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ADUC834BCP

更新时间： 2024-01-08 00:59:49
品牌 Logo 应用领域
亚德诺 - ADI 转换器闪存微控制器
页数 文件大小 规格书
80页 1439K
描述
MicroConverter, Dual 16-Bit/24- Bit ADCs with Embedded 62 kB Flash MCU

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ADUC834BCP 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：QFP
包装说明：QFP,针数：52
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.31.00.01风险等级：1.67
Samacsys Confidence：3Samacsys Status：Released
2D Presentation：https://componentsearchengine.com/2D/0T/2156.2.1.pngSchematic Symbol：https://componentsearchengine.com/symbol.php?partID=2156
PCB Footprint：https://componentsearchengine.com/footprint.php?partID=21563D View：https://componentsearchengine.com/viewer/3D.php?partID=2156
Samacsys PartID：2156Samacsys Image：https://componentsearchengine.com/Images/9/ADUC834BSZ.jpg
Samacsys Thumbnail Image：https://componentsearchengine.com/Thumbnails/2/ADUC834BSZ.jpgSamacsys Pin Count：52
Samacsys Part Category：Integrated CircuitSamacsys Package Category：Quad Flat Packages
Samacsys Footprint Name：S-52-2Samacsys Released Date：2015-04-16 09:48:08
Is Samacsys：N具有ADC：YES
其他特性：ALSO OPERATES AT 5V SUPPLY地址总线宽度：24
位大小：8最大时钟频率：12.58 MHz
DAC 通道：YESDMA 通道：NO
外部数据总线宽度：8JESD-30 代码：S-PQFP-G52
JESD-609代码：e3长度：10 mm
湿度敏感等级：3I/O 线路数量：32
端子数量：52最高工作温度：125 °C
最低工作温度：-40 °CPWM 通道：YES
封装主体材料：PLASTIC/EPOXY封装代码：QFP
封装形状：SQUARE封装形式：FLATPACK
峰值回流温度（摄氏度）：260认证状态：Not Qualified
ROM可编程性：FLASH座面最大高度：2.45 mm
速度：12.58 MHz最大供电电压：3.6 V
最小供电电压：2.7 V标称供电电压：3 V
表面贴装：YES技术：CMOS
温度等级：AUTOMOTIVE端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：0.65 mm
端子位置：QUAD处于峰值回流温度下的最长时间：40
宽度：10 mmuPs/uCs/外围集成电路类型：MICROCONTROLLER
Base Number Matches：1

ADUC834BCP 数据手册

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®
MicroConverter , Dual 16-Bit/24-Bit ꢀ-ꢁ  
a
ADCs with Embedded 62 kB Flash MCU  
ADuC834  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
High Resolution ꢀ-ꢁ ADCs  
AV  
DD  
2 Independent ADCs (16-Bit and 24-Bit Resolution)  
24-Bit No Missing Codes, Primary ADC  
21-Bit rms (18.5-Bit p-p) Effective Resolution @ 20 Hz  
Offset Drift 10 nV/ꢃC, Gain Drift 0.5 ppm/ꢃC  
Memory  
62 Kbytes On-Chip Flash/EE Program Memory  
4 Kbytes On-Chip Flash/EE Data Memory  
Flash/EE, 100 Year Retention, 100 Kcycles Endurance  
3 Levels of Flash/EE Program Memory Security  
In-Circuit Serial Download (No External Hardware)  
High Speed User Download (5 Seconds)  
2304 Bytes On-Chip Data RAM  
ADuC834  
AV  
DD  
IEXC1  
IEXC2  
CURRENT  
SOURCE  
AIN1  
AIN2  
PRIMARY  
24-BITꢀ-ꢁ ADC  
BUF  
PGA  
MUX  
MUX  
12-BIT  
DAC  
BUF  
DAC  
AIN3  
AIN4  
AIN5  
AGND  
DUAL  
16-BIT  
ꢀ-ꢁDAC  
AUXILIARY  
16-BITꢀ-ꢁ ADC  
PWM0  
PWM1  
MUX  
TEMP  
SENSOR  
DUAL  
16-BIT  
PWM  
EXTERNAL  
INTERNAL  
BAND GAP  
REFIN–  
REFIN+  
V
REF  
DETECT  
V
REF  
8051-BASED MCU WITH ADDITIONAL  
PERIPHERALS  
RESET  
62 KBYTES FLASH/EE PROGRAM MEMORY  
4 KBYTES FLASH/EE DATA MEMORY  
2304 BYTES USER RAM  
8051-Based Core  
8051 Compatible Instruction Set  
32 kHz External Crystal  
DV  
DD  
POR  
3 ꢂ 16 BIT TIMERS  
BAUDRATE TIMER  
POWER SUPPLY MON  
WATCHDOG TIMER  
DGND  
PLL AND PROG  
CLOCK DIV  
On-Chip Programmable PLL (12.58 MHz Max)  
3 ꢂ 16-Bit Timer/Counter  
UART, SPI, AND I2C  
SERIAL I/O  
4 ꢂ PARALLEL  
PORTS  
WAKE-UP/  
RTC TIMER  
OSC  
26 Programmable I/O Lines  
XTAL1 XTAL2  
11 Interrupt Sources, Two Priority Levels  
Dual Data Pointer, Extended 11-Bit Stack Pointer  
On-Chip Peripherals  
Internal Power on Reset Circuit  
12-Bit Voltage Output DAC  
GENERAL DESCRIPTION  
The ADuC834 is a complete smart transducer front end,  
integrating two high resolution ꢀ-ꢁ ADCs, an 8-bit MCU, and  
Dual 16-Bit ꢀ-ꢁ DACs/PWMs  
On-Chip Temperature Sensor  
program/data Flash/EE memory on a single chip.  
The two independent ADCs (primary and auxiliary) include a  
temperature sensor and a PGA (allowing direct measurement of  
low level signals). The ADCs with on-chip digital filtering and  
programmable output data rates are intended for the measurement  
of wide dynamic range, low frequency signals, such as those in  
weigh scale, strain-gage, pressure transducer, or temperature  
measurement applications.  
Dual Excitation Current Sources  
Time Interval Counter (Wake-Up/RTC Timer)  
UART, SPI®, and I2C® Serial I/O  
High Speed Baud Rate Generator (Including 115,200)  
Watchdog Timer (WDT)  
Power Supply Monitor (PSM)  
Power  
Normal: 2.3 mA Max @ 3.6 V (Core CLK = 1.57 MHz)  
Power-Down: 20 ꢄA Max with Wake-Up Timer Running  
Specified for 3 V and 5 V Operation  
Package and Temperature Range  
The device operates 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 8052 and therefore 8051 instruction set compatible  
with 12 core clock periods per machine cycle.  
52-Lead MQFP (14 mm  
56-Lead LFCSP (8 mm  
ꢂ
14 mm), –40  
ꢃC to +125ꢃC  
ꢂ
8 mm), –40 C to +85ꢃC  
ꢃ
62 Kbytes of nonvolatile Flash/EE program memory, 4 Kbytes of  
nonvolatile Flash/EE data memory, and 2304 bytes of data RAM  
are 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.  
APPLICATIONS  
Intelligent Sensors  
Weigh Scales  
Portable Instrumentation, Battery-Powered Systems  
4–20 mA Transmitters  
Data Logging  
Precision System Monitoring  
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 ADuC834 is supported by a QuickStart™  
development system featuring low cost software and hardware  
development tools.  
REV. A  
Information furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assumed by Analog Devices for its  
use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat  
may result from its use. 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 companies.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781/329-4700  
Fax: 781/326-8703  
www.analog.com  
© 2003 Analog Devices, Inc. All rights reserved.  
 
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