MicroConverter MCU Multichannel24-/16-Bit ADCs with Embedded 62
kBFlash microcontroller chip ADuC847BSZ62-5
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
Up to 10 ADC input channels on all parts
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
8051-based core
8051-compatible instruction set
High performance single-cycle core
32 kHz external crystal
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, two priority levels
Dual data pointer, 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
High speed dedicated baud rate generator (incl. 115,200)
Watchdog timer (WDT)
Power supply monitor (PSM)
Power
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:
52-lead MQFP (14 mm × 14 mm), −40°C to +125°C
56-lead LFCSP (8 mm × 8 mm), −40°C to +85°C
APPLICATIONS
Multichannel sensor monitoring
Industrial/environmental instrumentation
Weigh scales, pressure sensors, temperature monitoring
Portable instrumentation, battery-powered systems
Data logging, precision system monitoring
Packaging and transportation instructions
- According to the standard export packaging.
Customers can choose from cartons, wooden cases and wooden pallets
according to their own requirements.
Q&A
1. How to obtain the price?
We usually quote within 24 hours after receiving your inquiry
(except weekends and holidays). If you are in urgent need of a
price, please send us an email or contact us in any other way so
that we can provide you with a quotation.
2. What is your delivery time?
This depends on the quantity of the order and the season in which
you place the order. Usually, we can ship the goods within 7 to 15
days (for small batches), and for large batches, it takes about 30
days.
3. What are your payment terms?
Factory price, 30% deposit, 70%T/T payment before shipment.
4. What is the mode of transportation?
It can be transported by sea, air or express delivery (EMS, UPS,
DHL, TNT, FEDEX, etc.). Please confirm with us before placing an
order.
5. How do you help our business establish a long-term and good
relationship?
We maintain good quality and competitive prices to ensure that our
customers benefit.
2. We respect every customer as our friend. We do business with
them sincerely and make friends with them, no matter where they
come from.
