Overview
The MAX1268BCEG+ is a low-power, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1266/MAX1268 family, which features successive-approximation ADCs with automatic power-down and fast wake-up capabilities. The MAX1268BCEG+ operates with a single +5V analog supply and includes a high-speed 12-bit parallel interface. It is designed for applications requiring low power consumption, high dynamic performance, and ease of use.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Sampling Rate | Up to 420ksps |
| Analog Supply Voltage | +5V |
| Digital Supply Voltage | +1.8V to +5.5V |
| Internal Reference | +2.5V |
| Power Consumption | 10mW at 420ksps |
| Power-Down Modes | Two software-selectable modes, < 10µA at lower sampling rates |
| Analog Input Configuration | Single-ended or pseudo-differential |
| Number of Input Channels | 2 single-ended, 1 pseudo-differential |
| Package | 24-pin QSOP |
| Operating Temperature | 0°C to 70°C |
Key Features
- 12-bit resolution with ±0.5 LSB linearity
- Single +5V operation with internal +2.5V reference
- Software-configurable analog input multiplexer for unipolar/bipolar and single-ended/pseudo-differential operation
- Low power consumption: 10mW at 420ksps, < 10µA in power-down modes
- Fast wake-up time of 2µs
- High-speed 12-bit parallel interface
- Internal 6MHz full-power bandwidth track/hold
- Small footprint in 24-pin QSOP package
Applications
- Battery-powered devices
- Data-acquisition systems
- Portable medical devices
- Industrial control systems
- Automotive systems requiring low power and high dynamic performance
Q & A
- What is the resolution of the MAX1268BCEG+ ADC?
The MAX1268BCEG+ has a 12-bit resolution.
- What is the maximum sampling rate of the MAX1268BCEG+?
The maximum sampling rate is 420ksps.
- What is the analog supply voltage for the MAX1268BCEG+?
The analog supply voltage is +5V.
- Does the MAX1268BCEG+ have an internal reference voltage?
Yes, it has an internal +2.5V reference voltage.
- How many input channels does the MAX1268BCEG+ have?
In single-ended mode, it has 2 input channels, and in pseudo-differential mode, it has 1 input channel.
- What are the power-down modes available for the MAX1268BCEG+?
There are two software-selectable power-down modes that can reduce supply current to under 10µA at lower sampling rates.
- What is the operating temperature range for the MAX1268BCEG+?
The operating temperature range is 0°C to 70°C.
- What type of interface does the MAX1268BCEG+ use?
The MAX1268BCEG+ uses a high-speed 12-bit parallel interface.
- Is the MAX1268BCEG+ RoHS compliant?
Yes, the MAX1268BCEG+ is lead-free and RoHS compliant.
- What is the package type for the MAX1268BCEG+?
The MAX1268BCEG+ is available in a 24-pin QSOP package.
