Overview
The MAX1109CUB+G07, produced by Analog Devices Inc./Maxim Integrated, is a low-power, 8-bit, dual-channel analog-to-digital converter (ADC). This component is part of the MAX1108/MAX1109 series and is designed for applications requiring high accuracy and low power consumption. The MAX1109 operates from a single supply voltage ranging from +4.5V to +5.5V and features an internal track/hold (T/H) voltage reference, clock, and a 4-wire serial interface compatible with SPI and QSPI protocols.
Key Specifications
| Parameter | Value | Units | Conditions |
|---|---|---|---|
| Supply Voltage | 4.5 to 5.5 | V | |
| Supply Current | 130 | µA | VDD = 4.5V to 5.5V, fSCLK = 500kHz |
| Power-Down Current | 0.5 | µA | Software power-down mode |
| Resolution | 8-bit | ||
| Conversion Rate | 50 ksps | fSCLK = 500kHz, 10 clocks/conversion cycle | |
| Analog Input Range | 0 to VDD or external reference (1V to VDD) | V | |
| Internal Reference Voltage | 4.096 | V | |
| LSB Offset Error | ±0.2 LSB | VDD = 4.5V to 5.5V, unipolar input mode | |
| Gain Error | ±0.8 ppm/°C | VDD = 4.5V to 5.5V, unipolar input mode |
Key Features
- Low power consumption: 130µA at VDD = 4.5V to 5.5V and 0.5µA in software power-down mode.
- Dual-channel operation with software-configurable unipolar/bipolar and single-ended/differential input modes.
- Internal track/hold (T/H) voltage reference and clock.
- 4-wire serial interface compatible with SPI and QSPI protocols.
- Battery monitoring capability.
- No missing codes over temperature range.
Applications
The MAX1109CUB+G07 is suitable for various applications requiring low power and high accuracy, such as:
- Battery-powered devices and portable electronics.
- Industrial control and automation systems.
- Medical devices and diagnostic equipment.
- Automotive systems, including sensor interfaces and data acquisition.
- Consumer electronics, such as smart home devices and IoT applications.
Q & A
- What is the operating voltage range of the MAX1109CUB+G07?
The MAX1109CUB+G07 operates from a single supply voltage ranging from +4.5V to +5.5V.
- What is the power consumption of the MAX1109CUB+G07 in normal operation?
The power consumption is 130µA at VDD = 4.5V to 5.5V.
- What is the power consumption in power-down mode?
The power consumption in software power-down mode is 0.5µA.
- What is the resolution of the MAX1109CUB+G07?
The resolution is 8-bit.
- What is the conversion rate of the MAX1109CUB+G07?
The conversion rate is up to 50 ksps with a 500kHz clock.
- Can the analog input range be configured externally?
- What is the internal reference voltage of the MAX1109CUB+G07?
The internal reference voltage is 4.096V.
- Is the MAX1109CUB+G07 compatible with SPI and QSPI protocols?
- Does the MAX1109CUB+G07 support battery monitoring?
- What are some typical applications of the MAX1109CUB+G07?
