers feature serial-port download/debug capability and an assembly-source debugging environment.

  ADI also provides a non-intrusive emulation POD called the USB-EA-CONVZ allowing assembly & C-source debugging.

It can be ordered separately.
Tools & Simulations

Tools & Simulations 1

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