Overview
The MAX1290AEEI+ is a low-power, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1290/MAX1292 series, known for its high performance, low power consumption, and compact design. It operates with a single +5V analog supply and features a VLOGIC pin that allows it to interface directly with a +2.7V to +5.5V digital supply. The MAX1290AEEI+ is ideal for applications requiring high dynamic performance, low power, and ease of use, making it suitable for battery-powered and data-acquisition systems.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12-bit |
| Sampling Rate | Up to 400ksps |
| Analog Supply Voltage | +5V |
| Digital Supply Voltage | +2.7V to +5.5V |
| Internal Reference Voltage | +2.5V |
| Power Consumption | 10mW at 400ksps |
| Power-Down Current | Under 10µA |
| Wake-Up Time | 2µs |
| Analog Input Configuration | 8-channel single-ended / 4-channel pseudo-differential |
| Interface | Byte-wide parallel (8 + 4) |
| Package Type | 28-pin QSOP |
Key Features
- Successive-approximation ADC architecture
- Automatic power-down and fast wake-up (2µs)
- On-chip clock and internal +2.5V reference
- Software-configurable analog inputs for unipolar/bipolar and single-ended/pseudo-differential operation
- Low current consumption: 2.5mA at 400ksps, 1.0mA at 100ksps, 400µA at 10ksps, and 2µA in shutdown mode
- High-speed byte-wide parallel interface
- Small footprint in a 28-pin QSOP package
Applications
The MAX1290AEEI+ is well-suited for a variety of applications, including battery-powered systems, data-acquisition systems, and other circuits with demanding power consumption and space requirements. Its low power and high dynamic performance make it ideal for use in portable devices, medical equipment, and industrial control systems.
Q & A
- What is the resolution of the MAX1290AEEI+ ADC?
The MAX1290AEEI+ has a 12-bit resolution. - What is the maximum sampling rate of the MAX1290AEEI+?
The maximum sampling rate is up to 400ksps. - What is the analog supply voltage for the MAX1290AEEI+?
The analog supply voltage is +5V. - What is the range of the digital supply voltage for the MAX1290AEEI+?
The digital supply voltage range is +2.7V to +5.5V. - What is the internal reference voltage of the MAX1290AEEI+?
The internal reference voltage is +2.5V. - How much power does the MAX1290AEEI+ consume at 400ksps?
The power consumption is 10mW at 400ksps. - What is the wake-up time from power-down mode?
The wake-up time is 2µs. - What types of analog input configurations are available on the MAX1290AEEI+?
The device supports software-configurable analog inputs for unipolar/bipolar and single-ended/pseudo-differential operation. - What is the interface type of the MAX1290AEEI+?
The interface is a byte-wide parallel (8 + 4). - In what package type is the MAX1290AEEI+ available?
The device is available in a 28-pin QSOP package.
