Overview
The MAX1265ACEI+ is a low-power, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device features a successive-approximation ADC architecture, which is known for its high accuracy and efficiency. The MAX1265ACEI+ is designed to operate with a single +2.7V to +3.6V analog supply, making it suitable for a variety of applications where power consumption is a critical factor.
The device includes automatic power-down and fast wake-up capabilities, with a wake-up time of just 2µs. This feature, along with its low power consumption of 5.4mW at the maximum sampling rate of 265ksps, makes it ideal for battery-powered and data-acquisition systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 12-bit | |
| Sampling Rate | 265ksps | |
| Analog Supply Voltage | +2.7V to +3.6V | V |
| Power Consumption | 5.4mW (at 265ksps) | mW |
| Wake-Up Time | 2µs | µs |
| Internal Reference Voltage | +2.5V | V |
| Input Channels (Single-Ended) | 6 (MAX1265) | |
| Package Type | 28-Pin QSOP | |
| Operating Temperature Range | 0°C to +70°C | °C |
Key Features
- Successive-Approximation ADC: High accuracy and efficiency in analog-to-digital conversion.
- Automatic Power-Down and Fast Wake-Up: Reduces power consumption between conversions with a fast wake-up time of 2µs.
- On-Chip Clock and Internal Reference: Includes a +2.5V internal reference and an on-chip clock for simplified system design.
- High-Speed 12-Bit Parallel Interface: Facilitates easy interface to standard microprocessors.
- Software-Configurable Analog Inputs: Supports unipolar/bipolar and single-ended/pseudo-differential operation.
- Low Power Consumption: Only 5.4mW at the maximum sampling rate, making it suitable for battery-powered applications.
- Small Footprint: Available in a 28-pin QSOP package, ideal for space-constrained designs.
Applications
The MAX1265ACEI+ is well-suited for various applications that require low power consumption and high accuracy in analog-to-digital conversion. These include:
- Battery-Powered Systems: Ideal for devices where power efficiency is crucial.
- Data-Acquisition Systems: Suitable for applications requiring precise and efficient data conversion.
- Medical Devices: Can be used in medical equipment where low power and high accuracy are essential.
- Industrial Automation: Useful in industrial settings where reliable and efficient data conversion is needed.
- Portable Electronics: Suitable for handheld devices and other portable electronics.
Q & A
- What is the resolution of the MAX1265ACEI+ ADC?
The MAX1265ACEI+ has a 12-bit resolution.
- What is the maximum sampling rate of the MAX1265ACEI+?
The maximum sampling rate is 265ksps.
- What is the operating voltage range for the MAX1265ACEI+?
The device operates with a single +2.7V to +3.6V analog supply.
- How much power does the MAX1265ACEI+ consume at its maximum sampling rate?
The power consumption is 5.4mW at the maximum sampling rate of 265ksps.
- What is the wake-up time for the MAX1265ACEI+ from power-down mode?
The wake-up time is 2µs.
- Does the MAX1265ACEI+ have an internal reference voltage?
Yes, it includes a +2.5V internal reference voltage.
- How many input channels does the MAX1265ACEI+ have in single-ended mode?
The MAX1265ACEI+ has six input channels in single-ended mode.
- What type of package is the MAX1265ACEI+ available in?
The device is available in a 28-pin QSOP package.
- What is the operating temperature range for the MAX1265ACEI+?
The operating temperature range is 0°C to +70°C.
- Can the MAX1265ACEI+ be configured for pseudo-differential operation?
Yes, the device supports software-configurable analog inputs for pseudo-differential operation.
