Overview
The ADUC832BSZ from Analog Devices Inc. is a comprehensive, smart transducer front end that integrates multiple advanced functionalities into a single chip. This device features a high-performance, self-calibrating multichannel 12-bit Analog-to-Digital Converter (ADC), dual 12-bit Digital-to-Analog Converters (DACs), and an 8052-compatible 8-bit microcontroller. The microcontroller operates at a maximum frequency of 16 MHz, generated from a 32 kHz external crystal using an on-chip Phase-Locked Loop (PLL). The ADUC832BSZ is designed to provide a robust solution for various applications requiring precise analog and digital signal processing.
Key Specifications
| Parameter | Specification |
|---|---|
| Microcontroller Core | 8052-compatible, 8-bit MCU |
| Maximum Clock Frequency | 16 MHz |
| ADC Channels | 8 channels, 12-bit, 247 kSPS |
| DACs | Dual 12-bit voltage output DACs |
| Memory | 62 kB Flash/EE program memory, 4 kB Flash/EE data memory, 2304 bytes data RAM |
| Peripherals | UART, I2C, SPI, Watchdog Timer, Power Supply Monitor, Time Interval Counter |
| Power Supply | 3 V and 5 V operation, Normal, Idle, and Power-Down modes |
| Package | 52-MQFP (10x10 mm) |
Key Features
- High-performance, self-calibrating 8-channel 12-bit ADC with ±1 LSB INL and 71 dB SNR.
- Dual 12-bit voltage output DACs and dual output PWM/Σ-Δ DACs.
- On-chip temperature sensor with ±3°C accuracy and on-chip voltage reference.
- 8052-compatible instruction set with 12 core clock periods per machine cycle.
- DMA controller for high-speed ADC-to-RAM capture.
- Serial I/O ports including UART, I2C, and SPI.
- Watchdog timer, power supply monitor, and time interval counter.
- Low power consumption with power-down mode at 25 μA @ 3 V.
Applications
- Optical networking—laser power control.
- Base station systems.
- Precision instrumentation and smart sensors.
- Transient capture systems.
- Data Acquisition Systems (DAS) and communications systems.
- Upgrade to ADuC812 systems.
Q & A
- What is the ADUC832BSZ?
The ADUC832BSZ is a smart transducer front end integrating a high-performance 12-bit ADC, dual 12-bit DACs, and an 8052-compatible 8-bit microcontroller.
- What is the maximum clock frequency of the ADUC832BSZ?
The maximum clock frequency is 16 MHz, generated from a 32 kHz external crystal using an on-chip PLL.
- How many ADC channels does the ADUC832BSZ have?
The ADUC832BSZ has 8 channels of 12-bit ADC.
- What types of DACs are included in the ADUC832BSZ?
The device includes dual 12-bit voltage output DACs and dual output PWM/Σ-Δ DACs.
- What is the memory configuration of the ADUC832BSZ?
The device has 62 kB Flash/EE program memory, 4 kB Flash/EE data memory, and 2304 bytes of data RAM.
- What serial communication interfaces are available on the ADUC832BSZ?
The device supports UART, I2C, and SPI serial communication interfaces.
- What are some of the key peripherals included in the ADUC832BSZ?
The device includes a watchdog timer, power supply monitor, and time interval counter.
- What are the power supply options for the ADUC832BSZ?
The device operates at 3 V and 5 V with normal, idle, and power-down modes.
- What is the typical power consumption in power-down mode?
The typical power consumption in power-down mode is 25 μA @ 3 V.
- What are some common applications of the ADUC832BSZ?
Common applications include optical networking, base station systems, precision instrumentation, transient capture systems, and DAS and communications systems.
