Overview
The MAX1109CUB+T 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 precision and low power consumption. The MAX1109 operates within a voltage range of +4.5V to +5.5V and consumes only 130µA, making it suitable for battery-powered and power-sensitive applications. It features an internal track/hold (T/H) voltage reference, clock, and a 4-wire serial interface compatible with SPI, QSPI, and MICROWIRE devices.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage (VDD) | +4.5V to +5.5V |
| Power Consumption | 130µA (typical) |
| Resolution | 8-bit |
| Number of Channels | 2 |
| Conversion Rate | Up to 50ksps |
| Internal Reference Voltage | +4.096V |
| External Reference Voltage Range | 1V to VDD |
| Input Configuration | Unipolar/Bipolar, Single-Ended/Differential |
| Package Type | 10-pin µMAX |
| Power-Down Current | 0.5µA (typical) |
Key Features
- Low power consumption: 130µA typical, reducing to 0.5µA in power-down mode.
- Software-configurable analog inputs: Supports unipolar/bipolar and single-ended/differential operation.
- Internal track/hold (T/H) voltage reference and clock.
- 4-wire serial interface compatible with SPI, QSPI, and MICROWIRE devices.
- Battery monitoring capability.
- No external hold capacitors required.
- Compact 10-pin µMAX package.
Applications
- Battery-powered devices: Due to its low power consumption, it is ideal for battery-powered applications.
- Portable electronics: Suitable for use in handheld devices and other portable electronics.
- Industrial automation: Can be used in various industrial automation applications where low power and high precision are required.
- Medical devices: Applicable in medical devices that require precise analog-to-digital conversion with low power consumption.
- Automotive systems: Can be integrated into automotive systems for sensor data acquisition.
Q & A
- What is the operating voltage range of the MAX1109CUB+T?
The MAX1109CUB+T operates within a voltage range of +4.5V to +5.5V.
- How many channels does the MAX1109CUB+T have?
The MAX1109CUB+T has 2 channels.
- What is the resolution of the MAX1109CUB+T?
The MAX1109CUB+T has an 8-bit resolution.
- What is the maximum conversion rate of the MAX1109CUB+T?
The MAX1109CUB+T can perform conversions up to 50ksps.
- Does the MAX1109CUB+T have an internal reference voltage?
Yes, the MAX1109CUB+T has an internal reference voltage of +4.096V.
- Can the MAX1109CUB+T be configured for different input modes?
Yes, the MAX1109CUB+T can be software-configured for unipolar/bipolar and single-ended/differential operation.
- What is the power consumption of the MAX1109CUB+T in active mode?
The power consumption is typically 130µA.
- What is the power consumption of the MAX1109CUB+T in power-down mode?
The power consumption in power-down mode is typically 0.5µA.
- What type of package does the MAX1109CUB+T come in?
The MAX1109CUB+T comes in a 10-pin µMAX package.
- Is the MAX1109CUB+T compatible with SPI, QSPI, and MICROWIRE interfaces?
Yes, the MAX1109CUB+T has a 4-wire serial interface compatible with SPI, QSPI, and MICROWIRE devices.
