Overview
The MAX1109EUB+ is a low-power, 8-bit, dual-channel analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1108/MAX1109 series, known for its high efficiency and versatility in various applications. The MAX1109EUB+ operates on a single supply voltage ranging from +4.5V to +5.5V and is designed for low power consumption, making it suitable for battery-powered and remote systems.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Operating Supply Voltage | +4.5V to +5.5V | V |
| Power Consumption | 130µA at 50ksps | µA |
| Power-Down Mode | 0.5µA | µA |
| Resolution | 8-bit | - |
| Conversion Rate | Up to 50ksps | ksps |
| Internal Reference | +4.096V | V |
| Input Range | 0 to VDD or external reference (1V to VDD) | V |
| Serial Interface | SPI/QSPI/MICROWIRE-compatible | - |
| Package | 10-pin µMAX | - |
Key Features
- Single supply operation: +4.5V to +5.5V
- Low power consumption: 130µA at 50ksps and 0.5µA in power-down mode
- Software-configurable unipolar or bipolar inputs
- Internal track/hold (T/H) and voltage reference
- Input voltage range: 0 to VDD or external reference (1V to VDD)
- SPI/QSPI/MICROWIRE-compatible serial interface
- Battery monitoring capability
- Compact 10-pin µMAX package
Applications
- Portable data logging
- Hand-held measurement devices
- Medical instruments
- System diagnostics
- Solar-powered remote systems
- 4–20mA-powered remote systems
- Receive-signal strength indicators
Q & A
- What is the operating supply voltage range of the MAX1109EUB+?
The MAX1109EUB+ operates on a single supply voltage ranging from +4.5V to +5.5V.
- What is the power consumption of the MAX1109EUB+ during normal operation and in power-down mode?
The device consumes 130µA at 50ksps and 0.5µA in power-down mode.
- What is the resolution of the MAX1109EUB+ ADC?
The MAX1109EUB+ has an 8-bit resolution.
- What is the maximum conversion rate of the MAX1109EUB+?
The MAX1109EUB+ can perform conversions up to 50ksps.
- What type of serial interface does the MAX1109EUB+ support?
The device supports SPI/QSPI/MICROWIRE-compatible serial interfaces.
- Can the input range of the MAX1109EUB+ be configured externally?
- What is the package type of the MAX1109EUB+?
The device is available in a 10-pin µMAX package.
- Does the MAX1109EUB+ have battery monitoring capability?
- What are some typical applications of the MAX1109EUB+?
Typical applications include portable data logging, hand-held measurement devices, medical instruments, system diagnostics, and remote systems.
- How does the MAX1109EUB+ manage power consumption when not in use?
The device has a software power-down mode that reduces power consumption to 0.5µA when not in use.
