Overview
The ICL7109CQH+D is a 12-bit analog-to-digital converter (A/D converter) designed and manufactured by Analog Devices Inc./Maxim Integrated. This monolithic device is engineered for easy interface with microprocessors and UARTs, making it a versatile component for various data acquisition systems. It features high accuracy, low power consumption, and minimal input bias current, making it an attractive option for applications requiring precise analog-to-digital conversion.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Conversion Type | Dual Slope |
| Input Channels | 1 |
| Output Type | 3-State Binary |
| Package Type | 44-PLCC (16.59x16.59 mm) |
| Rollover Error | Less than 1 count |
| Zero Reading Drift | Less than 1 μV/°C |
| Power Consumption | Low power |
| Input Bias Current | Minimal |
Key Features
- High accuracy with low rollover error and zero reading drift.
- Easy interface with microprocessors and UARTs through chip select and byte enable inputs.
- Supports UART handshake mode for serial data transmission.
- Low power consumption and minimal input bias current.
- 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 ICL7109CQH+D is suitable for a variety of applications, including:
- Data acquisition systems where high accuracy and low power consumption are critical.
- Remote data logging applications due to its ability to work with industry-standard UARTs.
- Systems requiring direct interface with microprocessors and UARTs.
- Applications where analog multiplexing is not feasible, offering a one-per-channel alternative.
Q & A
- What is the resolution of the ICL7109CQH+D A/D converter?
The ICL7109CQH+D has a resolution of 12 bits. - What type of conversion does the ICL7109CQH+D use?
The ICL7109CQH+D uses dual slope conversion. - How many input channels does the ICL7109CQH+D have?
The ICL7109CQH+D has one input channel. - What is the output type of the ICL7109CQH+D?
The output type is 3-State Binary. - What is the package type of the ICL7109CQH+D?
The package type is 44-PLCC (16.59x16.59 mm). - What is the rollover error of the ICL7109CQH+D?
The rollover error is less than 1 count. - What is the zero reading drift of the ICL7109CQH+D?
The zero reading drift is less than 1 μV/°C. - How does the ICL7109CQH+D interface with microprocessors and UARTs?
The ICL7109CQH+D interfaces through chip select and byte enable inputs and supports UART handshake mode for serial data transmission. - What are some key features of the ICL7109CQH+D?
Key features include high accuracy, low power consumption, minimal input bias current, and enhanced current sourcing capabilities. - What are some typical applications of the ICL7109CQH+D?
Typical applications include data acquisition systems, remote data logging, and systems requiring direct interface with microprocessors and UARTs.
