Overview
The MAX1231ACEG+ is a 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1227/MAX1229/MAX1231 family, which are serial 12-bit ADCs featuring an internal reference and an internal temperature sensor. The MAX1231 is designed for high-performance data acquisition and monitoring applications, offering a range of advanced features such as an on-chip FIFO, scan mode, internal clock mode, internal averaging, and AutoShutdown™ to minimize power consumption.
Key Specifications
| Parameter | Specification |
|---|---|
| Resolution | 12 bits |
| Sampling Rate | Up to 300ksps (using external clock) |
| Number of Input Channels | 16 single-ended or 8 differential channels |
| Input Configuration | Single-ended or differential, unipolar or bipolar mode |
| Supply Voltage | +3V |
| Temperature Range | -40°C to +85°C |
| Package Options | 28-pin 5mm x 5mm TQFN with exposed pad, 24-pin QSOP |
| Serial Interface | 10MHz SPI™/QSPI™/MICROWIRE™-compatible serial port |
| Internal Temperature Sensor Accuracy | ±0.7°C |
| FIFO Capacity | 16 entries |
Key Features
- Internal temperature sensor with ±0.7°C accuracy
- 16-entry first-in/first-out (FIFO) buffer
- Analog multiplexer with true differential track and hold
- Internal reference and internal clock mode
- Scan mode and internal averaging capabilities
- AutoShutdown™ for low power consumption
- Configurable for single-ended or differential inputs in unipolar or bipolar mode
- 10MHz SPI™/QSPI™/MICROWIRE™-compatible serial port
Applications
The MAX1231ACEG+ is suitable for a variety of applications including temperature control, process control, and monitoring. It is particularly useful in environments requiring high accuracy and low power consumption, such as industrial automation, medical devices, and data acquisition systems.
Q & A
- What is the resolution of the MAX1231ACEG+ ADC?
The MAX1231ACEG+ has a 12-bit resolution.
- What is the maximum sampling rate of the MAX1231ACEG+?
The maximum sampling rate is up to 300ksps using an external clock.
- How many input channels does the MAX1231ACEG+ have?
The MAX1231ACEG+ has 16 single-ended or 8 differential input channels.
- What are the input configuration options for the MAX1231ACEG+?
The inputs can be configured for single-ended or differential operation in unipolar or bipolar mode.
- What is the supply voltage for the MAX1231ACEG+?
The supply voltage is +3V.
- What is the temperature range for the MAX1231ACEG+?
The device operates over an extended temperature range of -40°C to +85°C.
- What package options are available for the MAX1231ACEG+?
The device is available in 28-pin 5mm x 5mm TQFN with exposed pad and 24-pin QSOP packages.
- What type of serial interface does the MAX1231ACEG+ use?
The device uses a 10MHz SPI™/QSPI™/MICROWIRE™-compatible serial port.
- What is the accuracy of the internal temperature sensor in the MAX1231ACEG+?
The internal temperature sensor has an accuracy of ±0.7°C.
- What is the capacity of the FIFO buffer in the MAX1231ACEG+?
The FIFO buffer has a capacity of 16 entries.
