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ADuC847BSZ32-3 PDF预览

ADuC847BSZ32-3

更新时间: 2024-12-01 12:27:23
品牌 Logo 应用领域
亚德诺 - ADI 闪存
页数 文件大小 规格书
108页 1407K
描述
MicroConverter® Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU

ADuC847BSZ32-3 数据手册

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MicroConverter® Multichannel  
24-/16-Bit ADCs with Embedded 62 kB  
Flash and Single-Cycle MCU  
Data Sheet  
ADuC845/ADuC847/ADuC848  
Power  
FEATURES  
High resolution Σ-Δ ADCs  
2 independent 24-bit ADCs on the ADuC845  
Single 24-bit ADC on the ADuC847 and  
single 16-bit ADC on the ADuC848  
Normal: 4.8 mA max @ 3.6 V (core CLK = 1.57 MHz)  
Power-down: 20 µA max with wake-up timer running  
Specified for 3 V and 5 V operation  
Package and temperature range:  
Up to 10 ADC input channels on all parts  
24-bit no missing codes  
52-lead MQFP (14 mm × 14 mm), −40°C to +125°C  
56-lead LFCSP (8 mm × 8 mm), −40°C to +85°C  
22-bit rms (19.5 bit p-p) effective resolution  
Offset drift 10 nV/°C, gain drift 0.5 ppm/°C chop enabled  
APPLICATIONS  
Multichannel sensor monitoring  
Memory  
Industrial/environmental instrumentation  
Weigh scales, pressure sensors, temperature monitoring  
Portable instrumentation, battery-powered systems  
Data logging, precision system monitoring  
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)  
FUNCTIONAL BLOCK DIAGRAM  
AVDD  
2304 bytes on-chip data RAM  
ADuC845  
AVCO  
IEXC1  
IEXC2  
CURRENT  
SOURCE  
8051-based core  
AIN1  
8051-compatible instruction set  
High performance single-cycle core  
32 kHz external crystal  
PRIMARY  
24-BIT S-D ADC  
BUF  
PGA  
12-BIT  
DAC  
DAC  
BUF  
MUX  
AGND  
On-chip programmable PLL (12.58 MHz max)  
3 × 16-bit timer/counter  
AIN10  
DUAL 16-BIT  
S-D DAC  
PWM0  
PWM1  
AUXILIARY  
24-BIT S-D ADC  
AINCOM  
MUX  
TEMP  
SENSOR  
DUAL 16-BIT  
PWM  
24 programmable I/O lines, plus 8 analog or  
digital input lines  
REFIN2+  
REFIN2–  
11 interrupt sources, two priority levels  
Dual data pointer, extended 11-bit stack pointer  
REFIN–  
REFIN+  
EXTERNAL  
VREF  
DETECT  
INTERNAL  
BAND GAP  
VREF  
SINGLE-CYCLE 8061-BASED MCU  
RESET  
DVDD  
62 kBYTES FLASH/EE PROGRAM MEMORY  
4 kBYTES FLASH/EE DATA MEMORY  
2304 BYTES USER RAM  
POR  
On-chip peripherals  
Internal power-on reset circuit  
12-bit voltage output DAC  
DGND  
PLL AND PRG  
CLOCK DIV  
3 × 16 BIT TIMERS  
BAUD RATE TIMER  
POWER SUPPLY MON  
WATCHDOG TIMER  
WAKE-UP/  
RTC TIMER  
UART, SPI, AND I 2  
SERIAL I/O  
C
4 × PARALLEL  
PORTS  
OSC  
Dual 16-bit Σ-Δ DACs  
On-chip temperature sensor (ADuC845 only)  
Dual excitation current sources (200 µA)  
Time interval counter (wake-up/RTC timer)  
UART, SPI®, and I2C® serial I/O  
XTAL1 XTAL2  
Figure 1. ADuC845 Functional Block Diagram  
High speed dedicated baud rate generator (incl. 115,200)  
Watchdog timer (WDT)  
Power supply monitor (PSM)  
Rev. C  
Document Feedback  
Information furnished by Analog Devices is believed to be accurate and reliable. However, no  
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other  
rights of third parties that may result from its use. Specifications subject to change without notice. No  
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.  
Trademarks and registered trademarks are the property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700 ©2004–2012 Analog Devices, Inc. All rights reserved.  
Technical Support  
www.analog.com  

ADuC847BSZ32-3 替代型号

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