Overview
The MAX1108EUB, produced by Analog Devices Inc./Maxim Integrated, is a low-power, 8-bit, dual-channel, analog-to-digital converter (ADC). This device is part of the MAX1108/MAX1109 family and is known for its high efficiency and versatility. The MAX1108 operates on a single supply voltage ranging from +2.7V to +3.6V and consumes only 105µA, making it suitable for 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 | Units |
|---|---|---|
| Supply Voltage | +2.7V to +3.6V | V |
| Power Consumption | 105µA at +3V and 50ksps | µA |
| Power-Down Mode Current | 0.5µA | µA |
| Resolution | 8-bit | - |
| Number of Channels | 2 | - |
| Conversion Rate | Up to 50ksps | sps |
| Internal Reference Voltage | +2.048V | V |
| External Reference Voltage Range | 1V to VDD | V |
| Operating Temperature Range | -40°C to +85°C | °C |
| Package Type | 10-pin µMAX | - |
Key Features
- Single-supply operation: +2.7V to +3.6V
- Low power consumption: 105µA at +3V and 50ksps, 0.5µA in power-down mode
- Software-configurable unipolar or bipolar inputs
- Input voltage range: 0 to VDD
- Internal track/hold and reference voltage (+2.048V)
- SPI, QSPI, and 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 supply voltage range for the MAX1108EUB?
The MAX1108EUB operates on a single supply voltage ranging from +2.7V to +3.6V.
- How much power does the MAX1108EUB consume?
The device consumes 105µA at +3V and 50ksps, and 0.5µA in power-down mode.
- What is the resolution of the MAX1108EUB?
The MAX1108EUB is an 8-bit ADC.
- How many channels does the MAX1108EUB have?
The MAX1108EUB has two analog input channels.
- What is the maximum conversion rate of the MAX1108EUB?
The MAX1108EUB can perform conversions up to 50ksps.
- What is the internal reference voltage of the MAX1108EUB?
The internal reference voltage is +2.048V.
- What is the range for the external reference voltage?
The external reference voltage can range from 1V to VDD.
- What is the operating temperature range for the MAX1108EUB?
The operating temperature range is -40°C to +85°C.
- In what package is the MAX1108EUB available?
The MAX1108EUB is available in a 10-pin µMAX package.
- What serial interfaces are supported by the MAX1108EUB?
The device supports SPI, QSPI, and MICROWIRE-compatible serial interfaces.
