Overview
The MAX1228BCEP+ 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, known for their high-performance and versatile features. The MAX1228BCEP+ operates from a single +5V supply and is designed for a wide range of applications requiring high accuracy and reliability.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12 bits |
| Sampling Rate | Up to 300 ksps |
| Number of Input Channels | 12 single-ended or 6 differential |
| Operating Supply Voltage | 4.75 V to 5.25 V |
| Integral Nonlinearity (INL) | ±1 LSB |
| Differential Nonlinearity (DNL) | ±1 LSB |
| Internal Reference | 4.096 V |
| Interface | 10 MHz SPI/QSPI/MICROWIRE-compatible |
| Package Type | 20-pin QSOP |
| Operating Temperature Range | -40°C to +85°C |
Key Features
- 12-bit resolution with ±1 LSB INL and DNL, and no missing codes over temperature.
- Up to 300 ksps sampling rate using an external clock.
- Internal temperature sensor with ±0.7°C accuracy.
- 16-entry first-in/first-out (FIFO) buffer.
- Analog multiplexer with true differential track/hold.
- Scan mode, internal averaging, and internal clock options.
- Low-power operation: 2.3 mA at 300 ksps.
- Internal 4.096 V reference or external differential reference.
- Space-saving 20-pin QSOP package.
Applications
- System supervision and monitoring.
- Data-acquisition systems.
- Industrial control systems.
- Patient monitoring and medical instruments.
- Data logging and instrumentation.
Q & A
- What is the resolution of the MAX1228BCEP+ ADC?
The MAX1228BCEP+ has a 12-bit resolution.
- What is the maximum sampling rate of the MAX1228BCEP+?
The maximum sampling rate is up to 300 ksps using an external clock.
- How many input channels does the MAX1228BCEP+ have?
The device has 12 single-ended or 6 differential input channels.
- What is the operating supply voltage range for the MAX1228BCEP+?
The operating supply voltage range is 4.75 V to 5.25 V.
- Does the MAX1228BCEP+ have an internal temperature sensor?
Yes, it includes an internal temperature sensor with ±0.7°C accuracy.
- What type of interface does the MAX1228BCEP+ use?
The device uses a 10 MHz SPI/QSPI/MICROWIRE-compatible interface.
- What is the package type of the MAX1228BCEP+?
The device is available in a 20-pin QSOP package.
- What is the operating temperature range for the MAX1228BCEP+?
The operating temperature range is -40°C to +85°C.
- Does the MAX1228BCEP+ support internal averaging and scan mode?
Yes, it supports scan mode, internal averaging, and internal clock options.
- What is the power consumption of the MAX1228BCEP+ at 300 ksps?
The power consumption is 2.3 mA at 300 ksps.
