Overview
The MAX109EHF+ is a low-power, 10-bit analog-to-digital converter (ADC) from Analog Devices Inc./Maxim Integrated. This device is part of the MAX1091/MAX1093 family, known for their high precision, low power consumption, and versatile interface options. The MAX109EHF+ is designed to meet the demands of various applications requiring accurate and efficient analog-to-digital conversion.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 10-bit |
| Linearity | ±0.5 LSB |
| Supply Voltage | +3V single supply |
| Logic Level | User-adjustable (+1.8V to +3.6V) |
| Internal Reference | +2.5V |
| Sampling Rate | Up to 250ksps |
| Power Consumption | 1.9mA (250ksps), 1.0mA (100ksps), 400µA (10ksps), 2µA (shutdown) |
| Input Channels | 4 single-ended / 2 pseudo-differential |
| Interface | Byte-wide parallel (8 + 2) |
| Package | 24-pin QSOP |
Key Features
High Precision: Offers 10-bit resolution with ±0.5 LSB linearity, ensuring accurate conversions.
Low Power: Operates at low power levels, making it suitable for battery-powered and data-acquisition applications.
Versatile Interface: Supports user-adjustable logic levels (+1.8V to +3.6V) and a byte-wide parallel interface.
Internal Reference: Includes a +2.5V internal reference for stable conversions.
Software-Configurable Inputs: Allows for software configuration of analog inputs for unipolar/bipolar and single-ended/pseudo-differential operation.
Fast Wake-Up: Features a fast wake-up time of 2µs from shutdown mode.
Applications
The MAX109EHF+ is ideal for various applications, including:
Battery-Powered Devices: Due to its low power consumption, it is suitable for devices that require long battery life.
Data-Acquisition Systems: Its high precision and fast sampling rates make it a good fit for data-acquisition applications.
Industrial Automation: Can be used in industrial settings where accurate and reliable analog-to-digital conversion is necessary.
Medical Devices: Suitable for medical devices that require precise and low-power analog-to-digital conversion.
Q & A
- What is the resolution of the MAX109EHF+ ADC?
The MAX109EHF+ has a 10-bit resolution.
- What is the maximum sampling rate of the MAX109EHF+?
The maximum sampling rate is up to 250ksps.
- What is the power consumption of the MAX109EHF+ at 250ksps?
The power consumption is 1.9mA at 250ksps.
- What types of input channels does the MAX109EHF+ support?
The MAX109EHF+ supports 4 single-ended and 2 pseudo-differential input channels.
- What is the package type of the MAX109EHF+?
The MAX109EHF+ is available in a 24-pin QSOP package.
- Does the MAX109EHF+ have an internal reference voltage?
Yes, it includes a +2.5V internal reference voltage.
- Can the logic level of the MAX109EHF+ be adjusted?
Yes, the logic level is user-adjustable from +1.8V to +3.6V.
- What is the wake-up time from shutdown mode?
The wake-up time from shutdown mode is 2µs.
- Is the MAX109EHF+ suitable for battery-powered devices?
Yes, due to its low power consumption, it is suitable for battery-powered devices.
- What interface does the MAX109EHF+ use for data transfer?
The MAX109EHF+ uses a byte-wide parallel interface for data transfer.
