TLV2765CD

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Velocity Electronics\' TLV2765CD is a dual, low voltage, very low power, rail-to-rail CMOS operational amplifier. It is ideal for use in mobile and battery applications due to its low voltage and power consumption capabilities. This op amp is designed to drive low to moderate capacitive loads and is widely used in a variety of applications, including instrumentation, buffering, and signal conditioning.

Application Field

The TLV2765CD is used in a wide range of products and applications, such as data converters, sample and hold circuits, low-power amplifiers, and portable instrumentation. The chip is specifically designed to drive low to moderate capacitive loads and comparators. It is also widely used in portable medical instruments due to its low power consumption and fast operation. In addition, the device\'s high gain, wide dynamic range, and low distortion make it suitable for biometric authentication, voice authentication, and audio processing applications.

Working Principle

The TLV2765CD is a non-inverting CMOS operational amplifier. It consists of two p-channel and two n-channel transistors, as well as two metal-insulated-silicon-field-effect-transistors (MISFETs). It operates by combining the output from the p-channel and n-channel transistors to create a dual rail-to-rail output. The device has a maximum voltage swing of ±1.8V with a total supply voltage of up to ±5V.

The TLV2765CD is designed to operate with a single +2.5V to +5.5V supply voltage and is also capable of dual supply operation. It has a low input current of 1nA maximum as well as a wide input voltage range of -2.5V to +5.5V. The device features a high gain of 75dB (at 1kHz and with a 5V supply voltage) and a high slew rate of 6V/µs (with a 5V supply voltage).

The output stage of the TLV2765CD combines the output of the p-channel and n-channel transistors to create a rail-to-rail output. The output voltage swing is determined by the current bias generated by the transistor current sources. The output impedance of the device is very low, which allows it to drive moderate loads without significantly reducing the output swing.

The TLV2765CD features a low power consumption of 0.9mW per channel (at 5V supply voltage) as well as a wide operating temperature range of -40°C to +105°C. It is available in small, 8-pin SOIC (Small Outline Integrated Circuit) and DIP (Dual In-line Package) packages for easy mounting and connection.

Conclusion

Velocity Electronics\' TLV2765CD is a dual, low voltage, very low power, rail-to-rail CMOS operational amplifier. It is used in many applications, such as data converters, sample and hold circuits, low-power amplifiers, and portable instrumentation. The device features a high gain of 75dB, a wide dynamic range, and a low power consumption of 0.9mW per channel. It is available in 8-pin SOIC and DIP packages, making it an excellent choice for low-power, easy-to-mount linear applications.

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