Overview
The MAX1111EEE/V+T, produced by Analog Devices Inc./Maxim Integrated, is a low-power, 8-bit, 4-channel analog-to-digital converter (ADC). This device is designed for high efficiency and versatility, making it suitable for a variety of applications requiring precise analog-to-digital conversion. The MAX1111 features an internal track/hold, voltage reference, clock, and a 4-wire serial interface compatible with SPI, QSPI, and MICROWIRE standards. It operates from a single supply voltage ranging from 2.7V to 5.5V and consumes only 85µA while sampling at rates up to 50ksps.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated |
| Type of Integrated Circuit | A/D Converter |
| Number of Channels | 4 |
| Converter Resolution | 8-bit |
| Sampling Speed | Up to 50ksps |
| Case | QSOP16 |
| Mounting | SMD |
| Interface | SPI, QSPI, MICROWIRE |
| Operating Temperature | -40°C to 85°C |
| Relative Accuracy | 0.5LSB |
| Operating Current | 85µA (at 50ksps) |
| Operating Voltage | 2.7V to 5.5V |
Key Features
- Software-configurable analog inputs for unipolar/bipolar and single-ended/differential operation.
- Internal track/hold, voltage reference, and clock.
- 4-wire serial interface compatible with SPI, QSPI, and MICROWIRE standards.
- Serial-strobe output for end-of-conversion signal.
- Automatic power-down mode to minimize power consumption, reducing supply current to 6µA at 1ksps and 52µA at 10ksps.
- Internal protection diodes to prevent damage from input voltages exceeding the supply rails.
- Full-scale analog input range determined by the 2.048V internal reference or an externally applied reference ranging from 1V to VDD.
Applications
The MAX1111EEE/V+T is suitable for various applications requiring low-power, high-precision analog-to-digital conversion. These include:
- Data acquisition systems.
- Industrial control systems.
- Medical devices.
- Automotive systems.
- Consumer electronics requiring low power consumption and high accuracy.
The device can be evaluated using the MAX1110 evaluation system, which includes a MAX1110 evaluation kit and a Maxim 3V 68L11D microcontroller module, providing a comprehensive setup for testing and development.
Q & A
- What is the resolution of the MAX1111EEE/V+T ADC?
The MAX1111EEE/V+T has an 8-bit resolution.
- How many analog input channels does the MAX1111EEE/V+T have?
The MAX1111EEE/V+T has 4 analog input channels.
- What is the maximum sampling speed of the MAX1111EEE/V+T?
The MAX1111EEE/V+T can sample at rates up to 50ksps.
- What is the operating voltage range of the MAX1111EEE/V+T?
The MAX1111EEE/V+T operates from a single supply voltage ranging from 2.7V to 5.5V.
- What types of serial interfaces are supported by the MAX1111EEE/V+T?
The MAX1111EEE/V+T supports SPI, QSPI, and MICROWIRE serial interfaces.
- How does the MAX1111EEE/V+T manage power consumption?
The MAX1111EEE/V+T has an automatic power-down mode that reduces supply current to 6µA at 1ksps and 52µA at 10ksps.
- What is the full-scale analog input range of the MAX1111EEE/V+T?
The full-scale analog input range is determined by the 2.048V internal reference or an externally applied reference ranging from 1V to VDD.
- What kind of protection does the MAX1111EEE/V+T have for its analog inputs?
The MAX1111EEE/V+T has internal protection diodes that prevent damage from input voltages exceeding the supply rails.
- What is the operating temperature range of the MAX1111EEE/V+T?
The MAX1111EEE/V+T operates within a temperature range of -40°C to 85°C.
- How can the MAX1111EEE/V+T be evaluated for development purposes?
The MAX1111EEE/V+T can be evaluated using the MAX1110 evaluation system, which includes a MAX1110 evaluation kit and a Maxim 3V 68L11D microcontroller module.
