Overview
The MAX1227BEEE+ 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 a variety of configuration options for analog input channels. The MAX1227BEEE+ is designed for low-power, serial-output applications and supports both single-ended and differential inputs in unipolar or bipolar mode.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12-bit | |
| Sampling Rate | Up to 300ksps | |
| Supply Voltage | 2.7V to 3.6V | V |
| Operating Temperature | -40°C to +85°C | °C |
| Input Channels | 8 single-ended or 4 differential | |
| Signal-to-Noise Plus Distortion (SINAD) | 71 dB | dB |
| Total Harmonic Distortion (THD) | -80 dBc | dBc |
| Spurious-Free Dynamic Range (SFDR) | 81 dBc | dBc |
| Full-Power Bandwidth | 1 MHz | Hz |
| Package | 16-SSOP (0.154", 3.90mm) |
Key Features
- Internal temperature sensor with ±0.7°C accuracy
- 16-entry First-In/First-Out (FIFO)
- Analog multiplexer with true differential track and hold
- Scan mode, internal averaging, and internal clock
- Low-power operation: 2.3mA at 300ksps
- Internal 2.5V reference or external differential reference
- 10MHz 3-wire SPI/QSPI/MICROWIRE-compatible interface
- Space-saving 16-SSOP package
Applications
- Temperature control and monitoring
- Process control
- Data-acquisition systems
- Industrial control systems
- Patient monitoring
- Data logging and instrumentation
Q & A
- What is the resolution of the MAX1227BEEE+ ADC?
The MAX1227BEEE+ has a 12-bit resolution. - What is the maximum sampling rate of the MAX1227BEEE+?
The maximum sampling rate is up to 300ksps using an external clock. - What is the operating voltage range of the MAX1227BEEE+?
The device operates from a supply voltage of 2.7V to 3.6V. - How many input channels does the MAX1227BEEE+ have?
The MAX1227BEEE+ has 8 single-ended or 4 differential input channels. - What is the accuracy of the internal temperature sensor?
The internal temperature sensor has an accuracy of ±0.7°C. - What type of serial interface does the MAX1227BEEE+ support?
The device supports a 10MHz 3-wire SPI/QSPI/MICROWIRE-compatible interface. - What is the package type of the MAX1227BEEE+?
The device is available in a 16-SSOP package. - What are some typical applications of the MAX1227BEEE+?
Typical applications include temperature control, process control, data-acquisition systems, industrial control systems, patient monitoring, and data logging. - Does the MAX1227BEEE+ support both single-ended and differential inputs?
Yes, the device supports both single-ended and differential inputs in unipolar or bipolar mode. - What is the full-power bandwidth of the MAX1227BEEE+?
The full-power bandwidth is 1 MHz.
