Overview
The ADUC7128BSTZ126-RL is a precision analog microcontroller produced by Analog Devices Inc. This device integrates a 16-bit/32-bit ARM7TDMI RISC microcontroller with a 12-bit analog-to-digital converter (ADC) and a direct digital synthesis (DDS) digital-to-analog converter (DAC). It is packaged in a 64-lead LQFP and operates over a temperature range of -40°C to +125°C. The microcontroller is designed for applications requiring high precision analog and digital signal processing, making it suitable for various industrial, medical, and communication systems.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Microcontroller Core | ARM7TDMI RISC | - | 16-bit/32-bit, up to 41 MIPS peak performance |
| Flash/EE Memory | 126 kB | - | Nonvolatile, 10,000 cycles endurance, 20 years data retention at 85°C |
| ADC Specifications | 12-bit, 1 MSPS | - | Up to 14 single-ended or differential inputs, 0 to VREF input range |
| DAC Specifications | DDS DAC | - | Differential line driver output, voltage swing 0.33 × VREF ± 0.2 × VREF |
| Internal Reference | 2.5 V | - | Accuracy ±2.5 mV at 25°C, temperature coefficient ±40 ppm/°C |
| Power Supply | 3.3 V | - | Operating voltage, power supply rejection ratio 80 dB |
| Package | 64-Lead LQFP | - | - |
| Operating Temperature | -40°C to +125°C | - | - |
Key Features
- Analog I/O: Multichannel 12-bit ADC with up to 14 single-ended or differential inputs, and a DDS DAC with differential line driver output.
- Microcontroller Core: 16-bit/32-bit ARM7TDMI RISC core with up to 41 MIPS peak performance.
- Memory: 126 kB nonvolatile Flash/EE memory with 10,000 cycles endurance and 20 years data retention at 85°C.
- Internal Reference: Low drift band gap reference with 2.5 V output, accuracy ±2.5 mV at 25°C, and temperature coefficient ±40 ppm/°C.
- Clock Generation: On-chip oscillator and PLL generating an internal high frequency clock of 41.78 MHz.
- Power Management: Power supply rejection ratio of 80 dB and power-on time of 1 ms.
Applications
The ADUC7128BSTZ126-RL is suitable for a wide range of applications, including:
- Industrial Automation: For precise control and monitoring in industrial environments.
- Medical Devices: For applications requiring high precision analog and digital signal processing, such as medical diagnostics and monitoring systems.
- Communication Systems: For signal processing and control in communication equipment).
- Embedded Systems: For general-purpose embedded systems requiring integrated analog and digital capabilities).
Q & A
- What is the microcontroller core of the ADUC7128BSTZ126-RL?
The microcontroller core is a 16-bit/32-bit ARM7TDMI RISC core with up to 41 MIPS peak performance).
- How many ADC channels does the ADUC7128BSTZ126-RL have?
The device has up to 14 single-ended or differential ADC channels).
- What is the resolution of the ADC?
The ADC has a 12-bit resolution).
- What is the internal reference voltage of the ADUC7128BSTZ126-RL?
The internal reference voltage is 2.5 V with an accuracy of ±2.5 mV at 25°C).
- What is the operating temperature range of the ADUC7128BSTZ126-RL?
The operating temperature range is -40°C to +125°C).
- What type of package does the ADUC7128BSTZ126-RL come in?
The device is packaged in a 64-Lead LQFP).
- What is the power supply voltage for the ADUC7128BSTZ126-RL?
The power supply voltage is 3.3 V).
- What is the endurance of the Flash/EE memory?
The Flash/EE memory has an endurance of 10,000 cycles and data retention of 20 years at 85°C).
- What are some typical applications for the ADUC7128BSTZ126-RL?
Typical applications include industrial automation, medical devices, communication systems, and general-purpose embedded systems).
- Does the ADUC7128BSTZ126-RL have a watchdog timer?
Yes, the device includes a watchdog timer with a timeout period ranging from 0 ms to 512 seconds).
