Overview
The MAX1231BETI+ 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 temperature sensing, an internal reference, and a first-in/first-out (FIFO) buffer. The MAX1231BETI+ is designed for high-performance data acquisition and is suitable for a variety of applications requiring precise analog-to-digital conversion.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12-bit | |
| Sampling Rate | Up to 300ksps | |
| Input Channels | 16 (single-ended or differential) | |
| Supply Voltage | +2.7V to +3.6V | V |
| Temperature Range | -40°C to +85°C | °C |
| Package Types | 28-pin TQFN with exposed pad, 24-pin QSOP | |
| Serial Interface | 10MHz SPI/QSPI/MICROWIRE compatible | |
| Signal-to-Noise Plus Distortion (SINAD) | 71 dB | dB |
| Total Harmonic Distortion (THD) | -80 dBc | dBc |
| Spurious-Free Dynamic Range (SFDR) | 81 dBc | dBc |
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 clock mode and internal averaging
- AutoShutdown™ feature for low power consumption
- Configurable for single-ended or differential inputs in unipolar or bipolar mode
- 10MHz SPI/QSPI/MICROWIRE compatible serial interface
Applications
The MAX1231BETI+ is suitable for various applications including temperature control, process control, and monitoring. It is also used in data acquisition systems, industrial automation, and medical devices where precise analog-to-digital conversion is required.
Q & A
- What is the resolution of the MAX1231BETI+ ADC?
The MAX1231BETI+ has a 12-bit resolution. - What is the maximum sampling rate of the MAX1231BETI+?
The maximum sampling rate is up to 300ksps using an external clock. - How many input channels does the MAX1231BETI+ have?
The MAX1231BETI+ has 16 input channels, which can be configured as single-ended or differential inputs. - What is the operating supply voltage range for the MAX1231BETI+?
The operating supply voltage range is +2.7V to +3.6V. - What are the package options for the MAX1231BETI+?
The MAX1231BETI+ is available in 28-pin TQFN with exposed pad and 24-pin QSOP packages. - What is the temperature accuracy of the internal temperature sensor?
The internal temperature sensor has an accuracy of ±0.7°C. - Does the MAX1231BETI+ support SPI, QSPI, or MICROWIRE interfaces?
Yes, it supports 10MHz SPI/QSPI/MICROWIRE compatible serial interfaces. - What is the SINAD (Signal-to-Noise Plus Distortion) of the MAX1231BETI+?
The SINAD is 71 dB. - What are some typical applications of the MAX1231BETI+?
Typical applications include temperature control, process control, monitoring, data acquisition systems, industrial automation, and medical devices. - Does the MAX1231BETI+ have an AutoShutdown feature?
Yes, it features AutoShutdown™ for low power consumption.
