Overview
The MAX1111CEE is a low-power, 8-bit, multichannel analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1110/MAX1111 family and is known for its high efficiency and versatility. The MAX1111 features 4 analog inputs that are software-configurable, allowing for unipolar/bipolar and single-ended/differential operation. It operates from a single 2.7V to 5.5V supply and is designed for low power consumption, making it suitable for a variety of applications where energy efficiency is crucial.
Key Specifications
| Parameter | Value | Notes |
|---|---|---|
| Supply Voltage | 2.7V to 5.5V | |
| Number of Channels | 4 (single-ended or 2 differential) | |
| Resolution | 8-bit | |
| Sampling Rate | Up to 50 kS/s | |
| Input Type | Differential/Single-Ended | Software-configurable |
| Architecture | Successive Approximation (SAR) | |
| Operating Temperature Range | 0°C to +70°C (MAX1111CEE) | |
| Power Consumption | 85µA at 50ksps, 6µA in power-down mode | |
| Package Type | 16-pin QSOP |
Key Features
- Low power consumption: Operates at 85µA while sampling at rates up to 50ksps and reduces to 6µA in power-down mode.
- Software-configurable inputs: Allows for unipolar/bipolar and single-ended/differential operation.
- Internal track/hold, voltage reference, and clock: Simplifies system design and reduces external component count.
- 4-wire serial interface: Compatible with SPI, QSPI, and MICROWIRE serial-interface standards.
- Serial-strobe output: Provides the end-of-conversion signal for interrupt-driven processors.
- Automatic power-down mode: Controlled by software or the active-low SHDN input pin to minimize power consumption.
Applications
The MAX1111CEE is suitable for various applications requiring low power and high precision analog-to-digital conversion. These include:
- Data acquisition systems: Ideal for multi-channel data acquisition due to its software-configurable inputs and low power consumption.
- Industrial control systems: Used in monitoring and control applications where energy efficiency is critical.
- Medical devices: Suitable for medical applications requiring precise and low-power ADCs.
- Automotive systems: Can be used in automotive applications where reliability and low power consumption are essential).
Q & A
- What is the supply voltage range of the MAX1111CEE?
The MAX1111CEE operates from a single 2.7V to 5.5V supply).
- How many analog inputs does the MAX1111CEE have?
The MAX1111CEE has 4 analog inputs that can be configured as single-ended or differential).
- What is the resolution of the MAX1111CEE?
The MAX1111CEE has an 8-bit resolution).
- What is the maximum sampling rate of the MAX1111CEE?
The MAX1111CEE can sample at rates up to 50 kS/s).
- What type of architecture does the MAX1111CEE use?
The MAX1111CEE uses a Successive Approximation (SAR) architecture).
- How does the MAX1111CEE manage power consumption?
The MAX1111CEE has a software-programmable power-down mode that reduces power consumption to 6µA at 1ksps and 52µA at 10ksps).
- What type of serial interface does the MAX1111CEE support?
The MAX1111CEE supports a 4-wire serial interface compatible with SPI, QSPI, and MICROWIRE standards).
- What is the package type of the MAX1111CEE?
The MAX1111CEE is available in a 16-pin QSOP package).
- What is the operating temperature range of the MAX1111CEE?
The MAX1111CEE operates within a temperature range of 0°C to +70°C).
- How can the power-down mode be controlled in the MAX1111CEE?
The power-down mode can be controlled using software or the active-low SHDN input pin).
