Overview
The MAX1111EEE+TG068, produced by Analog Devices Inc./Maxim Integrated, is a low-power, multichannel, serial 8-bit analog-to-digital converter (ADC). This device is part of the MAX1110/MAX1111 family, known for its high efficiency and versatility in various analog-to-digital conversion applications. The MAX1111 features 4 software-configurable analog inputs, allowing for unipolar/bipolar and single-ended/differential operation, making it suitable for a wide range of sensing and measurement tasks.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Number of Analog Inputs | 4 | - |
| Resolution | 8-bit | - |
| Supply Voltage Range | 2.7V to 5.5V | V |
| Power Consumption (Sampling at 50ksps) | 85µA | µA |
| Conversion Rate | Up to 50ksps | samples per second |
| Internal Reference Voltage | 2.048V | V |
| External Reference Voltage Range | 1V to VDD | V |
| Operating Temperature Range | -40°C to +85°C (MAX1111E) | °C |
| Storage Temperature Range | -65°C to +150°C | °C |
| Lead Temperature (Soldering, 10s) | +300°C | °C |
| Soldering Temperature (Reflow) | +260°C | °C |
Key Features
- Software-Configurable Inputs: The MAX1111 allows for software configuration of its 4 analog inputs to operate in unipolar/bipolar and single-ended/differential modes.
- Low Power Consumption: The device consumes only 85µA while sampling at rates up to 50ksps.
- Internal Track/Hold and Reference: Features an internal track/hold circuit, voltage reference, and clock, reducing the need for external components.
- Serial Interface: Compatible with SPI, QSPI, and MICROWIRE serial-interface standards, facilitating easy integration with microprocessors.
- Automatic Shutdown: Reduces supply current to <1µA when the device is not in use, enhancing power management.
- Flexible Reference Options: Allows the use of an internal 2.048V reference or an external reference ranging from 1V to VDD.
Applications
- Industrial Automation: Suitable for sensor interfaces and data acquisition systems in industrial environments.
- Medical Devices: Can be used in medical equipment for precise analog-to-digital conversion.
- Consumer Electronics: Applicable in various consumer electronics requiring low-power, high-precision ADCs.
- Aerospace and Defense: Used in systems where low power consumption and high reliability are critical.
- Automotive Systems: Ideal for automotive sensor systems and other in-vehicle applications.
Q & A
- What is the resolution of the MAX1111 ADC?
The MAX1111 is an 8-bit analog-to-digital converter.
- How many analog inputs does the MAX1111 have?
The MAX1111 has 4 analog inputs.
- What is the supply voltage range for the MAX1111?
The supply voltage range is from 2.7V to 5.5V.
- What is the maximum conversion rate of the MAX1111?
The MAX1111 can convert at rates up to 50ksps.
- Can the MAX1111 operate in both unipolar and bipolar modes?
- What type of serial interface does the MAX1111 support?
The MAX1111 supports SPI, QSPI, and MICROWIRE serial-interface standards.
- How much power does the MAX1111 consume while sampling at 50ksps?
The device consumes 85µA while sampling at rates up to 50ksps.
- What is the internal reference voltage of the MAX1111?
The internal reference voltage is 2.048V.
- Can the MAX1111 use an external reference voltage?
- What is the operating temperature range for the MAX1111E?
The operating temperature range for the MAX1111E is -40°C to +85°C.
