Overview
The ICL7136RCPL, produced by Analog Devices Inc./Maxim Integrated, is a monolithic analog-to-digital converter (ADC) designed for high accuracy and low power consumption. This device is particularly suited for applications requiring precise measurements and minimal power usage, making it ideal for portable systems. The ICL7136RCPL integrates various on-board active components, including segment drivers, segment decoders, a voltage reference, and a clock circuit, which enables it to directly drive non-multiplexed liquid crystal displays (LCDs) without the need for external display drive circuitry.
Key Specifications
| Parameter | Description |
|---|---|
| Conversion Technique | Dual-slope conversion |
| Input Impedance | Very high |
| Display Type | Non-multiplexed LCD |
| Accuracy | High accuracy with less than one count rollover error and less than 1μV/°C zero reading drift |
| Power Consumption | Low power |
| Package Types | Plastic Dual-In-Line (DIP), Metric Quad Flatpack, Plastic Leaded Chip Carrier (PLCC) |
| Pins/Package | 44 pins (PLCC-44) |
| Dimensions (PLCC) | 16.6x16.6 mm |
| Compliance | ROHS compliant |
Key Features
- High Input Impedance: Ensures minimal loading on the input signal.
- Dual-Slope Conversion Technique: Automatically rejects interference signals common in industrial environments.
- True Differential Input and Reference: Useful for ratiometric measurements such as ohms or bridge transducers.
- No Overrange Hangover and Hysteresis: Zero-integrator phase eliminates these effects.
- Low Power Consumption: Suitable for portable and battery-powered systems.
- On-Board Active Components: Includes segment drivers, segment decoders, voltage reference, and a clock circuit.
Applications
The ICL7136RCPL is versatile and can be used in various applications, including:
- Portable Systems: Due to its low power consumption, it is ideal for battery-powered devices.
- Industrial Measurements: The dual-slope conversion technique and true differential input make it suitable for industrial environments and ratiometric measurements.
- Medical Devices: High accuracy and low drift make it a good choice for medical equipment requiring precise measurements.
- Automotive Systems: Can be used in automotive applications where high reliability and accuracy are required.
Q & A
- What is the conversion technique used in the ICL7136RCPL?
The ICL7136RCPL uses the dual-slope conversion technique. - What type of display does the ICL7136RCPL support?
The ICL7136RCPL directly drives non-multiplexed liquid crystal displays (LCDs). - What are the key advantages of the dual-slope conversion technique?
The dual-slope conversion technique automatically rejects interference signals common in industrial environments and provides high accuracy. - What is the significance of true differential input and reference in the ICL7136RCPL?
The true differential input and reference are particularly useful for ratiometric measurements such as ohms or bridge transducers. - How does the ICL7136RCPL handle overrange hangover and hysteresis?
The zero-integrator phase in the ICL7136RCPL eliminates overrange hangover and hysteresis effects. - What are the package options available for the ICL7136RCPL?
The ICL7136RCPL is available in Plastic Dual-In-Line (DIP), Metric Quad Flatpack, and Plastic Leaded Chip Carrier (PLCC) packages. - Is the ICL7136RCPL ROHS compliant?
Yes, the ICL7136RCPL is ROHS compliant. - What is the power consumption characteristic of the ICL7136RCPL?
The ICL7136RCPL has low power consumption, making it suitable for portable and battery-powered systems. - Can the ICL7136RCPL be used in industrial environments?
Yes, the ICL7136RCPL is designed to handle industrial environments due to its ability to reject interference signals. - What is the accuracy level of the ICL7136RCPL?
The ICL7136RCPL offers high accuracy with less than one count rollover error and less than 1μV/°C zero reading drift.
