Overview
The MAX144AEPA 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 family and is known for its high performance and low power consumption. It is available in an 8-pin µMAX® and DIP packages, making it suitable for space-constrained and power-sensitive applications.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12-bit | |
| Supply Voltage | +2.7V to +5.25V | V |
| Sampling Rate | Up to 108ksps | sps |
| Power Consumption (at 108ksps, +3.6V) | 3.2mW | mW |
| Power Consumption (Power-Down Mode) | 0.2µA | µA |
| Operating Temperature Range | 0°C to +70°C (MAX144AEPA) | °C |
| Package Type | 8-pin µMAX®, DIP | |
| Interface | SPI, QSPI, MICROWIRE-compatible 3-wire serial interface |
Key Features
- Single-supply operation (+2.7V to +5.25V)
- Two single-ended channels (MAX144) or one pseudo-differential channel (MAX145)
- Low power consumption: 0.9mA at 108ksps, 100µA at 10ksps, 10µA at 1ksps, and 0.2µA in power-down mode
- Internal track/hold and on-chip clock
- Fast wake-up time of 2.5µs
- SPI, QSPI, and MICROWIRE-compatible 3-wire serial interface
- Space-saving 8-pin µMAX package
Applications
The MAX144AEPA is ideal for battery-powered devices, data-acquisition systems, and other applications where low power consumption and small package size are critical. It is particularly suited for use in portable medical devices, industrial control systems, and automotive electronics.
Q & A
- What is the resolution of the MAX144AEPA ADC?
The MAX144AEPA has a 12-bit resolution.
- What is the operating voltage range of the MAX144AEPA?
The device operates from a single supply voltage of +2.7V to +5.25V.
- What is the maximum sampling rate of the MAX144AEPA?
The maximum sampling rate is up to 108ksps.
- How much power does the MAX144AEPA consume at maximum sampling rate?
At the maximum sampling rate of 108ksps and a supply voltage of +3.6V, the power consumption is 3.2mW.
- What is the power consumption in power-down mode?
In power-down mode, the power consumption is 0.2µA.
- What types of packages are available for the MAX144AEPA?
The device is available in 8-pin µMAX® and DIP packages.
- What kind of interface does the MAX144AEPA use?
The device uses a SPI, QSPI, and MICROWIRE-compatible 3-wire serial interface.
- What are some typical applications for the MAX144AEPA?
Typical applications include battery-powered devices, data-acquisition systems, portable medical devices, industrial control systems, and automotive electronics.
- How long does it take for the MAX144AEPA to wake up from power-down mode?
The wake-up time from power-down mode is 2.5µs.
- Does the MAX144AEPA have internal clock and track/hold capabilities?
