Overview
The MAX1110 is a low-power, 8-bit, multichannel analog-to-digital converter (ADC) produced by Analog Devices, now part of Maxim Integrated. This device is designed for high-efficiency data acquisition and features an internal track/hold, voltage reference, clock, and serial interface. It operates from a single 2.7V to 5.5V supply, making it suitable for a wide range of applications where power consumption is a critical factor.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 8-bit |
| Number of Channels | 8 (MAX1110), 4 (MAX1111) |
| Supply Voltage | 2.7V to 5.5V |
| Supply Current | 85µA (sampling at 50ksps) |
| Sampling Rate | Up to 50ksps |
| Analog Input Range | Full-scale determined by 2.048V internal reference or external reference (1V to VDD) |
| Serial Interface | 4-wire, compatible with SPI™, QSPI™, and MICROWIRE™ |
| Operating Temperature Range | 0°C to +70°C (MAX1110CAP/MAX1111CEE), -40°C to +85°C (MAX1110EAP/MAX1111EGE) |
| Package | 20-pin SSOP (MAX1110), 16-pin QSOP (MAX1111) |
Key Features
- Internal track/hold, voltage reference, and clock.
- Software-configurable analog inputs for unipolar/bipolar and single-ended/differential operation.
- Low power consumption with automatic power-down mode reducing supply current to 2µA.
- 4-wire serial interface compatible with SPI™, QSPI™, and MICROWIRE™ standards.
- Serial-strobe output for end-of-conversion signal.
- High-speed successive-approximation conversions using internal or external clock.
Applications
The MAX1110 is ideal for various applications requiring low power and high-efficiency data acquisition, such as:
- Battery-powered devices.
- Remote sensing applications.
- Industrial automation.
- Medical devices.
- Automotive systems.
Q & A
- What is the resolution of the MAX1110 ADC?
The MAX1110 has an 8-bit resolution.
- How many analog input channels does the MAX1110 have?
The MAX1110 has 8 analog input channels, while the MAX1111 has 4 analog input channels.
- What is the operating supply voltage range for the MAX1110?
The MAX1110 operates from a single 2.7V to 5.5V supply.
- What is the maximum sampling rate of the MAX1110?
The MAX1110 can sample at rates up to 50ksps.
- What types of analog input configurations are supported by the MAX1110?
The MAX1110 supports unipolar/bipolar and single-ended/differential analog input configurations.
- What serial interface standards is the MAX1110 compatible with?
The MAX1110 is compatible with SPI™, QSPI™, and MICROWIRE™ serial interface standards.
- How does the MAX1110 manage power consumption?
The MAX1110 has a software-programmable, 2µA automatic power-down mode to minimize power consumption.
- What is the operating temperature range for the MAX1110?
The operating temperature range for the MAX1110 is 0°C to +70°C (MAX1110CAP/MAX1111CEE) and -40°C to +85°C (MAX1110EAP/MAX1111EGE).
- In what packages is the MAX1110 available?
The MAX1110 is available in a 20-pin SSOP package, while the MAX1111 is available in a 16-pin QSOP package.
- What is the purpose of the serial-strobe output in the MAX1110?
The serial-strobe output provides the end-of-conversion signal for interrupt-driven processors.
