Overview
The MAX157BEUA+T is a low-power, 2-channel, 10-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX157 series and is known for its high performance, low power consumption, and compact package size. It operates with a single supply voltage ranging from +2.7V to +5.25V, making it suitable for a variety of battery-powered and data acquisition applications.
Key Specifications
| Parameter | Value |
|---|---|
| Operating Supply Voltage | +2.7V to +5.25V |
| Resolution | 10-bit |
| Number of Channels | 2 (single-ended) |
| Sampling Rate | Up to 108ksps |
| Conversion Time | 7.4µs (successive-approximation ADC) |
| Power Consumption | 3.2mW at VDD = +3.6V, 0.2µA in automatic shutdown |
| Wake-Up Time | 2.5µs |
| Interface | High-speed, 3-wire serial interface (SPI, QSPI, MICROWIRE compatible) |
| Package | 8-pin µMAX, 8-TSSOP, 8-MSOP |
| Operating Temperature | -40°C to +85°C |
Key Features
- Low power consumption with automatic power-down and fast wake-up capabilities.
- High-speed, 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE.
- On-chip clock and high dynamic performance.
- Compact package size in 8-pin µMAX, 8-TSSOP, and 8-MSOP.
- Single-ended input operation with input signals ranging from 0 to VREF.
Applications
The MAX157BEUA+T is ideal for battery-powered devices and data acquisition systems due to its low power consumption and high performance. It is suitable for applications such as:
- Battery-powered devices.
- Data acquisition systems.
- Portable electronics like PDAs, cell phones, and digital cameras.
- Hand-held instruments and other space-constrained circuits with demanding power requirements.
Q & A
- What is the operating supply voltage range of the MAX157BEUA+T?
The operating supply voltage range is +2.7V to +5.25V.
- What is the resolution of the MAX157BEUA+T ADC?
The resolution is 10-bit.
- How many channels does the MAX157BEUA+T support?
The device supports 2 single-ended channels.
- What is the maximum sampling rate of the MAX157BEUA+T?
The maximum sampling rate is up to 108ksps.
- What is the conversion time of the MAX157BEUA+T?
The conversion time is 7.4µs using a successive-approximation ADC.
- How much power does the MAX157BEUA+T consume at maximum sampling rate?
The power consumption is 3.2mW at VDD = +3.6V.
- What is the wake-up time of the MAX157BEUA+T?
The wake-up time is 2.5µs.
- What type of interface does the MAX157BEUA+T use?
The device uses a high-speed, 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE.
- In what packages is the MAX157BEUA+T available?
The device is available in 8-pin µMAX, 8-TSSOP, and 8-MSOP packages.
- What is the operating temperature range of the MAX157BEUA+T?
The operating temperature range is -40°C to +85°C.
