Overview
The MAX1112EAP, produced by Analog Devices Inc./Maxim Integrated, is a low-power, 8-bit, multi-channel analog-to-digital converter (ADC). This device is designed for high efficiency and versatility, making it suitable for a variety of applications. It operates from a single 4.5V to 5.5V supply and features an internal track/hold, voltage reference, clock, and serial interface. The MAX1112EAP is particularly noted for its low power consumption, software-configurable inputs, and compatibility with multiple serial interface standards.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage | 4.5V to 5.5V |
| Power Consumption | 135µA at 50ksps, 13µA at 1ksps |
| Number of Channels | 8 (single-ended), 4 (differential) |
| Resolution | 8-bit |
| Sampling Rate | Up to 50ksps |
| Internal Reference | 4.096V |
| Serial Interface | SPI, QSPI, MICROWIRE compatible |
| Package Type | 20-pin SSOP |
| Operating Temperature Range | -40°C to +85°C |
| Storage Temperature Range | -65°C to +150°C |
Key Features
- Low power consumption: 135µA at 50ksps, 13µA at 1ksps
- Software-configurable unipolar or bipolar inputs
- Single-ended or differential input operation
- Internal track/hold and 4.096V voltage reference
- SPI, QSPI, and MICROWIRE-compatible serial interface
- Automatic power-down mode with 2µA current in shutdown
- Serial-strobe output for end-of-conversion signal
Applications
- Portable data logging
- Hand-held measurement devices
- Medical instruments
- System diagnostics
- Solar-powered remote systems
- 4mA to 20mA-powered remote data-acquisition systems
Q & A
- What is the supply voltage range for the MAX1112EAP?
The supply voltage range is 4.5V to 5.5V. - How many channels does the MAX1112EAP have?
The MAX1112EAP has 8 single-ended or 4 differential channels. - What is the resolution of the MAX1112EAP?
The resolution is 8-bit. - What is the maximum sampling rate of the MAX1112EAP?
The maximum sampling rate is up to 50ksps. - Is the MAX1112EAP compatible with any specific serial interface standards?
Yes, it is compatible with SPI, QSPI, and MICROWIRE standards. - What is the power consumption of the MAX1112EAP at 50ksps?
The power consumption is 135µA at 50ksps. - Does the MAX1112EAP have an automatic power-down mode?
Yes, it has a software-programmable automatic power-down mode. - What is the operating temperature range of the MAX1112EAP?
The operating temperature range is -40°C to +85°C. - What package type is the MAX1112EAP available in?
The MAX1112EAP is available in a 20-pin SSOP package. - What are some common applications of the MAX1112EAP?
Common applications include portable data logging, hand-held measurement devices, medical instruments, and solar-powered remote systems.
