Overview
The MAX148AEAP+ is a 10-bit data-acquisition system produced by Analog Devices Inc./Maxim Integrated. This integrated circuit combines an 8-channel multiplexer, high-bandwidth track/hold circuitry, and a serial interface, making it suitable for a variety of applications requiring high conversion speed and low power consumption. The device operates from a single supply voltage ranging from +2.7V to +5.25V and supports both unipolar and bipolar input configurations.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Number of Channels | Single-ended/Differential | 8/4 channels |
| Resolution | 10 bits | |
| Conversion Rate | Up to 133 kSPS | |
| Supply Voltage | +2.7V to +5.25V | |
| Operating Temperature Range | -40°C to +85°C | |
| Interface Type | 4-Wire (SPI, Microwire, QSPI, TMS320) | |
| Power Consumption | 1.2mA (133kSPS, 3V supply), 54μA (1kSPS, 3V supply), 1μA (Power-Down Mode) | |
| Package | 20-Pin SSOP |
Key Features
- 8-channel single-ended or 4-channel differential inputs
- Single-supply operation: +2.7V to +5.25V
- Internal 2.5V reference (for MAX149)
- Low power consumption: 1.2mA (133kSPS, 3V supply), 54μA (1kSPS, 3V supply), 1μA (Power-Down Mode)
- SPI/QSPI/MICROWIRE/TMS320-compatible 4-wire serial interface
- Software-configurable unipolar or bipolar inputs
- High conversion speed and low noise
Applications
- Battery-powered instruments
- Data acquisition systems
- Medical instruments
- Pen digitizers
- Portable data logging devices
- Process control systems
Q & A
- What is the resolution of the MAX148AEAP+?
The MAX148AEAP+ has a resolution of 10 bits.
- What is the operating supply voltage range for the MAX148AEAP+?
The device operates from a single supply voltage ranging from +2.7V to +5.25V.
- How many channels does the MAX148AEAP+ support?
The MAX148AEAP+ supports 8 single-ended or 4 differential channels.
- What is the maximum conversion rate of the MAX148AEAP+?
The maximum conversion rate is up to 133 kSPS.
- What types of interfaces does the MAX148AEAP+ support?
The device supports SPI, QSPI, MICROWIRE, and TMS320-compatible 4-wire serial interfaces.
- What are the power consumption modes of the MAX148AEAP+?
The device has power consumption modes of 1.2mA (133kSPS, 3V supply), 54μA (1kSPS, 3V supply), and 1μA (Power-Down Mode).
- What is the operating temperature range for the MAX148AEAP+?
The operating temperature range is -40°C to +85°C.
- What package type is the MAX148AEAP+ available in?
The device is available in a 20-Pin SSOP package.
- Is the MAX148AEAP+ RoHS compliant?
- What are some common applications of the MAX148AEAP+?
