Overview
The MAX149BCPP is a low-power, 12-bit analog-to-digital converter (ADC) designed for high-performance data acquisition and battery-powered applications. It is part of the MAX149 series from Analog Devices Inc./Maxim Integrated, known for its compact package and efficient power consumption.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12-bit | |
| Sampling Rate | Up to 108ksps | |
| Supply Voltage | +2.7V to +5.25V | V |
| Power Consumption (108ksps, +3V Supply) | 0.9mA | mA |
| Power Consumption (10ksps, +3V Supply) | 100µA | µA |
| Power Consumption (1ksps, +3V Supply) | 10µA | µA |
| Power-Down Mode | 0.2µA | µA |
| Operating Temperature Range | 0°C to +70°C (C grade), -40°C to +85°C (E grade), -55°C to +125°C (M grade) | °C |
| Package Type | 8-pin µMAX, DIP |
Key Features
- Single-supply operation (+2.7V to +5.25V)
- Two single-ended channels (MAX144) or one pseudo-differential channel (MAX145)
- Internal track/hold circuit
- SPI/QSPI/MICROWIRE-compatible 3-wire serial interface
- Space-saving 8-pin µMAX package
- Pin-compatible 10-bit versions available
Applications
The MAX149BCPP is ideal for battery-powered and data-acquisition applications, as well as other circuits with demanding power-consumption and space requirements. It is commonly used in medical devices, industrial control systems, and portable electronics.
Q & A
- What is the resolution of the MAX149BCPP ADC?
The MAX149BCPP has a 12-bit resolution. - What is the maximum sampling rate of the MAX149BCPP?
The maximum sampling rate is up to 108ksps. - What is the supply voltage range for the MAX149BCPP?
The supply voltage range is +2.7V to +5.25V. - How much power does the MAX149BCPP consume at 108ksps and a 3V supply?
The power consumption is 0.9mA at 108ksps and a 3V supply. - What is the power consumption in power-down mode?
The power consumption in power-down mode is 0.2µA. - What types of packages are available for the MAX149BCPP?
The MAX149BCPP is available in 8-pin µMAX and DIP packages. - What is the operating temperature range for the MAX149BCPP?
The operating temperature range varies by grade: 0°C to +70°C (C grade), -40°C to +85°C (E grade), and -55°C to +125°C (M grade). - Does the MAX149BCPP have an internal track/hold circuit?
Yes, the MAX149BCPP has an internal track/hold circuit. - What type of serial interface does the MAX149BCPP support?
The MAX149BCPP supports SPI/QSPI/MICROWIRE-compatible 3-wire serial interface. - Are there pin-compatible 10-bit versions available?
Yes, pin-compatible 10-bit versions are available.
