Overview
The MAX144BEUA+T is a low-power, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX144/MAX145 series, known for their high performance, low power consumption, and compact package size. The MAX144BEUA+T operates with a single supply voltage ranging from +2.7V to +5.25V and is available in an 8-pin µMAX package, making it ideal for battery-powered and data-acquisition applications where power and space are critical.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Sampling Rate | Up to 108ksps |
| Supply Voltage | +2.7V to +5.25V |
| Power Consumption | 0.9mA (108ksps, +3V Supply), 100µA (10ksps, +3V Supply), 10µA (1ksps, +3V Supply), 0.2µA (Power-Down Mode) |
| Input Channels | 2 single-ended channels |
| Interface | SPI/QSPI/MICROWIRE-compatible 3-wire serial interface |
| Package Type | 8-pin µMAX |
| Operating Temperature Range | -40°C to +85°C (MAX144BEUA+T) |
| Storage Temperature Range | -65°C to +150°C |
Key Features
- Single-supply operation (+2.7V to +5.25V)
- Low power consumption with automatic power-down and fast wake-up (2.5µs)
- On-chip track-and-hold (T/H) structure
- High-speed, 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE
- Space-saving 8-pin µMAX package
- Pin-compatible 10-bit versions available (MAX157 and MAX159)
Applications
The MAX144BEUA+T is well-suited for a variety of applications, including battery-powered devices, data-acquisition systems, and other circuits that require low power consumption and compact design. It is particularly useful in scenarios where high dynamic performance and ease of use are essential.
Q & A
- What is the resolution of the MAX144BEUA+T ADC?
The MAX144BEUA+T has a resolution of 12 bits. - What is the maximum sampling rate of the MAX144BEUA+T?
The maximum sampling rate is up to 108ksps. - What is the supply voltage range for the MAX144BEUA+T?
The supply voltage range is from +2.7V to +5.25V. - How many input channels does the MAX144BEUA+T have?
The MAX144BEUA+T has 2 single-ended input channels. - What type of interface does the MAX144BEUA+T use?
The MAX144BEUA+T uses a SPI/QSPI/MICROWIRE-compatible 3-wire serial interface. - What is the package type of the MAX144BEUA+T?
The package type is an 8-pin µMAX. - What is the operating temperature range for the MAX144BEUA+T?
The operating temperature range is -40°C to +85°C. - How does the MAX144BEUA+T manage power consumption?
The device features automatic power-down and fast wake-up, reducing power consumption significantly when not in use. - Is the MAX144BEUA+T suitable for battery-powered applications?
Yes, it is highly suitable due to its low power consumption and compact design. - Are there pin-compatible 10-bit versions available?
Yes, the MAX157 and MAX159 are pin-compatible 10-bit versions.
