Overview
The MAX1231BCEG+T 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 features serial 12-bit ADCs with an internal reference and an internal temperature sensor. The MAX1231BCEG+T is designed for low-power, multichannel data acquisition and temperature sensing applications.
It operates from a +3V supply and includes a 10MHz SPI/QSPI/MICROWIRE-compatible serial port, making it easy to interface with microprocessors. The device is available in 28-pin 5mm x 5mm TQFN with exposed pad and 24-pin QSOP packages, and it is specified over an extended temperature range of -40°C to +85°C.
Key Specifications
| Parameter | Specification |
|---|---|
| Resolution | 12-bit |
| Sampling Rate | 300ksps (using an external clock) |
| Number of Input Channels | 16 (configurable for single-ended or differential inputs) |
| Input Type | Single-ended or differential in unipolar or bipolar mode |
| Supply Voltage | +3V |
| Interface Type | SPI/QSPI/MICROWIRE-compatible serial port |
| Temperature Range | -40°C to +85°C |
| Package Type | 28-pin 5mm x 5mm TQFN with exposed pad, 24-pin QSOP |
| Internal Features | Internal reference, internal temperature sensor, FIFO, scan mode, internal clock mode, internal averaging, AutoShutdown™ |
Key Features
- On-chip FIFO for efficient data handling
- Internal temperature sensor with ±0.7°C accuracy
- Internal reference for stable conversion
- Scan mode and internal clock mode for flexible operation
- Internal averaging and AutoShutdown™ for power management
- True differential track and hold (T/H) circuitry
- Configurable for single-ended or differential inputs in unipolar or bipolar mode
- 10MHz SPI/QSPI/MICROWIRE-compatible serial port for easy microprocessor interface
Applications
The MAX1231BCEG+T is suitable for a variety of applications, including:
- Temperature control and monitoring
- Process control and monitoring
- Industrial automation
- Medical devices requiring precise analog-to-digital conversion
- Data acquisition systems
Q & A
- What is the resolution of the MAX1231BCEG+T ADC?
The MAX1231BCEG+T has a 12-bit resolution.
- What is the maximum sampling rate of the MAX1231BCEG+T?
The maximum sampling rate is 300ksps using an external clock.
- How many input channels does the MAX1231BCEG+T have?
The MAX1231BCEG+T has 16 input channels, configurable for single-ended or differential inputs.
- What is the supply voltage for the MAX1231BCEG+T?
The device operates from a +3V supply.
- What type of interface does the MAX1231BCEG+T use?
The device uses a 10MHz SPI/QSPI/MICROWIRE-compatible serial port.
- What is the temperature range for the MAX1231BCEG+T?
The device is specified over an extended temperature range of -40°C to +85°C.
- What packages are available for the MAX1231BCEG+T?
The device is available in 28-pin 5mm x 5mm TQFN with exposed pad and 24-pin QSOP packages.
- Does the MAX1231BCEG+T have an internal temperature sensor?
Yes, the device includes an internal temperature sensor with ±0.7°C accuracy.
- What power management features does the MAX1231BCEG+T have?
The device features internal averaging and AutoShutdown™ for power management.
- What are some common applications for the MAX1231BCEG+T?
The device is commonly used in temperature control, process control, industrial automation, and medical devices.
