Overview
The MAX1231BEEG+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 internal reference, internal temperature sensor, and an on-chip FIFO. It supports multiple input channels and various data acquisition configurations, making it suitable for a range of applications including temperature control, process control, and monitoring.
Key Specifications
| Parameter | Description |
|---|---|
| Number of Channels | 16 single-ended or 8 differential channels |
| Sampling Rate | 300 kS/s (kilosamples per second) |
| Input Type | Differential and Single-Ended |
| Interface Type | SPI (Serial Peripheral Interface) |
| Supply Voltage | +2.7V to +3.6V |
| Operating Temperature Range | -40°C to +85°C |
| Package Type | 28-pin 5mm x 5mm TQFN with exposed pad, 24-pin QSOP |
| Full-Power Bandwidth | -3dB point at 1 MHz |
| Signal-to-Noise Plus Distortion (SINAD) | 71 dB |
| Total Harmonic Distortion (THD) | Up to the 5th harmonic -80 dBc |
Key Features
- On-chip FIFO for data storage
- Scan mode and internal clock mode for flexible operation
- Internal averaging and AutoShutdown™ for power management
- Internal track and hold (T/H) circuitry supporting single-ended and fully differential inputs
- 3-wire SPI-/QSPI-/MICROWIRE-compatible serial interface for easy microprocessor control
- Internal temperature sensor for temperature monitoring
Applications
The MAX1231BEEG+T is designed for various applications including temperature control, process control, and monitoring. Its multichannel capability and internal temperature sensor make it particularly useful in industrial automation, medical devices, and environmental monitoring systems.
Q & A
- What is the maximum sampling rate of the MAX1231BEEG+T? The maximum sampling rate is 300 kS/s (kilosamples per second) using an external clock.
- How many input channels does the MAX1231BEEG+T have? It has 16 single-ended or 8 differential input channels.
- What type of interface does the MAX1231BEEG+T use? It uses a 3-wire SPI-/QSPI-/MICROWIRE-compatible serial interface.
- What is the operating temperature range of the MAX1231BEEG+T? The operating temperature range is -40°C to +85°C.
- Does the MAX1231BEEG+T have an internal temperature sensor? Yes, it has an internal temperature sensor.
- What are the package options for the MAX1231BEEG+T? It is available in 28-pin 5mm x 5mm TQFN with exposed pad and 24-pin QSOP packages.
- What is the full-power bandwidth of the MAX1231BEEG+T? The full-power bandwidth is up to the -3dB point at 1 MHz.
- What is the signal-to-noise plus distortion (SINAD) of the MAX1231BEEG+T? The SINAD is 71 dB.
- Does the MAX1231BEEG+T support internal averaging and AutoShutdown™? Yes, it supports internal averaging and AutoShutdown™ for power management.
- What is the supply voltage range for the MAX1231BEEG+T? The supply voltage range is +2.7V to +3.6V.
