Overview
The MAX1109CUB+ is a single-supply, low-power, 2-channel, serial 8-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1108/MAX1109 family, known for its high efficiency and versatility in various applications. The MAX1109 operates within a voltage range of +4.5V to +5.5V and consumes only 130µA, making it an ideal choice for power-sensitive designs.
Key Specifications
| Specification | Value |
|---|---|
| Supply Voltage Range | +4.5V to +5.5V |
| Power Consumption | 130µA |
| Resolution | 8-bit |
| Number of Channels | 2 |
| Conversion Rate | Up to 50ksps |
| Internal Reference Voltage | +4.096V |
| External Reference Voltage Range | 1V to VDD |
| Software Power-Down Current | 0.5µA |
| Package Type | 10-pin µMAX |
Key Features
- Low Power Consumption: The MAX1109 consumes only 130µA, making it suitable for battery-powered devices and other low-power applications.
- Software Configurable Inputs: The analog inputs can be configured for unipolar/bipolar and single-ended/differential operation, providing flexibility in various measurement scenarios.
- Battery Monitoring Capability: The device includes features for monitoring battery voltage, which is crucial in many portable and embedded systems.
- Internal Reference and Clock: The MAX1109 features an internal track/hold (T/H) voltage reference and clock, simplifying the design process and reducing the need for external components.
- Serial Interface: The device supports a 4-wire serial interface compatible with SPI, QSPI, and MICROWIRE, allowing easy integration with microcontrollers and other digital systems.
Applications
- Portable and Battery-Powered Devices: The low power consumption makes the MAX1109 ideal for use in handheld devices, medical equipment, and other battery-powered systems.
- Industrial Automation: The device can be used in industrial control systems, sensors, and data acquisition modules where low power and high accuracy are required.
- Automotive Systems: The MAX1109 can be applied in automotive electronics for sensor readings, battery monitoring, and other control systems.
- Medical Devices: Its precision and low power consumption make it suitable for medical devices such as patient monitoring systems and portable diagnostic equipment.
Q & A
- What is the operating voltage range of the MAX1109?
The MAX1109 operates within a voltage range of +4.5V to +5.5V.
- How many channels does the MAX1109 have?
The MAX1109 is a 2-channel ADC.
- What is the resolution of the MAX1109?
The MAX1109 has an 8-bit resolution.
- What is the maximum conversion rate of the MAX1109?
The MAX1109 can perform conversions up to 50ksps.
- Does the MAX1109 have an internal reference voltage?
Yes, the MAX1109 has an internal reference voltage of +4.096V.
- Can the MAX1109 be powered down to reduce power consumption?
Yes, the MAX1109 features a software power-down mode that reduces power consumption to 0.5µA when not in use).
- What type of package is the MAX1109 available in?
The MAX1109 is available in a 10-pin µMAX package).
- Is the MAX1109 compatible with SPI, QSPI, and MICROWIRE interfaces?
Yes, the MAX1109 supports a 4-wire serial interface compatible with SPI, QSPI, and MICROWIRE).
- Can the analog inputs of the MAX1109 be configured for different operation modes?
Yes, the analog inputs can be configured for unipolar/bipolar and single-ended/differential operation).
- Does the MAX1109 include battery monitoring capability?
Yes, the MAX1109 includes features for monitoring battery voltage).
