Overview
The MAX1090BCEI+ 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 and is designed for high-performance and low-power applications. It operates with a single +5V analog supply and includes an internal +2.5V reference, making it suitable for a variety of data-acquisition and battery-powered systems. The MAX1090BCEI+ is available in a 28-pin QSOP package and supports both single-ended and pseudo-differential input configurations.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 10 bits |
| Sampling Rate | Up to 400 kSPS |
| Number of Input Channels | 8 (single-ended), 4 (pseudo-differential) |
| Operating Supply Voltage | +2.7V to +5.5V, +5V typical |
| Integral Nonlinearity (INL) | ±0.5 LSB |
| Power Consumption | 10mW at 400ksps, <10µA in power-down mode |
| Package Type | 28-pin QSOP |
| Operating Temperature Range | 0°C to 70°C |
Key Features
- Successive-approximation ADC with high-speed, byte-wide parallel interface
- Internal +2.5V reference voltage
- User-adjustable logic level (+2.7V to +5.5V)
- Automatic power-down and fast wake-up (2µs)
- Software-selectable power-down modes to reduce power consumption
- Software-configurable analog inputs for unipolar/bipolar and single-ended/pseudo-differential operation
- Low power consumption: 10mW at 400ksps and <10µA in power-down mode
Applications
The MAX1090BCEI+ is ideal for various applications requiring high performance and low power consumption, such as:
- Battery-powered systems
- Data-acquisition systems
- Portable medical devices
- Industrial control systems
- Automotive systems
Q & A
- What is the resolution of the MAX1090BCEI+ ADC?
The MAX1090BCEI+ has a resolution of 10 bits. - What is the maximum sampling rate of the MAX1090BCEI+?
The maximum sampling rate is up to 400 kSPS. - How many input channels does the MAX1090BCEI+ support?
The device supports 8 single-ended input channels or 4 pseudo-differential input channels. - What is the operating supply voltage range for the MAX1090BCEI+?
The operating supply voltage range is +2.7V to +5.5V, with a typical voltage of +5V. - What is the power consumption of the MAX1090BCEI+ at 400ksps?
The power consumption is 10mW at 400ksps. - How does the MAX1090BCEI+ manage power consumption during idle periods?
The device features automatic power-down and software-selectable power-down modes, reducing supply current to under 10µA during idle periods. - What type of package is the MAX1090BCEI+ available in?
The MAX1090BCEI+ is available in a 28-pin QSOP package. - What is the operating temperature range for the MAX1090BCEI+?
The operating temperature range is 0°C to 70°C. - Does the MAX1090BCEI+ support both unipolar and bipolar input configurations?
Yes, the device supports both unipolar and bipolar input configurations through software configuration. - What is the purpose of the internal +2.5V reference voltage in the MAX1090BCEI+?
The internal +2.5V reference voltage provides a stable reference for the ADC, enhancing its accuracy and reliability.
