Overview
The MAX144ACUA+ is a low-power, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is available in an 8-pin µMAX package and is designed for applications requiring high dynamic performance, low power consumption, and compact size. The MAX144 operates with a single supply voltage ranging from +2.7V to +5.25V, making it suitable for battery-powered and data-acquisition systems.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12-bit |
| Number of Channels | 2 (single-ended) |
| Supply Voltage | +2.7V to +5.25V |
| Sampling Rate | Up to 108ksps |
| Conversion Time | 7.4µs (successive-approximation ADC) |
| Power Consumption | 3.2mW (VDD = +3.6V, 108ksps), 0.2µA (power-down mode) |
| Interface | SPI, QSPI, MICROWIRE-compatible 3-wire serial interface |
| Package Type | 8-pin µMAX |
Key Features
- Single-supply operation (+2.7V to +5.25V)
- Two single-ended channels (MAX144)
- Low power consumption: 3.2mW at 108ksps, 0.2µA in power-down mode
- Internal track/hold and on-chip clock
- Fast wake-up time (2.5µs)
- High-speed, 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE
- Space-saving 8-pin µMAX package
- Automatic power-down and fast wake-up capabilities
Applications
The MAX144ACUA+ is ideal for various applications that require low power consumption and high dynamic performance. These include:
- Battery-powered systems
- Data-acquisition applications
- Circuits with demanding power-consumption and space requirements
Q & A
- What is the resolution of the MAX144ACUA+ ADC?
The MAX144ACUA+ has a 12-bit resolution.
- How many channels does the MAX144ACUA+ support?
The MAX144ACUA+ supports two single-ended channels.
- What is the supply voltage range for the MAX144ACUA+?
The supply voltage range is +2.7V to +5.25V.
- What is the maximum sampling rate of the MAX144ACUA+?
The maximum sampling rate is up to 108ksps.
- What is the power consumption of the MAX144ACUA+ at maximum sampling rate?
The power consumption is 3.2mW at VDD = +3.6V and 108ksps.
- What is the power consumption in power-down mode?
The power consumption in power-down mode is 0.2µA.
- What type of interface does the MAX144ACUA+ use?
The MAX144ACUA+ uses a SPI, QSPI, and MICROWIRE-compatible 3-wire serial interface.
- What is the package type of the MAX144ACUA+?
The package type is an 8-pin µMAX.
- What are some typical applications for the MAX144ACUA+?
Typical applications include battery-powered systems, data-acquisition applications, and circuits with demanding power-consumption and space requirements.
- How long does it take for the MAX144ACUA+ to wake up from power-down mode?
The wake-up time from power-down mode is 2.5µs.
