Overview
The MAX1226BCEE is a 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1226/MAX1228/MAX1230 family, which features internal reference, internal temperature sensor, and on-chip FIFO. The MAX1226BCEE specifically has 8 input channels, configurable for single-ended or differential inputs in unipolar or bipolar mode. It operates from a +5V supply and includes a 10MHz SPI/QSPI/MICROWIRE-compatible serial port. The device is available in a 24-pin QSOP package and is specified over the extended temperature range of -40°C to +85°C.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12 Bits | |
| Integral Nonlinearity (INL) | ±1.0 LSB | |
| Differential Nonlinearity (DNL) | No missing codes over temperature, ±1.0 LSB | |
| Offset Error | ±0.5 to ±4.0 LSB | |
| Gain Error | ±0.5 to ±4.0 LSB | |
| Sampling Rate | 300 ksps (using external clock) | |
| Input Channels | 8 channels (configurable for single-ended or differential inputs) | |
| Operating Supply Voltage | 4.75 V to 5.25 V | V |
| Operating Temperature Range | -40°C to +85°C | °C |
| Package Type | 24-pin QSOP |
Key Features
- Internal reference and internal temperature sensor
- On-chip FIFO, scan mode, internal clock mode, and internal averaging
- AutoShutdown™ feature for power management
- 10MHz SPI/QSPI/MICROWIRE-compatible serial port
- Configurable input channels for single-ended or differential inputs in unipolar or bipolar mode
- High accuracy with ±1.0 LSB INL and DNL, and ±0.5 to ±4.0 LSB offset and gain error
Applications
The MAX1226BCEE is suitable for various applications requiring high-precision analog-to-digital conversion, such as:
- Industrial control systems
- Medical devices
- Aerospace and defense systems
- Automotive systems
- Data acquisition systems
Q & A
- What is the resolution of the MAX1226BCEE ADC?
The MAX1226BCEE has a resolution of 12 bits.
- How many input channels does the MAX1226BCEE have?
The MAX1226BCEE has 8 input channels.
- What is the maximum sampling rate of the MAX1226BCEE?
The maximum sampling rate is 300 ksps using an external clock.
- What is the operating supply voltage range for the MAX1226BCEE?
The operating supply voltage range is 4.75 V to 5.25 V.
- What are the key features of the MAX1226BCEE?
The key features include an internal reference, internal temperature sensor, on-chip FIFO, scan mode, internal clock mode, internal averaging, and AutoShutdown™.
- What is the temperature range for the MAX1226BCEE?
The operating temperature range is -40°C to +85°C.
- What type of package is the MAX1226BCEE available in?
The MAX1226BCEE is available in a 24-pin QSOP package.
- What are some common applications for the MAX1226BCEE?
Common applications include industrial control systems, medical devices, aerospace and defense systems, automotive systems, and data acquisition systems.
- Does the MAX1226BCEE support differential and single-ended inputs?
Yes, the MAX1226BCEE supports both differential and single-ended inputs in unipolar or bipolar mode.
- What is the significance of the internal temperature sensor in the MAX1226BCEE?
The internal temperature sensor allows for temperature monitoring and compensation, enhancing the overall accuracy and reliability of the ADC.
