Overview
The ICL7109CPL+2 is a monolithic 12-bit analog-to-digital (A/D) converter designed by Analog Devices Inc./Maxim Integrated. This device is optimized 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 digital conversion of analog signals.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12 bits |
| Output Format | Binary plus polarity and over-range outputs |
| Supply Voltage (Analog) | ±5V |
| Supply Voltage (Digital) | ±5V |
| Operating Temperature | 0°C to 70°C |
| Package Type | Plastic Dual-In-Line, Wide (0.6in) |
| Pins | 40 |
| Rollover Error | Less than 1 count |
| Zero Reading Drift | Less than 1μV/°C |
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 through chip select and two byte enable inputs.
- Compatibility with industry standard UARTs for serial data transmission.
- Enhanced current sourcing capabilities to drive large capacitances on microprocessor buses.
- Elimination of overrange hangover, crosstalk, and hysteresis effects through a zero-integrator phase.
Applications
The ICL7109CPL+2 is suitable for a variety of applications, including data acquisition systems, remote data logging, and any scenario where precise analog-to-digital conversion is required. It is particularly useful as a low-cost, one-per-channel alternative to analog multiplexing due to its low power consumption and high accuracy.
Q & A
- What is the resolution of the ICL7109CPL+2?
The ICL7109CPL+2 has a resolution of 12 bits. - What are the supply voltage requirements for the ICL7109CPL+2?
The device requires ±5V for both analog and digital supply voltages. - What is the operating temperature range of the ICL7109CPL+2?
The operating temperature range is from 0°C to 70°C. - How does the ICL7109CPL+2 interface with microprocessors?
The device interfaces directly with microprocessor buses through chip select and two byte enable inputs. - Is the ICL7109CPL+2 compatible with UARTs?
Yes, it is compatible with industry standard UARTs for serial data transmission. - What are the key accuracy features of the ICL7109CPL+2?
The device has low rollover error (less than 1 count) and minimal zero reading drift (less than 1μV/°C). - What package types are available for the ICL7109CPL+2?
The device is available in Plastic Dual-In-Line, Wide (0.6in) packages among others. - How many pins does the ICL7109CPL+2 have?
The device has 40 pins. - What are some of the key applications for the ICL7109CPL+2?
It is used in data acquisition systems, remote data logging, and as a low-cost alternative to analog multiplexing. - Does the ICL7109CPL+2 have any special features to reduce errors?
Yes, it includes a zero-integrator phase to eliminate overrange hangover, crosstalk, and hysteresis effects.
