Overview
The MAX1068AEEG+T is a multichannel, 14-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1067/MAX1068 family, known for their low power consumption and high-performance capabilities. The MAX1068 features a successive-approximation ADC architecture, integrated with a +4.096V reference, a reference buffer, an internal oscillator, and automatic power-down functionality. It operates with a single +5V analog supply and has a separate digital supply, allowing direct interfacing with +2.7V to +5.5V digital logic.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 14-bit | |
| Integral Nonlinearity (INL) | ±0.5 LSB | |
| Differential Nonlinearity (DNL) | ±1 LSB (max) | |
| Analog Supply Voltage | +5V | |
| Digital Supply Voltage | +2.7V to +5.5V | |
| Input Voltage Range | 0 to VREF | |
| Reference Voltage | Internal (+4.096V) or External (+3.8V to AVDD) | |
| Sampling Rate | 200ksps | |
| Power Consumption | 3.6mA at 200ksps, 185µA at 10ksps, < 10µA in full power-down mode | |
| Interface | SPI/QSPI/MICROWIRE-compatible serial interface | |
| Package | 24-Pin QSOP |
Key Features
- 14-bit resolution with ±0.5 LSB INL and ±1 LSB DNL (max)
- +5V single-supply operation with adjustable logic level (+2.7V to +5.25V)
- Input voltage range: 0 to VREF
- Internal (+4.096V) or external reference voltage
- Internal track/hold with 4MHz input bandwidth
- Internal or external clock option
- SPI/QSPI/MICROWIRE-compatible serial interface
- 8-bit-wide or 16-bit-wide data-transfer mode (MAX1068 only)
- 4-channel (MAX1067) or 8-channel (MAX1068) input multiplexer with scan mode
- Low power consumption: 3.6mA at 200ksps, 185µA at 10ksps, < 10µA in full power-down mode
- Small package size: 24-Pin QSOP
Applications
The MAX1068AEEG+T is suitable for a variety of applications requiring high-resolution and low-power analog-to-digital conversion. These include:
- Data acquisition systems
- Medical imaging and diagnostics
- Industrial control and automation
- Aerospace and defense systems
- Test and measurement equipment
Q & A
- What is the resolution of the MAX1068AEEG+T ADC?
The MAX1068AEEG+T has a 14-bit resolution.
- What is the maximum differential nonlinearity (DNL) of the MAX1068AEEG+T?
The maximum DNL is ±1 LSB.
- What are the operating supply voltages for the MAX1068AEEG+T?
The device operates with a +5V analog supply and a separate digital supply ranging from +2.7V to +5.5V.
- What is the input voltage range for the MAX1068AEEG+T?
The input voltage range is from 0 to VREF.
- Does the MAX1068AEEG+T support internal or external clock options?
Yes, it supports both internal and external clock options.
- What type of serial interface does the MAX1068AEEG+T use?
The device uses an SPI/QSPI/MICROWIRE-compatible serial interface.
- How many channels does the MAX1068AEEG+T support?
The MAX1068AEEG+T supports up to 8 analog input channels.
- What is the power consumption of the MAX1068AEEG+T at different sampling rates?
The power consumption is 3.6mA at 200ksps, 185µA at 10ksps, and less than 10µA in full power-down mode.
- What is the package type of the MAX1068AEEG+T?
The device is packaged in a 24-Pin QSOP.
- What are some typical applications for the MAX1068AEEG+T?
Typical applications include data acquisition systems, medical imaging, industrial control, aerospace and defense systems, and test and measurement equipment.
