Overview
The MAX1297BCEG is a low-power, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1295/MAX1297 family, known for their high performance, low power consumption, and compact design. The MAX1297BCEG operates with a single +2.7V to +3.6V analog supply, making it suitable for battery-powered and data-acquisition applications where power efficiency and space are critical.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12-bit |
| Linearity | ±0.5 LSB |
| Supply Voltage | +2.7V to +3.6V |
| Internal Reference | +2.5V |
| Analog Input Channels | 2 single-ended / 1 pseudo-differential |
| Sampling Rates | 265ksps, 100ksps, 10ksps |
| Power Consumption | 1.9mA (265ksps), 1.0mA (100ksps), 400µA (10ksps), 2µA (Shutdown) |
| Interface | Parallel 12-bit |
| Package | 24-pin QSOP |
| Operating Temperature | 0°C to 70°C |
Key Features
- 12-bit resolution with ±0.5 LSB linearity
- +3V single-supply operation
- Internal +2.5V reference
- Software-configurable analog input multiplexer
- Software-configurable unipolar/bipolar analog inputs
- Low current consumption: 1.9mA (265ksps), 1.0mA (100ksps), 400µA (10ksps), 2µA (Shutdown)
- Internal 3MHz full-power bandwidth track/hold
- Parallel 12-bit interface
- Small footprint in a 24-pin QSOP package
- Fast wake-up time of 2µs
- Automatic power-down and fast wake-up capabilities
Applications
- Data Acquisition Systems
- Data Logging
- Energy Management
- Industrial Control Systems
- Patient Monitoring
- Touch Screens
Q & A
- What is the resolution of the MAX1297BCEG ADC?
The MAX1297BCEG has a 12-bit resolution.
- What is the supply voltage range for the MAX1297BCEG?
The MAX1297BCEG operates with a single +2.7V to +3.6V analog supply.
- How many analog input channels does the MAX1297BCEG have?
The MAX1297BCEG has 2 single-ended or 1 pseudo-differential analog input channel.
- What are the sampling rates available for the MAX1297BCEG?
The MAX1297BCEG supports sampling rates of 265ksps, 100ksps, and 10ksps.
- What is the power consumption of the MAX1297BCEG at different sampling rates?
The power consumption is 1.9mA at 265ksps, 1.0mA at 100ksps, 400µA at 10ksps, and 2µA in shutdown mode.
- What type of interface does the MAX1297BCEG use?
The MAX1297BCEG uses a parallel 12-bit interface.
- In what package is the MAX1297BCEG available?
The MAX1297BCEG is available in a 24-pin QSOP package.
- What are the typical applications for the MAX1297BCEG?
The MAX1297BCEG is typically used in data acquisition systems, data logging, energy management, industrial control systems, patient monitoring, and touch screens.
- Does the MAX1297BCEG have an internal reference?
Yes, the MAX1297BCEG has an internal +2.5V reference.
- Can the analog inputs of the MAX1297BCEG be configured?
Yes, the analog inputs of the MAX1297BCEG are software-configurable for unipolar/bipolar and single-ended/pseudo-differential operation.
