MMPQ2222AR1

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The MMPQ2222AR1 is a "dual early effect" bipolar transistor array. It provides two pre-matched low power NPN transistors in a single package. The device is ideal for audio switching, pre-amplifier, and low-noise critical applications where low power and pre-matched performance are required. The design of the device enables it to consume less than two milliamps of current at its most extreme conditions when operating over a wide temperature range.

The device consists of two NPN transistors with their emitters connected together internally. There is also a beta-adjust resistor connected between the emitters and across the collectors of the transistors. This ensures that the two transistors are matched and that their DC current gain (?F) can be adjusted to optimize the performance. The transistors are also internally matched to ensure low noise operation.

The device operates at low voltages and low currents, making it an ideal choice for low power applications. The low quiescent current of the device helps reduce power consumption, which makes it well suited for battery-powered applications. The device is also compatible with MOSFETs and integrated circuits, making it an ideal choice for hybrid applications where high performance and low power are required.

The device has a variety of working principle, depending on the specific application it is used in. In audio applications, the device can be used to switch between two different audio signals, or mix together two signals. In pre-amplifier applications, the device can be used to amplify a signal before it is sent to an audio output device. The device can also be used for switch-mode power supplies, where it can be used to regulate the output voltage. In addition, the device can be used for digital logic switching and multiplexing, as well as for signal filtering.

The device has a maximum operating temperature of 125°C. This makes it ideal for high temperature applications. The device is also rated for a peak current of 28 mA, making it a suitable choice for power applications, such as power supplies and high voltage switching systems.

Overall, the MMPQ2222AR1 is a versatile device that can be used in a variety of applications requiring low power, low noise, and precision current matching. Its wide operating temperature range and low current consumption make it suitable for a variety of low power and battery-powered applications. Its high current rating makes it suitable for power applications, while its pre-matched performance makes it an ideal choice for critical audio and pre-amplifier applications.

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