Overview
The MAX1228ACEP, produced by Analog Devices Inc./Maxim Integrated, is a 12-bit analog-to-digital converter (ADC) that features a range of advanced functionalities. This device is part of the MAX1226/MAX1228/MAX1230 family, which are serial 12-bit ADCs with internal reference and temperature sensor. The MAX1228 specifically offers 12 input channels, configurable for single-ended or differential inputs in unipolar or bipolar mode. It operates from a single +5V supply and includes a 10MHz SPI/QSPI/MICROWIRE-compatible serial port.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Sampling Rate | Up to 300ksps |
| Input Channels | 12 (single-ended or differential) |
| Supply Voltage | +5V |
| Operating Temperature Range | -40°C to +85°C |
| Package Type | 20-pin QSOP |
| Interface | 10MHz SPI/QSPI/MICROWIRE-compatible |
| Internal Reference | 4.096V |
| Power Consumption | 2.3mA at 300ksps |
Key Features
- Internal temperature sensor with ±0.7°C accuracy
- 16-entry first-in/first-out (FIFO)
- Analog multiplexer with true differential track/hold
- Scan mode, internal averaging, and internal clock
- Low-power single +5V operation
- Internal 4.096V reference or external differential reference
- 10MHz 3-wire SPI/QSPI/MICROWIRE-compatible interface
- Space-saving 20-pin QSOP package
Applications
- System supervision
- Data-acquisition systems
- Industrial control systems
- Patient monitoring
- Data logging
- Instrumentation
Q & A
- What is the resolution of the MAX1228ACEP?
The MAX1228ACEP has a 12-bit resolution.
- How many input channels does the MAX1228ACEP have?
The MAX1228ACEP has 12 input channels, which can be configured as single-ended or differential inputs.
- What is the maximum sampling rate of the MAX1228ACEP?
The maximum sampling rate is up to 300ksps using an external clock.
- What is the operating supply voltage of the MAX1228ACEP?
The device operates from a single +5V supply.
- What is the operating temperature range of the MAX1228ACEP?
The device operates over the extended temperature range of -40°C to +85°C.
- Does the MAX1228ACEP have an internal temperature sensor?
Yes, it features an internal temperature sensor with ±0.7°C accuracy.
- What type of interface does the MAX1228ACEP use?
The device uses a 10MHz SPI/QSPI/MICROWIRE-compatible serial interface.
- What is the power consumption of the MAX1228ACEP at 300ksps?
The power consumption is 2.3mA at 300ksps.
- What package type is the MAX1228ACEP available in?
The device is available in a 20-pin QSOP package.
- Does the MAX1228ACEP support internal averaging and scan mode?
Yes, it supports both internal averaging and scan mode.
