Overview
The MAX1228BCEP+T is a 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1226/MAX1228/MAX1230 family, which features serial 12-bit ADCs with an internal reference and an internal temperature sensor. The MAX1228 is designed for low-power, multichannel data acquisition and is particularly suited for applications requiring temperature sensing and monitoring.
Key Specifications
| Parameter | Specification |
|---|---|
| Resolution | 12 bits |
| Sampling Rate | Up to 300ksps (using external clock) |
| Input Channels | 12 single-ended or 6 differential channels |
| Input Configuration | Single-ended or differential, unipolar or bipolar mode |
| Supply Voltage | +5V (analog and digital) |
| Operating Temperature | -40°C to +85°C |
| Package Type | 20-SSOP (0.154", 3.90mm Width), 20-QSOP |
| Interface | 10MHz SPI™/QSPI™/MICROWIRE™-compatible serial port |
| FIFO | 16-entry First-In/First-Out (FIFO) |
| Temperature Sensor Accuracy | ±0.7°C |
Key Features
- Internal temperature sensor with ±0.7°C accuracy
- 16-entry First-In/First-Out (FIFO) for data storage
- Analog multiplexer with true differential track and hold
- Internal reference and internal clock mode
- Scan mode and internal averaging capabilities
- AutoShutdown™ for power conservation
- 10MHz SPI™/QSPI™/MICROWIRE™-compatible serial interface
Applications
The MAX1228BCEP+T is suitable for various applications including:
- Temperature control and monitoring
- Process control and monitoring
- Data acquisition systems
- Industrial automation
- Medical devices requiring precise temperature and analog signal measurement
Q & A
- What is the resolution of the MAX1228BCEP+T ADC?
The MAX1228BCEP+T has a resolution of 12 bits.
- What is the maximum sampling rate of the MAX1228BCEP+T?
The maximum sampling rate is up to 300ksps using an external clock.
- How many input channels does the MAX1228BCEP+T have?
The MAX1228BCEP+T has 12 single-ended or 6 differential input channels.
- What is the operating temperature range of the MAX1228BCEP+T?
The operating temperature range is -40°C to +85°C.
- What type of interface does the MAX1228BCEP+T use?
The MAX1228BCEP+T uses a 10MHz SPI™/QSPI™/MICROWIRE™-compatible serial interface.
- Does the MAX1228BCEP+T have an internal temperature sensor?
Yes, the MAX1228BCEP+T has an internal temperature sensor with ±0.7°C accuracy.
- What is the purpose of the FIFO in the MAX1228BCEP+T?
The 16-entry FIFO is used for data storage to minimize microprocessor I/O requirements.
- Can the input channels be configured for different modes?
Yes, the input channels can be configured for single-ended or differential inputs in unipolar or bipolar mode.
- What is the supply voltage for the MAX1228BCEP+T?
The supply voltage is +5V for both analog and digital sections.
- What are some common applications of the MAX1228BCEP+T?
Common applications include temperature control, process control, data acquisition systems, industrial automation, and medical devices.
