Overview
The MAX1297ACEG+T 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 its high performance, low power consumption, and compact design. The MAX1297 is particularly suited for applications requiring high accuracy and efficiency, such as data acquisition systems, industrial controls, and patient monitoring.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12-bit | |
| Linearity | ±0.5 LSB | |
| Supply Voltage | +2.7V to +3.6V | V |
| Internal Reference | +2.5V | V |
| Sampling Rate | 265ksps | samples per second |
| Power Consumption (at 265ksps) | 5.4mW | mW |
| Power-Down Current | <2µA | µA |
| Input Channels (Single-Ended/Pseudo-Differential) | 2/1 | |
| Operating Temperature Range | -40°C to +85°C | °C |
| Package Type | 24-Pin QSOP |
Key Features
- Successive-approximation ADC with an input track/hold (T/H) stage
- Software-configurable analog input multiplexer for unipolar/bipolar and single-ended/pseudo-differential operation
- Internal +2.5V reference and on-chip clock
- High-speed 12-bit parallel interface
- Automatic power-down and fast wake-up (2µs)
- Low current consumption: 1.9mA at 265ksps, 2µA in shutdown mode
- Internal 3MHz full-power bandwidth track/hold
- Small footprint in a 24-pin QSOP package
Applications
- Data Acquisition Systems
- Data Logging
- Energy Management
- Industrial Control Systems
- Patient Monitoring
- Touch Screens
Q & A
- What is the resolution of the MAX1297 ADC?
The MAX1297 has a 12-bit resolution.
- What is the operating supply voltage range for the MAX1297?
The MAX1297 operates with a single supply voltage ranging from +2.7V to +3.6V.
- How many input channels does the MAX1297 have in single-ended mode?
The MAX1297 has two input channels in single-ended mode.
- What is the maximum sampling rate of the MAX1297?
The MAX1297 has a maximum sampling rate of 265ksps.
- What is the power consumption of the MAX1297 at its maximum sampling rate?
The power consumption is 5.4mW at 265ksps.
- Does the MAX1297 have an internal clock and reference?
Yes, the MAX1297 features an on-chip clock and a +2.5V internal reference.
- What are the power-down modes available for the MAX1297?
The MAX1297 has two software-selectable power-down modes that can reduce supply current below 10µA at lower sampling rates.
- What is the wake-up time from power-down mode?
The wake-up time from power-down mode is 2µs.
- What type of interface does the MAX1297 use for data output?
The MAX1297 uses a high-speed 12-bit parallel interface for data output.
- In what package type is the MAX1297 available?
The MAX1297 is available in a 24-pin QSOP package.
