Overview
The ICL7109MJL is a monolithic 12-bit analog-to-digital converter (A/D converter) designed by Analog Devices Inc./Maxim Integrated. This device is optimized for easy interface with microprocessors and UARTs, making it suitable for various data acquisition and logging applications. It features high accuracy, low power consumption, and minimal input bias current, making it an attractive option for systems requiring precise and efficient analog-to-digital conversion.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12 bits |
| Output Format | Binary plus polarity and over-range |
| Interface | Direct interface with microprocessor bus, UART handshake mode |
| Rollover Error | Less than 1 count |
| Zero Reading Drift | Less than 1 μV/°C |
| Power Consumption | Low power |
| Input Bias Current | Minimal |
| Package Types | Plastic Dual-In-Line, Plastic Leaded Chip Carrier |
Key Features
- High accuracy with low rollover error and zero reading drift.
- Low power consumption and minimal input bias current.
- Direct interface with microprocessor bus and UART handshake mode for serial data transmission.
- Elimination of overrange hangover, crosstalk, and hysteresis effects through a zero-integrator phase.
- Enhanced current sourcing capabilities to drive large capacitances on microprocessor buses.
Applications
The ICL7109MJL is suitable for various applications, including:
- Data acquisition systems where high accuracy and low power consumption are critical.
- Remote data logging applications utilizing UARTs for serial data transmission.
- Systems requiring one-per-channel A/D conversion as an alternative to analog multiplexing.
Q & A
- What is the resolution of the ICL7109MJL A/D converter?
The ICL7109MJL has a resolution of 12 bits. - How does the ICL7109MJL interface with microprocessors and UARTs?
The ICL7109MJL can be directly interfaced with a microprocessor bus and also supports UART handshake mode for serial data transmission. - What are the key accuracy specifications of the ICL7109MJL?
The ICL7109MJL has a rollover error of less than 1 count and a zero reading drift of less than 1 μV/°C. - What are the power consumption and input bias current characteristics of the ICL7109MJL?
The ICL7109MJL has low power consumption and minimal input bias current. - What package types are available for the ICL7109MJL?
The ICL7109MJL is available in Plastic Dual-In-Line and Plastic Leaded Chip Carrier packages. - How does the ICL7109MJL handle overrange conditions?
The ICL7109MJL includes a zero-integrator phase that eliminates overrange hangover, crosstalk, and hysteresis effects. - What are the enhanced capabilities of the ICL7109MJL in terms of current sourcing?
The ICL7109MJL has increased current sourcing capabilities to rapidly drive large capacitances often found on microprocessor buses. - In what types of systems is the ICL7109MJL particularly useful?
The ICL7109MJL is particularly useful in data acquisition systems and remote data logging applications. - How does the ICL7109MJL compare to analog multiplexing solutions?
The ICL7109MJL offers a low-cost, one-per-channel alternative to analog multiplexing due to its low power consumption and minimal input bias current. - Where can I find more detailed specifications and documentation for the ICL7109MJL?
More detailed specifications and documentation can be found on the Analog Devices Inc./Maxim Integrated website and through datasheets available on sites like Digi-Key.
