Overview
The MAX144BCPA+ 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 and is available in an 8-pin PDIP package. It operates on a single supply voltage ranging from +2.7V to +5.25V, making it suitable for a variety of applications, especially those requiring low power consumption and compact design.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Number of Channels | 2 (single-ended) |
| Supply Voltage | +2.7V to +5.25V |
| Sampling Rate | Up to 108ksps |
| Conversion Time | 7.4µs (successive approximation) |
| Power Consumption | 3.2mW (VDD = +3.6V, 108ksps), 0.2µA (power-down mode) |
| Interface | 3-wire serial interface (SPI, QSPI, MICROWIRE-compatible) |
| Package Type | 8-pin PDIP |
| Wake-Up Time | 2.5µs |
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
- High-speed, 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE
- Space-saving 8-pin PDIP package
- Automatic power-down and fast wake-up (2.5µs)
Applications
The MAX144BCPA+ is ideal for battery-powered devices, data-acquisition systems, and other applications where low power consumption and compact design are critical. It is also suitable for circuits with demanding power and space requirements.
Q & A
- What is the resolution of the MAX144BCPA+ ADC?
The MAX144BCPA+ has a resolution of 12 bits. - How many channels does the MAX144BCPA+ support?
The MAX144BCPA+ supports two single-ended channels. - What is the supply voltage range for the MAX144BCPA+?
The supply voltage range is from +2.7V to +5.25V. - What is the maximum sampling rate of the MAX144BCPA+?
The maximum sampling rate is up to 108ksps. - What is the power consumption of the MAX144BCPA+ at maximum sampling rate?
The power consumption is 3.2mW at VDD = +3.6V and 108ksps. - What interface does the MAX144BCPA+ use for data communication?
The MAX144BCPA+ uses a 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE. - What is the package type of the MAX144BCPA+?
The package type is an 8-pin PDIP. - How long does it take for the MAX144BCPA+ to wake up from power-down mode?
The wake-up time is 2.5µs. - Is the MAX144BCPA+ suitable for battery-powered devices?
Yes, the MAX144BCPA+ is suitable for battery-powered devices due to its low power consumption. - What are some typical applications of the MAX144BCPA+?
Typical applications include data-acquisition systems and circuits with demanding power and space requirements.
