Overview
The MAX1090AEEI+T is a low-power, 10-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device features a successive-approximation ADC architecture and is designed for high-performance and low-power applications. It operates with a single +5V analog supply and supports a digital supply voltage range of +2.7V to +5.5V, making it versatile for various system configurations.
The MAX1090AEEI+T is available in a 28-pin QSOP package and is suitable for battery-powered and data-acquisition applications due to its excellent dynamic performance, low power consumption, and small package size.
Key Specifications
| Parameter | Value | Description |
|---|---|---|
| Resolution | 10-bit | Number of bits in the digital output |
| Sampling Rate | 400 kSPS | Maximum sampling rate per second |
| Analog Supply Voltage | +5V | Voltage required for analog operation |
| Digital Supply Voltage | +2.7V to +5.5V | Voltage range for digital interface |
| Input Type | Single-ended, Pseudo-differential | Types of analog input configurations supported |
| Number of Inputs | 8 (single-ended), 4 (pseudo-differential) | Number of analog input channels available |
| Data Interface | Parallel | Type of data interface used for communication |
| Internal Reference | +2.5V | Voltage of the internal reference used for conversion |
| Operating Temperature | -40°C to 85°C | Temperature range over which the device operates |
| Package | 28-pin QSOP | Type and pin count of the package |
| Power Consumption | 10mW (max at 400ksps) | Maximum power consumption at the highest sampling rate |
Key Features
- Low Power Consumption: The device consumes only 10mW at a 400ksps sampling rate and can be powered down to reduce current to under 10µA between conversions.
- High-Speed Parallel Interface: Supports a byte-wide parallel interface for fast data transfer.
- User-Adjustable Logic Level: Allows the device to interface directly with digital supplies ranging from +2.7V to +5.5V.
- Internal +2.5V Reference: Includes an on-chip +2.5V reference voltage for accurate conversions.
- Software-Selectable Power-Down Modes: Enables the device to be shut down between conversions to save power.
- Fast Wake-Up Time: Returns to normal operation in just 2µs after power-down.
- Configurable Analog Inputs: Supports both unipolar and bipolar, as well as single-ended and pseudo-differential input configurations.
Applications
- Battery-Powered Devices: Ideal for applications where low power consumption is critical.
- Data-Acquisition Systems: Suitable for systems requiring high-speed and accurate analog-to-digital conversions.
- Portable Electronics: Perfect for devices with stringent power and space requirements.
- Industrial Automation: Can be used in various industrial applications requiring precise and efficient data conversion.
Q & A
- What is the resolution of the MAX1090AEEI+T ADC?
The MAX1090AEEI+T has a 10-bit resolution.
- What is the maximum sampling rate of the MAX1090AEEI+T?
The maximum sampling rate is 400 kSPS.
- What are the supported input types for the MAX1090AEEI+T?
The device supports single-ended and pseudo-differential input configurations.
- How many analog input channels does the MAX1090AEEI+T have?
It has 8 single-ended or 4 pseudo-differential input channels.
- What is the operating temperature range of the MAX1090AEEI+T?
The device operates from -40°C to 85°C.
- What is the power consumption of the MAX1090AEEI+T at 400ksps?
The power consumption is 10mW at a 400ksps sampling rate.
- Does the MAX1090AEEI+T have an internal reference voltage?
Yes, it includes an on-chip +2.5V reference voltage.
- How quickly can the MAX1090AEEI+T wake up from power-down mode?
The device can wake up in just 2µs after power-down.
- What type of data interface does the MAX1090AEEI+T use?
The device uses a parallel data interface.
- Can the MAX1090AEEI+T be used in battery-powered devices?
Yes, it is ideal for battery-powered devices due to its low power consumption.
