Overview
The MAX1401EAI+ is an 18-bit, low-power, multichannel, serial-output analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device utilizes a sigma-delta modulator with a digital decimation filter to achieve high accuracy. It operates from a single +3V supply and is designed for applications requiring high resolution and low power consumption. The MAX1401EAI+ features three fully differential input channels that can be independently programmed with various gain settings, making it versatile for a range of measurement tasks.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Resolution | - | 18-bit | - | - |
| Output Data Rate | - | Up to 480 sps | - | sps |
| Supply Voltage | 2.7 | 3.0 | 3.6 | V |
| Input Current (all inputs except CLKIN) | -10 | - | 10 | µA |
| Input Hysteresis (CLKIN only) | - | - | 200 | mV |
| Power Dissipation (active) | 7.0 | 16.9 | 21.45 | mW |
| Standby Power Dissipation | 0.81 | 1.36 | - | µW |
| Gain Settings | - | +1, +2, +4, +8, +16, +32, +64, +128 | - | V/V |
Key Features
- 18-bit resolution with true 16-bit performance at up to 480 sps output data rate.
- Low power consumption with user-selectable decimation factor for trade-off between resolution and data rate.
- Three fully differential input channels with programmable gain settings (+1 to +128 V/V).
- Single +3V supply operation.
- Modulator sampling frequency can be optimized for lowest power dissipation or highest throughput rate.
- High accuracy achieved through sigma-delta modulator and digital decimation filter.
Applications
- Industrial automation and control systems.
- Medical devices requiring high precision measurements.
- Aerospace and defense applications where low power and high accuracy are critical.
- Automotive systems, especially those requiring robust and reliable data acquisition.
- Test and measurement equipment where precision and flexibility are essential.
Q & A
- What is the resolution of the MAX1401EAI+ ADC?
The MAX1401EAI+ has an 18-bit resolution. - What is the maximum output data rate of the MAX1401EAI+?
The maximum output data rate is up to 480 samples per second (sps). - What is the supply voltage range for the MAX1401EAI+?
The device operates from a single +3V supply, with a range of 2.7V to 3.6V. - How many input channels does the MAX1401EAI+ have?
The MAX1401EAI+ has three fully differential input channels. - What are the gain settings available for the input channels?
The gain settings range from +1 to +128 V/V. - What is the power consumption of the MAX1401EAI+ in active mode?
The power dissipation in active mode is typically around 16.9 mW. - Can the MAX1401EAI+ be optimized for low power or high throughput?
Yes, the modulator sampling frequency can be optimized for either lowest power dissipation or highest throughput rate. - What type of modulator does the MAX1401EAI+ use?
The MAX1401EAI+ uses a sigma-delta modulator with a digital decimation filter. - Is the MAX1401EAI+ suitable for medical devices?
Yes, it is suitable for medical devices due to its high precision and low power consumption. - Where can I find more detailed specifications for the MAX1401EAI+?
You can find detailed specifications in the datasheet available on the Analog Devices website or through distributors like Digi-Key and Mouser.
