
( Brand: Intersil ), ( Manufacturer Part Number: ICL7611CCHN7C-18 ), ( Part Type: Amplifier )
The Intersil ICL7611CNH7C-18 is a high-performance, compound-pair, differential amplifier integrated circuit (IC). Designed for use in industrial, instrumentation, and communication applications, this IC offers excellent gain, low noise, and high input impedance.
This amplifier IC comes in a compact SO-8 package, measuring 3.2mm x 3.2mm x 1.1mm. It is suitable for both single-supply and dual-supply power applications, with a power supply range of 5V to 18V. The output can be configured for either single-ended or differential operation, making it versatile for various applications.
The ICL7611CNH7C-18 provides a nominal voltage gain of 100V/mV, with a maximum gain of 120V/mV. It has a typical input offset voltage of 1mV and a typical common-mode rejection ratio (CMRR) of 80dB. The input impedance is extremely high, at 1012 ohms, which helps to minimize loading effects on the input signal.
The IC has a low noise floor, with a typical input voltage noise of 1.2nV/ Hz and a typical output voltage noise of 1.7nV/ Hz. The noise gain is less than 1.5dB, ensuring that the noise contribution from the amplifier is minimal.
The ICL7611CNH7C-18 also features internal overcurrent protection, which helps to protect the IC from damage due to overloading. The IC's power consumption is low, with a typical quiescent current of 1.8mA at 15V, making it an energy-efficient solution for low-power applications.
These 50 pieces of the Intersil ICL7611CNH7C-18 amplifier ICs are ideal for a range of applications, including signal conditioning, instrumentation, and data acquisition. Their high gain, low noise, and high input impedance make them an excellent choice for applications where precise amplification and low distortion are essential.
The Intersil ICL7611CNCHN7C-18 is a dual-channel low voltage audio power amplifier. Here are some pros and cons that might help you make a decision about purchasing this IC:
Pros:1. Low voltage operation: The ICL7611CNCHN7C-18 can operate on power supplies as low as 12V, making it suitable for automotive and portable audio applications.
2. High power output: Each channel of this amplifier can deliver up to 18 watts of continuous power, which is sufficient for driving most speakers.
3. Low quiescent current: This amplifier has a very low quiescent current, which means it consumes very little power when there is no audio signal.
4. Protective features: The IC includes several protective features, such as overcurrent, overvoltage, and thermal protection, which help prevent damage to the amplifier and connected components.
Cons:1. Limited bandwidth: The ICL7611CNCHN7C-18 has a relatively low bandwidth of 10 Hz to 18 kHz. This might not be suitable for applications that require high-frequency response.
2. No short-circuit protection: The amplifier does not have built-in short-circuit protection. This means that if a short circuit occurs, the amplifier could be damaged.
3. Requires external components: This IC requires several external components, such as capacitors, resistors, and diodes, to function properly. These components add to the cost and complexity of the circuit.
Conclusion:The Intersil ICL7611CNCHN7C-18 is a suitable choice for low-voltage audio applications that require moderate power output and protective features. Its low quiescent current and protective features make it an attractive option for automotive and portable audio applications. However, its limited bandwidth and lack of short-circuit protection might be drawbacks for some users.
Recommendation:If you are looking for a low-voltage audio power amplifier with moderate power output and protective features, the Intersil ICL7611CNCHN7C-18 could be a good option for you. However, if you require a higher bandwidth or short-circuit protection, you may want to consider alternative amplifier ICs. Ultimately, the decision depends on the specific requirements of your project.
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