Overview
The MAX1295BEEI+T is a low-power, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device utilizes a successive-approximation (SAR) conversion technique and an input track/hold (T/H) stage to convert analog input signals to digital outputs. It operates with a single +2.7V to +3.6V analog supply and features an internal +2.5V reference voltage. The MAX1295 is particularly noted for its high-speed operation, low power consumption, and software-configurable analog inputs, making it suitable for a variety of applications, including battery-powered and data-acquisition systems.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12-bit | |
| Sampling Rate | 265 ksps | |
| Analog Supply Voltage | 2.7V to 3.6V | V |
| Internal Reference Voltage | +2.5V | V |
| Power Consumption (at 265 ksps) | 5.4 mW | mW |
| Power-Down Current | < 10 µA | µA |
| Wake-Up Time | 2 µs | µs |
| Interface Type | Parallel 12-bit | |
| Package Type | 28-SSOP | |
| Operating Temperature | -40°C to 85°C | °C |
Key Features
- Successive-approximation ADC with internal track/hold stage
- Software-configurable analog inputs for unipolar/bipolar and single-ended/pseudo-differential operation
- Six input channels in single-ended mode (MAX1295)
- Internal +2.5V reference voltage
- High-speed 12-bit parallel interface
- Automatic power-down and fast wake-up (2 µs)
- Low power consumption with power-down modes reducing supply current below 10 µA
- Small footprint in 28-pin SSOP package
Applications
The MAX1295BEEI+T is ideal for various applications requiring low power consumption and high performance, such as:
- Battery-powered systems
- Data-acquisition systems
- Portable medical devices
- Industrial control systems
- Automotive systems
Q & A
- What is the resolution of the MAX1295BEEI+T ADC?
The MAX1295BEEI+T has a 12-bit resolution.
- What is the maximum sampling rate of the MAX1295BEEI+T?
The maximum sampling rate is 265 ksps.
- What is the operating voltage range for the MAX1295BEEI+T?
The operating voltage range is from +2.7V to +3.6V.
- What type of interface does the MAX1295BEEI+T use?
The MAX1295BEEI+T uses a high-speed 12-bit parallel interface.
- How many input channels does the MAX1295 have in single-ended mode?
The MAX1295 has six input channels in single-ended mode.
- What is the wake-up time from power-down mode?
The wake-up time is 2 µs.
- What is the typical power consumption at the maximum sampling rate?
The typical power consumption is 5.4 mW at 265 ksps.
- Can the MAX1295BEEI+T be configured for bipolar and unipolar input modes?
Yes, the MAX1295BEEI+T can be software-configured for both bipolar and unipolar input modes.
- What is the package type of the MAX1295BEEI+T?
The MAX1295BEEI+T is packaged in a 28-SSOP.
- What is the operating temperature range for the MAX1295BEEI+T?
The operating temperature range is from -40°C to 85°C.
