MicroConverter MCU Microcontroller Unit 24bit 16bit Embedded 62KB ADuC847BSZ62-5

The MicroConverter MCU Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash microcontroller chip ADuC847BSZ62-5 offers high-performance analog-to-digital conversion with integrated microcontroller functionality.

• 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
• Up to 10 ADC input channels on all parts
• 24-bit no missing codes with 22-bit rms (19.5 bit p-p) effective resolution
• Excellent drift performance: 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 with 100-year retention and 100 kcycle endurance
• 3 levels of Flash/EE program memory security
• In-circuit serial download (no external hardware) with high speed user download (5 sec)
• 2304 bytes on-chip data RAM
• 8051-based core: 8051-compatible instruction set with high performance single-cycle core
• 32 kHz external crystal with on-chip programmable PLL (12.58 MHz max)
• 3 × 16-bit timer/counter
• 24 programmable I/O lines, plus 8 analog or digital input lines
• 11 interrupt sources with two priority levels
• Dual data pointer with extended 11-bit stack pointer
• On-chip peripherals: Internal power-on reset circuit, 12-bit voltage output DAC, 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 with high speed dedicated baud rate generator (including 115,200)
• Watchdog timer (WDT) and power supply monitor (PSM)

• 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

• 52-lead MQFP (14 mm × 14 mm), −40°C to +125°C
• 56-lead LFCSP (8 mm × 8 mm), −40°C to +85°C

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

Standard export packaging is provided. Customers can choose from cartons, wooden cases, and wooden pallets according to their specific requirements.