Overview
The MAX1111CPE 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 series, known for their high performance and low power consumption. The MAX1111CPE operates from a single supply voltage ranging from 2.7V to 5.5V and is designed for applications requiring multiple analog input channels with flexible configuration options.
Key Specifications
| Parameter | Value | Notes |
|---|---|---|
| Supply Voltage | 2.7V to 5.5V | |
| Resolution | 8-bit | |
| Number of Channels | 4 single-ended or 2 differential | |
| Sampling Rate | Up to 50 kS/s | |
| Input Type | Single-ended or differential | |
| Architecture | Successive-approximation (SAR) | |
| Internal Reference | 2.048V | Or external reference from 1V to VDD |
| Operating Temperature Range | 0°C to +70°C (or -40°C to +85°C for extended temperature range models) | |
| Power Consumption | 85µA at 50ksps, 6µA in power-down mode | |
| Package | 16-pin QSOP |
Key Features
- Low power consumption with an operating current of 85µA at 50ksps and a power-down current of 6µA
- Flexible input configuration: 4 single-ended or 2 differential channels
- Internal 2.048V reference or external reference from 1V to VDD
- 4-wire serial interface compatible with SPI, QSPI, and MICROWIRE standards
- Software-programmable automatic power-down mode and active-low SHDN input pin for power management
- Available in a small 16-pin QSOP package
Applications
The MAX1111CPE is suitable for a variety of applications requiring low-power, multichannel analog-to-digital conversion. These include:
- Data acquisition systems
- Industrial control systems
- Medical devices
- Automotive systems
- Portable and battery-powered devices where low power consumption is critical
The MAX1111CPE can be evaluated using the MAX1110 evaluation kit, which provides a comprehensive setup for testing the device's features and performance
Q & A
- What is the supply voltage range for the MAX1111CPE?
The supply voltage range is from 2.7V to 5.5V
- How many analog input channels does the MAX1111CPE have?
The MAX1111CPE has 4 single-ended or 2 differential analog input channels
- What is the maximum sampling rate of the MAX1111CPE?
The maximum sampling rate is up to 50 kS/s
- What type of architecture does the MAX1111CPE use?
The MAX1111CPE uses a successive-approximation (SAR) architecture
- Can the MAX1111CPE use an external reference voltage?
- What is the power consumption of the MAX1111CPE during normal operation and power-down mode?
The power consumption is 85µA at 50ksps during normal operation and 6µA in power-down mode
- What type of serial interface does the MAX1111CPE support?
The MAX1111CPE supports a 4-wire serial interface compatible with SPI, QSPI, and MICROWIRE standards
- How can the power-down mode be controlled in the MAX1111CPE?
The power-down mode can be controlled using the active-low SHDN input pin or through software programming
- In what package is the MAX1111CPE available?
The MAX1111CPE is available in a 16-pin QSOP package
- What is the operating temperature range for the MAX1111CPE?
The operating temperature range is 0°C to +70°C (or -40°C to +85°C for extended temperature range models)
