Overview
The MAX1111EEE+T is a low-power, 8-bit, 4-channel analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1110/MAX1111 family, known for their high performance and low power consumption. The MAX1111EEE+T 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 is designed for applications requiring high accuracy and low power usage.
Key Specifications
| Parameter | Value | Notes |
|---|---|---|
| Number of Channels | 4 | |
| Converter Resolution | 8-bit | |
| Sampling Speed | Up to 50ksps | |
| Operating Voltage | 2.7V to 5.5V | |
| Operating Current | 85µA (typical at 50ksps) | |
| Power-Down Current | 2µA (automatic), 6µA (at 1ksps), 52µA (at 10ksps) | |
| Operating Temperature Range | -40°C to +85°C | |
| Package Type | 16-pin QSOP | |
| Interface | SPI, QSPI, MICROWIRE | |
| Relative Accuracy | ±0.5LSB |
Key Features
- Internal track/hold, voltage reference, and clock.
- Software-configurable for unipolar/bipolar and single-ended/differential operation.
- 4-wire serial interface compatible with SPI, QSPI, and MICROWIRE standards.
- Serial-strobe output for end-of-conversion signal.
- Software-programmable, 2µA automatic power-down mode.
- Active-low SHDN input pin for power-down control.
- Low power consumption with supply current reduced to 6µA at 1ksps and 52µA at 10ksps in power-down mode.
Applications
The MAX1111EEE+T is suitable for a variety of applications requiring low power and high accuracy, such as:
- Portable and battery-powered devices.
- Industrial control systems.
- Medical devices.
- Automotive systems.
- Data acquisition systems.
Q & A
- What is the operating voltage range of the MAX1111EEE+T?
The MAX1111EEE+T operates from a single supply voltage ranging from 2.7V to 5.5V.
- How many analog input channels does the MAX1111EEE+T have?
The MAX1111EEE+T has 4 analog input channels.
- What is the maximum sampling speed of the MAX1111EEE+T?
The MAX1111EEE+T can sample at rates up to 50ksps.
- What type of serial interface does the MAX1111EEE+T use?
The MAX1111EEE+T uses a 4-wire serial interface compatible with SPI, QSPI, and MICROWIRE standards.
- How does the MAX1111EEE+T manage power consumption?
The MAX1111EEE+T has a software-programmable, 2µA automatic power-down mode and can be controlled using the active-low SHDN input pin.
- What is the typical operating current of the MAX1111EEE+T at 50ksps?
The typical operating current is 85µA at 50ksps.
- What is the package type of the MAX1111EEE+T?
The MAX1111EEE+T is available in a 16-pin QSOP package.
- What is the relative accuracy of the MAX1111EEE+T?
The relative accuracy is ±0.5LSB.
- Can the MAX1111EEE+T operate in both unipolar and bipolar modes?
- What is the operating temperature range of the MAX1111EEE+T?
The operating temperature range is -40°C to +85°C.
