Overview
The MAX1295BEEI+ is a 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1295/MAX1297 series, known for its low power consumption, high-speed operation, and compact design. The MAX1295BEEI+ features a successive-approximation ADC architecture, an internal +2.5V reference, and a high-speed 12-bit parallel interface. It is particularly suited for applications requiring high dynamic performance, low power consumption, and small package size, making it ideal for battery-powered and data-acquisition systems.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12-bit |
| Sampling Rate | 265 ksps |
| Integral Nonlinearity (INL) | ±0.5 LSB |
| Operating Supply Voltage | 2.7V to 3.6V |
| Power Consumption | 5.4 mW at maximum sampling rate |
| Power-Down Modes | Two software-selectable modes |
| Operating Temperature | -40°C to 85°C |
| Package Type | 28-pin QSOP |
| Analog Input Channels | 6 channels (single-ended), 3 channels (pseudo-differential) |
Key Features
- Low power consumption: 5.4 mW at maximum sampling rate and below 10 µA in power-down modes.
- High-speed 12-bit parallel interface.
- Internal +2.5V reference.
- Software-configurable analog inputs for unipolar/bipolar and single-ended/pseudo-differential operation.
- Automatic power-down and fast wake-up (2 µs).
- On-chip clock.
- Compact 28-pin QSOP package.
Applications
The MAX1295BEEI+ is ideal for various applications that require high dynamic performance, low power consumption, and small package size. These include:
- Battery-powered systems.
- Data-acquisition systems.
- Portable medical devices.
- Industrial control systems.
- Automotive systems.
Q & A
- What is the resolution of the MAX1295BEEI+ ADC?
The MAX1295BEEI+ has a 12-bit resolution. - What is the maximum sampling rate of the MAX1295BEEI+?
The maximum sampling rate is 265 ksps. - What is the operating supply voltage range for the MAX1295BEEI+?
The operating supply voltage range is from 2.7V to 3.6V. - How many analog input channels does the MAX1295BEEI+ have?
The MAX1295BEEI+ has 6 single-ended channels or 3 pseudo-differential channels. - What are the power-down modes available on the MAX1295BEEI+?
There are two software-selectable power-down modes. - What is the typical power consumption of the MAX1295BEEI+ at maximum sampling rate?
The typical power consumption is 5.4 mW at the maximum sampling rate. - What is the package type of the MAX1295BEEI+?
The package type is a 28-pin QSOP. - What is the operating temperature range for the MAX1295BEEI+?
The operating temperature range is from -40°C to 85°C. - Does the MAX1295BEEI+ have an internal reference voltage?
Yes, it has an internal +2.5V reference voltage. - How quickly can the MAX1295BEEI+ wake up from power-down mode?
The wake-up time from power-down mode is 2 µs.
