OP196 datasheet(8/88 Pages) AD

8 / 88 page

ADuC841/ADuC842/ADuC843

Rev. 0 | Page 8 of 88

ABSOLUTE MAXIMUM RATINGS

Table 2. TA = 25°C, unless otherwise noted

Parameter

Rating

AVDD to DVDD

–0.3 V to +0.3 V

AGND to DGND

–0.3 V to +0.3 V

DVDD to DGND, AVDD to AGND

–0.3 V to +7 V

Digital Input Voltage to DGND

–0.3 V to DVDD + 0.3 V

Digital Output Voltage to DGND

–0.3 V to DVDD + 0.3 V

VREF to AGND

–0.3 V to AVDD + 0.3 V

Analog Inputs to AGND

–0.3 V to AVDD + 0.3 V

Operating Temperature Range,

Industrial

ADuC841BS,ADuC842BS,ADuC843BS

ADuC841BCP, ADuC842BCP,

ADuC843BCP

–40°C to +85°C

Storage Temperature Range

–65°C to +150°C

Junction Temperature

150°C

θJA Thermal Impedance (ADuC84xBS)

90°C/W

θJA Thermal Impedance (ADuC84xBCP)

52°C/W

Lead Temperature, Soldering

Vapor Phase (60 sec)

Infrared (15 sec)

215°C

220°C

Stresses above those listed under Absolute Maximum Ratings

may cause permanent damage to the device. This is a stress

rating only and functional operation of the device at these or

any other conditions above those indicated in the operational

section of this specification is not implied. Exposure to absolute

maximum rating conditions for extended periods may affect

device reliability.

ESD CAUTION

ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the

human body and test equipment and can discharge without detection. Although this product features

proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy

electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance

degradation or loss of functionality.

WATCHDOG

TIMER

256 BYTES USER

RAM

POWER SUPPLY

MONITOR

TEMP

SENSOR

BAND GAP

REFERENCE

POR

ADuC841/ADuC842/ADuC843

ADC

CONTROL

AND

CALIBRATION

DAC1

DAC

CONTROL

12-BIT

VOLTAGE

OUTPUT DAC

T2EX

INT0

INT1

4 kBYTES DATA

FLASH/EE

62 kBYTES PROGRAM

FLASH/EE INCLUDING

USER DOWNLOAD

MODE

ASYNCHRONOUS

SERIAL PORT

(UART)

8052

MCU

CORE

DOWNLOADER

DEBUGGER

SYNCHRONOUS

SERIAL INTERFACE

(I2C AND SPI )

16-BIT

COUNTER

TIMERS

TIME INTERVAL

COUNTER

(WAKE-UP CCT)

OSC

2 kBYTES USER XRAM

× DATA POINTERS

11-BIT STACK POINTER

12-BIT

VOLTAGE

OUTPUT DAC

MUX

...

12-BIT

ADC

ADC0

ADC1

ADC6

ADC7

DAC0

MUX

16-BIT

Σ -∆ DAC

PWM0

PWM1

16-BIT

PWM

16-BIT

PWM

CONTROL

16-BIT

Σ -∆ DAC

T/H

CREF

BUF

UART

TIMER

PLL

Figure 2. ADuC Block Diagram (Shaded Areas are Features Not Present on the ADuC812),

No DACs on ADuC843, PLL on ADuC842/ADuC843 Only.

OP196 Datasheet(PDF) 8 Page - Analog Devices

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