Overview
The ADUC845BCPZ62-5 is a MicroConverter® IC produced by Analog Devices Inc. This device is part of the ADuC845 family, which integrates high-resolution Σ-Δ analog-to-digital converters (ADCs) with an embedded 8-bit microcontroller based on the 8052 core architecture. The ADUC845BCPZ62-5 is designed to serve as a complete smart transducer front end, making it ideal for applications requiring multiple analog input channels and high precision measurement capabilities.
Key Specifications
| Parameter | Value |
|---|---|
| Microcontroller Core | 8052, 8-bit, single-cycle |
| Maximum Clock Speed | 12.58 MHz |
| Flash Program Memory | 62 KB |
| Flash/EE Data Memory | 4 KB |
| Data RAM | 2304 bytes |
| ADC Resolution | 24-bit (primary and auxiliary) |
| DAC Resolution | 12-bit |
| Operating Supply Voltage | 2.7 V to 3.6 V (3V), 4.75 V to 5.25 V (5V) |
| Operating Temperature Range | -40°C to 85°C |
| Package Type | 56-Lead LFCSP (8mm x 8mm w/ EP) |
| Serial Interfaces | I2C, SPI, UART |
| Timers/Counters | 3 x 16-bit |
| Programmable I/O Lines | 24 |
| Interrupt Sources | 11 |
Key Features
- High-resolution Σ-Δ ADCs with up to 10 ADC input channels and 24-bit no missing codes resolution.
- Integrated temperature sensor (ADuC845 only).
- Programmable gain amplifier (PGA) on the primary ADC.
- On-chip digital filtering and programmable output data rates.
- Single-cycle 8052 microcontroller core with up to 12.58 MIPs performance.
- In-circuit serial download and debug modes via UART.
- Single-pin emulation mode via the EA pin.
- Dual 16-bit Σ-Δ DACs and a 12-bit voltage output DAC.
- 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.
- Watchdog timer (WDT) and power supply monitor (PSM).
Applications
- Multichannel sensor monitoring.
- Industrial and environmental instrumentation.
- Weigh scales, pressure sensors, and temperature monitoring.
- Portable instrumentation and battery-powered systems.
- Data logging and precision system monitoring.
Q & A
- What is the core architecture of the ADUC845BCPZ62-5?
The ADUC845BCPZ62-5 is based on the 8052 core architecture.
- What is the maximum clock speed of the ADUC845BCPZ62-5?
The maximum clock speed is 12.58 MHz.
- How much flash program memory does the ADUC845BCPZ62-5 have?
The device has 62 KB of flash program memory.
- What is the resolution of the ADCs in the ADUC845BCPZ62-5?
The ADCs have a 24-bit resolution.
- What is the operating temperature range of the ADUC845BCPZ62-5?
The operating temperature range is -40°C to 85°C.
- What types of serial interfaces does the ADUC845BCPZ62-5 support?
The device supports I2C, SPI, and UART serial interfaces.
- Does the ADUC845BCPZ62-5 have a built-in temperature sensor?
Yes, the ADUC845BCPZ62-5 includes a built-in temperature sensor.
- What is the package type of the ADUC845BCPZ62-5?
The package type is 56-Lead LFCSP (8mm x 8mm w/ EP).
- What are some typical applications of the ADUC845BCPZ62-5?
Typical applications include multichannel sensor monitoring, industrial and environmental instrumentation, weigh scales, pressure sensors, and temperature monitoring.
- Does the ADUC845BCPZ62-5 support in-circuit serial download and debug modes?
Yes, it supports in-circuit serial download and debug modes via UART.
