ICL7660CBAZ-T

The ICL7660CBAZ-T is a highly integrated voltage converter IC manufactured by Renesas Electronics, designed for applications requiring a compact and efficient solution for generating negative voltages from a positive supply. This device is particularly useful in battery-powered systems, signal processing, and operational amplifier circuits where dual supply voltages are needed.

Key Features:

1. Voltage Conversion: The ICL7660CBAZ-T is capable of converting a positive input voltage (typically +5V to +15V) into a negative output voltage, effectively providing a -5V to -15V output. This makes it ideal for applications that require a dual power supply from a single voltage source.

2. Charge Pump Technology: The IC utilizes a charge pump architecture, which allows it to generate the negative voltage without the need for inductors, making it suitable for low-profile and space-constrained designs. The charge pump operates by switching capacitors to transfer charge and create the desired output voltage.

3. Output Current: The device can deliver output currents up to 20 mA, making it suitable for driving low-power analog circuits and operational amplifiers.

4. Low Quiescent Current: The ICL7660CBAZ-T features a low quiescent current, which is beneficial for battery-operated devices, helping to extend battery life by minimizing power consumption when the device is idle.

5. Wide Operating Temperature Range: The IC is designed to operate over a wide temperature range, typically from -40°C to +85°C, ensuring reliable performance in various environmental conditions.

6. Compact Package: The ICL7660CBAZ-T is available in a small 8-pin SOIC (Small Outline Integrated Circuit) package, which is advantageous for space-constrained applications and allows for easy integration into printed circuit boards (PCBs).

7. Protection Features: The device includes built-in protection features such as thermal shutdown and short-circuit protection, enhancing its reliability and robustness in various applications.

Applications:

• Operational Amplifier Circuits: The ICL7660CBAZ-T is commonly used in op-amp circuits that require dual supply voltages for proper operation.
• Signal Processing: It is suitable for signal processing applications where negative voltage levels are necessary for signal conditioning.
• Battery-Powered Devices: The low power consumption and compact size make it ideal for portable and battery-operated devices.
• Data Acquisition Systems: The IC can be used in data acquisition systems that require negative voltage references.

Conclusion:

The ICL7660CBAZ-T from Renesas Electronics is a versatile and efficient voltage converter that provides a simple solution for generating negative voltages in a variety of electronic applications. Its compact design, low power consumption, and reliable performance make it a popular choice among engineers and designers looking to optimize their circuit designs.